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UNIVERSITEITSBIBLIOTHEEK UTRECHT
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J. Ji, b nbsp;nbsp;nbsp;dor Cibliaiiiek
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WASHINGTON GOVERNMENT PRINTING OEPICEnbsp;1889
E C
J. W. POWELL, DIEECTOE
OR
YOUNGER MESOZOIC FLORA
BX
WILLIAM MORRIS FONTAINE
WASHINGTON GOVEENMENÏ PEINTINamp; OFFICEnbsp;1889
Plate I. Figs. 1-6,8. Equisetum Tirgiüicum. Fig. 7. Equisetuiu Lyelli. 11. Figs. 3-3, G, 7,9. Eqiiisetum Virginicum. Figs. 4, 5. Equisetum Lyelli. Fig. 8. Rhizome of Eqnisetiim, sp. undet. Fig. 10. Equisetum Marylaudicum. Fig. 11. Cladophlebis constricta. III. nbsp;nbsp;nbsp;Fig. 1. Cladophiehis latifolia. Fig. 2. Cladophiehis constricta. Figs. 3-8. Cladoi)blebis Virginiensis. IV. nbsp;nbsp;nbsp;Figs. 3,3-6. Cladophlebis Virgitiiensis.nbsp;Fig. 2. Cladophlebis denticiilata. Fig. 7. Cladophlebis parva. Fig. 8. Cladophlebis falcata. V. nbsp;nbsp;nbsp;Figs. 1-6. Cladophlebis falcata. Fig. 7. Cladophlebis acuta. VI. Figs. 1-3. Cladophlebis parva. Fig. 4. Cladophlebis latifolia. Figs. 5, G. 8-14. Cladophlebis constricta. Fig. 7. Cladophlebis falcata. VII. Figs. 1,2. Cladophlebis falcata. Figs. 3-5. Cladophlebis oblongifolia. Fig. 6. Cladophlebis acuta. Fig. 7. Cladophlebis denticulata. Figs. 8-11. Angiopteridium auriculatum. VIII. Figs. 1-7. Pecopteris Virginiensis. IS. Figs. 1-6. Pecopteris Viiginiensis. Figs. 7-9 Cladophlebis crenata. X. Figs. I, 2. Cladophlebis creuata. Figs. 3,4. Cladophlebis iiiclinata. Figs. 5,8. Cladophlebis, sp. undet. Figs. 6, 7. Cladophlebis acuta. Fig. 9. Asplcnium dubium. XI. Figs. 1-6. Aspidiuni Fredericksburgense. Figs. 7, 8. Cladophlebis acuta. XII. Figs. 1-6. Aspidium Fredericksburgense. XIII. nbsp;nbsp;nbsp;Fig.s. 1-3. Cladophiehis crenata. Figs. 4,5. Cladophlebis distans. Figs. 6-8. Pecopteris strictinervis. Figs. 9,10. Aspidium elUpticum. XIV. nbsp;nbsp;nbsp;Figs. 1-5. Aspidium heteropbjdlum. XV. Figs. 1-5. Aspidium heterophyllura. Fig. 6. Cladopbleois, sp. undet. Fig. 7. Aspidium Virginicum. Fig. 8. Pecopteris ovatodentata. XVI. Figs.l, 3,8. Aspidium angustipinnatum. Fig. 2. Aspidium cystopteroides. Figs. 4,5. Polypodium fadyenioides. Fig. 6. A spleniopteris adiantifolia. Fig.7. Acrostichum crassifolium. Fig. 9. Aspidium FredericksbiirgeDse. Plate XVII. Fig. 1. Aspidium angustipinnatum. Fig. 2. Aspidium macrocarpum. Figs. 3-7. Tbinnfeldia variabilis. XVTII. Figs. 1-6. Tbinnfeldia variabilis. XIX. nbsp;nbsp;nbsp;Fig. 1. Cladophlebis crenata. Fig. 2. Cladophlebis, sp. undet. Fig. 3. Cladophlebis, sp. undet. Fig. 4. Aspidium Oerstedi?. Fig. 5. Cladophlebis alata. Figs. 6,7. Aspidium Fredericksburgense. Fig. 8. Pecopteris naicrodonta. Fig. 9. Pecopteris strictinervis. Fig. 10. Aspidium angustipinnatum, XX. nbsp;nbsp;nbsp;Figs. 1,2,4. Pecopteris constricta. Fig. 3. Pecopteris strictinervis. Figs. 5,11. Pecopteris microdonta. Fig. 6. Cladophlebis crenata. Fig. 7. Cladophlebis, sp. undet. Fig. 8. Cladophlebis inclinata. Figs. 9,10. Cladophlebis rotuudata. XXI. Figs. 1-3. Pecopteris brevipennis. Fig. 4, Cladophlebis spbeuopteroides. Fig. .5. Aspidium oblongifolium. Fig. 6. Aspidium parvifolium. Fig. 7. Pecopteris socialis. Fig. 8. Stenopteris Virginica. Figs. 9,13. Cladophlebis constricta. Fig. 10. Pecopteris angustipenuis. Fig. 11. Gleichenia Nordenskioldi. Fig. 12. Undetermined fern. Fig. 14. Aspidmm Virginicum. Fig. 15. Aspidium pinuatifidum. XXII. Figs. 1-3, 6,7. Aspleniopteris pinnatifida.nbsp;Figs. 4,5. Polypodium dentatum. Fig. 8. Cladophlebis petiolata. Fig. 9. Aspidium Dunkeri. Figs. 10,11. Pecopteris Browniana. Fig. 12. Pecopteris ovatodentata. Fig. 13. Pecopteris strictinervis. XXIII. Fig. 1. Pecopteris ovatodentata. ^ Figs. 2-7. Pecopteris Browniana. XXIV. Fig. 1. Thyrsopteris Virginica. Fig. 2. Pecopteris Virginiensis. Fig. 3. Thyrsopteris elliptica. Figs. 4, 6, 7, 9. Thyrsopteris dentata. Figs. 5,10. Thyrsopteris brevifolia. Fig. 8. Aspidium parvifolium. XXV. Figs. 1,2. Thyrsopteris dentata. Fig. 3. Sphenopteris thyrsopteroides. Figs. 4, 5,16. Thyrsopteris nervosa. Figs. 6, 7,14,15. Aspidium dentatum. |
Plate XXV.
XXVI.
XXVII,
XXVIII,
XXIX.
XXX.
XXXI.
XXXII.
XXXIII.
XXXIV.
XXXV
XXXVI
XXXVII,
XXXVIII,
XXXIX.
XL,
XLI.
i'ig. 8. Cladophiebia inffiquiloba.
Fig.9. Cladoplilebia pachyphylla.
Fig. 10. Aspidium parvifolium.
Figs. 11,12. Aspidium Liiukeri.
Fig. 13. Oamunda spbeuopteroules.
Figs. 1,14,16,17. Aspidium parvifoliiira.
Figs. 2,8,9,18. Aspidium Duukeri.
Figs. 3,13. Pecopteris Browniana.
Figs. 4,5. Pecopteris pacbypbylla.
Figs. 6,7. Tliyrsopteris rarinervis.
Figs. 10-12. Thinnfeldia granulata.
Fig. 15. Cladophlebis, sp. iindet.
Figs. 1-0,8. Thinnfeldia granulata.
Figs, 6,7. Thinnfeldia rotundiloba.
Fig. 10, Sagenopteria latifolia.
Figs. 9,11-17. Sagenopteris elUptica.
Fig. 1. Angiopteridiura auiiculatum.
Figs. 2,4, 6. Scleropteris elliptica.
Figs. 3, 5. Scleropteris Virginica.
Fig. 7. Scleropteris elUptica, var. longifolia. Fig. 1. Scleropteris elliptica.
Fig. 2. Augiopteridium nervosum.
Fig. 3. Angioigt;teridium ellipticnni.
Fig. 4. Angiopteridium dcnsincrve.
Fig. 5. Augiopteridium pachyphyllum.
Figs. 6, 7. Angiopteridium ovatum.
Figs. 8, 9. Angiopteridium strictinerve.
Figs. 1, 5. Angiopteridium strictinerve, var. latifolium.
Figs. 2, 3. Anomozamites angustifolius.
Fig. 4. Anomozamites Virginicus.
Figs. 6,7. Augiopteridium dentatum.
Fig. 8. Platypterigium densiuerve.
Figs. 1,4. Platypterigium densinervo.
Fig. 2. Platypterigium Kogersianum.
Fig. 3. Anomozamites Virginicus.
Figs. 1,2. Platypterigium densinerve.
Fig. I. Platypterigium den3mergt; e.
Fig. 2. Platypterigium Eogersianum.
Fig. 1. Platypterigium deusinei've.
Fig. 2. PlatyiJterigium Kogersianum.
Fig. 3. Tiiyrsopteris brevipennis.
Fig. 4. Spheuopteria acrodentata.
Figs. 1,2. Platypterigium densinerve.
Figs. 3-5. Spbenoptei is latiloba.
Fig. 1. Cladopblebis brevipennis.
Fig. 2. TUyrsopteris brevipennis.
Fig. 3. Thyrsoptcris alata.
Figs. 4-9. Spbenopteiis latiloba.
Fig. 1. Sphenopteris latiloba.
Figs.2,4. Thyrsopteris nervosa.
Figs. 3,9. Thyrsopteris brevipennis.
Figs. 5-8. Thyrsopteris divaricata.
Fig. 1. Thyrsopteris brevipennis.
Figs. 2-4,8. Thyrsopteris Meekiana.
Figs. 5-7, 9. Thyrsopteris Meekiana, var. an* gustiloba.
Figs. 1, 2. Thyrsopteris crenata.
Fig. 3. Thyrsopteris densifolia.
Fig. 4. Thyrsopteris insignis.
Fig. 5. Thyrsopteris nervosa.
Fig. 1. Thyrsopteris insignis.
Figs. 2-5. Thyrsopteris densifolia.
Fig. 6. Thyrsopteris nervosa.
Figs. 1-3. Thyrsoxiteris crassinervis.
Fig. 4. Thyrsopteris br6vii)ennis.
Fig. 5. Osmunda Dicksonioides.
Plate XLI. XLII.
XLIII.
XLIV.
XLV. XL VI.
XLVII.
XLVIII.
XLIX.
LI.
LIL
LIIÏ,
LIV.
LV,
LVI.
Fig. 6. Thyrsopteris insignis.
Figs. 1, 2, 4. Thyrsopteris insignis.
Fig. 3. Thyrsopteris insignis, var. angustipen-nis.
Figs. 1, 3. Thyrsopteris insignis.
Fig. 2. Thyrsopteris insignis, var. augustipen.
lüs.
Figs. 4-6. Thyrsopteris rarinervis.
Fig. 7. Thyrsopteris decurrens.
Fig. 8. Thyrsopteris Meekiana, var. angusti-loba.
Figs, i, 2,5. Thyrsopteris rarinervis.
Fig. 3. Thyrsopteris Meekiana, var. angusti* loba.
Fig. 4. Thyrsopteris angustifolia.
Figs. 1,2,4, 5. Thyrsopteris microphylla.
Fig. 3, Thyrsopteris angustifolia.
Fig. 1. Thyrsopteris elliptica.
Figs. 2,4. Thyrsopteris decurrens.
Figs. 3,5. Thyrsopteris pachyrachis.
Figs. I, 2. Thyrsopteris pachyrachis.
Fig. 3. Thyrsopteris distans.
Fig. 4. Thyrsopteris Meekiana, var. angusti-loba.
Fig. 1. Thyrsopteris Meekiana, var. angusti-loba.
Fig. 2. Thyrsopteris angustifolia.
Figs. 3-5. Thyrsopteris angustiloba.
Fig, 1. Thyrsopteris pachyrachis.
Fig. 2. Thyrsopteris rarinervis.
Figs. 3,4. Thy'raopteris angustifolia.
Figs. 5-7. Thyrsopteris decurrens.
Figs. 1, 2. Sphenopteris Mantelli.
Fig. 3. Thyrsopteris pachyphylla.
Fig. 4. Sphenopteris spatulata.
Fig. 5, Sphenopteris pachyphylla.
Figs. 6, 9. Thyrsopteris elliptica.
Figs. 7, 8. Thyrsopteris Meekiana.
Fig. 1. Thyrsopteris pecopteroides.
Fig. 2. Thyrsopteris piunatifida.
Fig. 3. Thyrsopteris Meekiana.
Figs. 4,6,7. Thyrsopteris elliptica.
Fig. 5. Thyrsopteris densifolia.
Fig. 1. Thyrsopteris heteromorpha.
Figs. 2-4. Thyrsopteris variaus.
Fig. 5. Thyrsopteris rhombifolia.
Figs. 1-3. Thyrsopteris varians.
Fig. 4, Thyrsopteris heteroloba.
Fig. 5. Thyrsopteris bella.
Fig.1. Thyrsopteris rhombifolia.
Figs. 2, 11. Thyrsopteris Meekiana, var. angustiloba.
Figs. 3,9. Aspidium Duukeri.
Figs. 4,5,7, Thyrsopteris pinnatifida.
Fig. 6. Thyrsopteris elliptica.
Fig. 8. Thyrsopteris distans.
Fig. 10. Thyrsopteris varians.
Fig. 1. Thyrsopteris Meekiana, var. angustiloba.
Fig, 2. Thyrsopteris angustifolia.
Fig, 3. Thyrsopteris angustiloba.
Fig. 4. Thyrsopteris elliptica.
Fig. 5. Thyrsopteris microloba, var. alata.
Figs. 6,7. Thyrsopteris bella.
Figs. 1, 3. Thyrsopteris Meekiana, var. angustiloba.
Figs. 2.5. Thyrsopteris bella.
Plate LVI. Figs. 4, 8. Tliyrsopteris uana.
Figs. 0, 7. Thyrsopteris elliptica.
LYII. Figs. 1,5. Tliyraoptoria bella.
Fig. 2. Thyraopteris varians.
Figs. 3, 8. Thyrsopteiïs inaeqtiipinnata.
Fig. 4. Tliyrsopteris microloba.
Fig. 6. Thyrsopteris elliptica.
Fig. 7. Thyrsopteris pinnatifida.
LVIII. Fig. 1. Thyrsopteris microloha, var, alata,
Fig. 2. Thyrsopteris elliptica.
Fig. 3. Thyrsopteris h^terophylla.
Fig. 4. Thyrsopteris bella.
Fig. 5. Sphenopteris thy: sopteroides.
Fig. C. Thyrsopteris sphenopteroides.
Figs. 7,10. Thyrsopteris obtusiloba.
Fig. 8. Thyrsopteris angiistifolia.
Fig. 9. Osmunda Dicksouioides.
LIX. Figs. 1,4,8,9,11. Osinnnda Dicksonioides,
Figs. 2,12. -Ispidinm niicrocarpum.
Fig. 3. Thyrsopteris sqnarrosa.
Fig. 5. Fern frond in ci: cinato vernation.
Figs. Ö, 7. Thyrsopteris rhonibiloba.
Fig. 10. Thyrsopteris retusa.
LX. Figs. 1,3. OsraundaDicksonioides, var.latipen-nis.
Figs. 2, 4, 5,9. Osmxinda Bicksonioides.
Figs. 6, 7. Aspidium raicrocarpum.
Fig. 8. Thyrsopteris rhombiloba.
LXI. Figs. 1,2. Osmunda Dicksonioides.
Fig. 3. Osmunda Dicksonioides, var. latipennis. Figs. 4,5. Ctenopteris insignis.
Fig. 6. Undetermined plant.
Fig. 7. Zamiopsis pinnatifida.
Fig. 8. Zamiopsis longipennis.
LXII. Fig. 1. Ctenopteris iusignis.
Fig. 2. Ctenopteris integrifolia.
Fig. 3. Zamiopsis insignis.
Fig. 4. Ctenopteris Virginiensis.
Fig. 5. Zamiopsis pinnatifida.
LXIII. Figs. 1,2. Ctenopteris insignia.
Figs. 3,4. Scleropteris dcntata.
LXIV. Figs. 1,3. Zamiopsis insignia.
Fig. 2. Zamiopsis pinnatifida.
LXV. Fig. 1. Ctenopteris Virginiensis.
Fig. 2. Ctenopteris angustifolia.
Fig. 3. Ctenopteris integrifolia.
Figs. 4-G. Zamiopsis insignis.
LXVI. Figs. 1,5-8. Zamiopsis loeiuiata.
' nbsp;nbsp;nbsp;Fig. 2. Zamiopsis insignis.
Fig. 3. Zamiopsis ixetiolata.
Fig. 4. O enopteris Virginiensis.
LXVII. Fig.1. Zamites teiuiinervis.
Fig. 2. Zamiopsis pinnatifida.
Fig. 3. Ctenopteris minor,
Fig. 4. Ctenopteris angustifolia.
Fig. 5. Ctenopteris longifolia.
Fig. 6. DioÖnites Buchianns, var. angustifolins. Fig. 7. Zamiopsis insignis.
LXVIII. Fig.1. DioÖnites Bnehianus.
Figs. 2,3. CtenophylUim latifolium.
Fig. 4, DioÖnites Bnehianus, var, angustifolins. Fig. 5. dossozamites distans.
Fig. 6. Podozamites subfalcatus.
LXIX. Figs. 1, 3. DioÖnites Bnehianus. nbsp;nbsp;nbsp;'
Fig. 2. Zamites tenuinervis. nbsp;nbsp;nbsp;j
LXIX. Fig. 4. Zamites crassinervis. nbsp;nbsp;nbsp;|
Plate LXX. Fig. 1. Zamites tenuinervis.
Figs. 2, 3. DioÖnites Bnehianus.
Fig. 4. Enccpkalartopsis nervosa.
Fig. 1. DioÖnites Buchianns.
Fig. 2. DioÖnites Bnehianus, var. augusf.fo-lius.
Figs. 3,4. Encephalartopsis nervosa.
Figs. 1,2. DioÖnites Buchianns,
Figs. 3,4. Encephalartopsis nervosa.
Figs. 1-3. DioÖnites Bnehianus.
Figs. 1-3. Dioüiiitcs Bnchiaiuis.
Fig. 1. Xageiopsis longifolia.
Fig. 2. Xagciopsis rocui vata.
Fig. 3. Zamites tenuinervis. nbsp;nbsp;nbsp;%
Fig. 1. Podozamites pedicellatus.
Figs. 2-6. Xageiopsis longifolia.
Fig. 7. Zamites tenuinervis.
Figs. 1,2. Xageiopsis longifolia.
Fig. 3. Xageiopsis decrescens.
Fig. 4. Xageiopsis ovata.
Fig?. 1-5. Xageiopsis longifolia.
Fig, 0. Zamites tenuinervis.
Fig. 7. Podozamites pedicellatus.
Figs. 1,3. Xageiopsis zaraioides.
Figs. 2,6. Xageiopsis crassicaulis.
Fig. 4. Xageiopsis recurvata.
Fig. rgt;. Podozamites distautmervis.
Fig. 7. Xageiopsis longifolia.
Figs. 1,2,4. Xageiopsis zamioides.
Fig. 3. Xageiopsis recurvata.
Fig. 5. Nageiopsis ovata,
Fig. 6. Podozamites acutifolius.
Figs. 1-G. Nageiopsis zamioides.
Fig. 1, Nageiopsis crassicaulis.
Fig. 2. Podozamites grandifolius.
Fig. 3. Nageiopsis latifolia.
Fig. 4. Podozamites distantinorvis.
Fig. 5. Podozamites pedicellatus.
Figs. 1, 2,6, 7. Podozamites distantinorvis. Fig. 3. Zamites CTassiuorvis.
Fig. 4. Zamites distantinorvis.
Fig. 5. Podozamites grandifolius.
Figs. 1, 2, 8, 10,14,15, Podozamites distanti-nervis.
Figs, 3, 9,11. Nageiopsis crassicaulis.
Fig. 4. Nageiopsis lioterophylla.
Fig. 5. Phyllocladopsis heterophylla.
Fig. 6. Nageiopsis microphylla.
Fig 7. Zamites tenuinervis.
Fig. 12. Zamites ? sp. undet.
Fig. 13. Zamites subfalcatus.
LXXXV. Figs. 1, 2,8, 9. Nageiopsis longifolia.
Fig. 3. Zamites subfalcatus.
Fig. 4. Zamites ovalis.
Fig. 5. Feüdeniopsis crassinervis.
Fig. 0. Nageiopsis inmqiiilatcralis.
Fig. 7. Nageiopsis obtusifolia.
Figs. 10,15. Podozamites acutifolius.
Fig. 11. Nageiopsis acxxniinata.
Figs. 12,16. Podozamites distantiuervis.
Fig. 13. Araucaria obtusifolia.
Fig. 14. Nageiopsis microphylla.
LXXXVI. Figs. 1-3,5. Nageiopsis micropliy 11a,
Fig. 4. Araucaria podocarpoides.
Figs. 6, 7. Nageiopsis hoteropbylla.
Figs. 8, 9. Nageiopsis angustifolia.
LXXII.
LXXIII.
LXXIV,
LXXV.
LXXVI
LXXVIII,
LXXIX.
LXXX,
LXXXI.
LXXXII,
LXXXIII.
LXXXIV.
VIII
|
Plate LXXXVII. Fig. 1. Podozamites acutifolius. Figs. 2-6. Nageiopsis angustifolia. LXXXVIII. Figs. 1,3,4,6-8. Xageiopsis angustifolia. Figs. 2,5. Xageiopsis heterophylla. LXXXIX. Figs. ],3. Baieropsis oxpansa. Fig. 2. Nageiopsis angustifolia. Fig 4. Baieropsis pluripartita. XC. Fig. 1. Baieropsis expansa. Figs. 2-5. Baieropsis pluripartita. Fig. 6. Baieropsis macrophylla. XCI. Figs. 1,3,4,7. Baieropsis pluripartita. Fig. 2. Baieropsis expansa. Fig. 5. Baieropsis iduripartita, var. minor. Fig. 6. Baieropsis longifolia. XCII. Figs. 1,2,6. Baieropsis pluripartita. Figs. 3, 4. Baieropsis pluripartita, var, minor. Fig. 5. Baieropsis expansa Fig. 7. Baieropsis denticulata, var. angustifolia. Figs. 8,9. Baieropsis acliantifolia. XCIII. Figs. 1-3. Baieropsis adiantifolia. Figs. 4-6. Baieropsis foliosa. Fig. 7. Baieropsis denticulata. XCIV. Fig. 1, Baieropsis adiantifolia, var. minor. Figs. 2, 3. Baieropsis adiantifolia. Fig. 4. Acrostichopteris densifolia. Figs. 5, 9, 10, 12. Acrostichopteris par-vifolia. Figs. 6,7,11,14. Acrostichopteris parcte-lohata. Fig. 8. Acrostichopteris cyclopteroides. Fig. 13. Baiera multifoUa. XCV. Figs. 1-5. Freuelopsis raniosissima. XCVI. Figs. 1-3. Freuelopsis ramosissima.nbsp;XCVII. Figs. 1-6. Freuelopsis ramosissima.nbsp;XCVIII. Figs. 1-6. Freuelopsis ramosissima.nbsp;XerX. Figs. 1-4. Freuelopsis ramosissima. C. Figs. 1-3. Fronclopsis ramosissima. Fig. 4. Brachyphyllum crassicaule. Cl. Fig. 1. Freuelopsis ramosissima. Figs. 2, 3. Leptostrohus longifolius. Fig. 4. Leptostrohus foliosus. GII. Figs. 1-4. Leptostrohus longifolius. Figs. 5,6. Laricopsis hrevifolia. Figs. 7,8. Laricopsis longifolia. Figs. 9,10. Laricopsis angustifolia. cm. Figs, 1, 4. Laricopsis angustifolia. Figs. 2, 3. Laricopsis longifolia. Fig. 5. Leptostrohus foliosus. Figs. 6-12. Leptostrohus longifolius. CIV. Fig. 1. Leptostrohus foliosus. Figs. 2,3. Cephalotaxopsis ramosus. Figs. 4, 5. Cephalotaxopsis magnifolia.nbsp;Fig. 6. Leptostrohus longifolius. CY. Figs. 1,2,4. Cephalotaxopsis magnifolia. Fig. 3. Cephalotaxopsis hrevifolia. CVI. Figs. 1,3. Cephalotaxopsis magnifolia. Figs. 2,4. Cephalotaxopsis ramosa. Fig. 5. Cephalotaxopsis hrevifolia. evil. Figs. 1,2,4. Cephalotaxopsis magnifolia.nbsp;Fig. 3. Cephalotaxopsis ramosa. Fig. 5. Cephalotaxopsis hrevifolia. CVIII. Figs. 1,3, 4. Cephalotaxopsis magnifolia.nbsp;Fig. 2, Cephalotaxopsis ramosa. |
Plate CVIII. Fig. 5. Cephalotaxopsis microphylla. CIX. Figs. 1-7. Brachyphyllum crassicaule. Fig. 8. Torreya Virginica. Fig. 9. Cephalotaxopsis microphylla. CX. Figs. 1-3. Brachyphyllum crassicaule. Fig. 4. Brachyphyllum parcerainosum. CXI. Figs. 1-5. Freuelopsis parceramosa. Figs. 6, 7. Brachyphyllum crassicaule. CXII. Figs. 1-5. Frenelopsis parceramosa. Figs. 6-8. Brachyphyllum crassicaule. Figs. 9-11. Sequoia cycadopsis. CXIII. Figs. 1-3. Sequoia cycadopsis. Fig. 4. Torreya falcata. Figs. 5,6. Athrotaxopsis expansa. CXIV, Figs. 1-3. Athrotaxopsis grandis. Figs. 4,5. Athrotaxopsis teniiicaulis. CXV. Figs. 1,3. Athrotaxopsis pachyphylla. Fig. 2. Athrotaxopsis expansa. Fig. 4. Athrotaxopsis tenuicaulis-CXVL Figs. 1-4, Athrotaxopsis grandis. Fig. 5. Athrotaxopsis expansa. Fig. 6. Athrotaxopsis tenuicaulis. Fig 7. Sequoia, sp. undet. CXVII. Figs. 1.3-5. Athrotaxopsis pachyphylla. Fig. 2. Athrotaxopsis tenuicaulis. Fig. 6. Athrotaxopsis expansa. Fig. 7. Sequoia suhulata. Fig. 8. Sequoia Boichenbachi, var. longifolia. CXVIII. Figs. 1,4. Sequoia Beichenbachi. Fig. 2. Sequoia ambigua. Fig. 3. Sequoia rigida. Figs. 5,6. Sequoia suhulata. Fig. 7. Sphenolepidium Sternhergianum, var. densifoliuni. CXIX. Figs. 1-5, Sequoia Reichenhachi. CXX. Figs. 1-6. Sequoia ambigua. Figs. 7,8. Sequoia BeichenhacM. Fig. 9. Sequoia, sp. undet. CXXI. Fig. 1. Araucaria zamioides. Fig. 2. Sequoia rigida. Fig. 3. Sequoia delicatula. Fig. 4. Sequoia densifolia. Figs. 5,7, 9. Sphenolepidium Sternhergianum, var. densifoliuni. Fig, G. Taxodium (Glyptostrobus) Virgin!-cum. Figs. 8, 10, 11. , Sphenolepidium Sternberg-ianura. CXXII. Fig. 1. Taxodium (Glyptostrobus) Brookense. Fig, 2. Sequoia Beichenbachi. CXXIIL Fig. 1. Taxodium (Glyptostrobus) expansum. Figs. 2, 3, Taxodium (Glyptostrobus) ramo-sum. eXXIV. Fig. 1. Taxodium (Glyptostrobus) dcntieula-tum. Fig. 2. Taxodium (Glyptostrobus) ramosum. Figs. 3-9. Taxodium (Glyptostrobus) Brook-ciise. eXXV. Figs. 1,3. Taxodium (Glyptostrobus) fastigi atum. Fig. 2. Sphenolepidium Sternbergianum, var, densifoliuni. Fig. 4, Sphenolepidium Virginicura. eXXVI. Figs. 1, 5, 6. Sphenolepidium Kurrianiim. Fig. 2. Sequoia rigida. Figs. 3,4. Sequoia gracilis. CXXVII. Fig. 1. Taxodium (Glyptostrobus) lamosum. |
Plate CXXVII. Pig. 2. Sphcnolepidium recurvifolium.
Figs. 3,4. Splienolepidium dentilblium.
Fig. 5. Sequoia ambigua.
CXXVIII. Figs. 1, 7. Splienolepidium Kurrianum.
Figs. 2-6. Splienolepidium dentitblium. CXXIX. Figs. 1, 2, 4, 6, 8. Sphenolepidiuiu Elurri*nbsp;anuin.
Fig. 3. Sphenolepidium Steriibergianuin, var. densifolium.
Fig. 5. Spbenolepidium dentifolium.
Fig. 7. Spbenolepidium parceraraosum. CXXX. Fig. 1. Spbenolepidium Sternbergianum,nbsp;var. densifolium.
Figs. 2, 7. Spbenolepidium recurvifolium. Fig. 3. Sequoia rigida.
Figs. 4-6,10. Spbenolepidium dentifolium. Fig. 8. Spbenolepidium parceramosum.
Fig. 9. Spbenolepidium Sternbergianum. Fig. 11. Spbenolepidium Kuniaiium.nbsp;CXXXI. Figs. 1,3. SpbenolepidiumSternbergianum,nbsp;var. densifolium.
Fig. 2. Siibenolepidium parceramosum.
Fig. 4. Spbenolepidium Kurrianum.
Fig. 5. Taxodium (Glyptostrobus) Brook-ense.
Figs. 6, 7. Sphenolepidium pacbypbyllum. CXXXII. Fig. 1. Taxodium (Glyptostrobus) ramo-sum.
Figs. 2,5,6. Sequoia, sp.undet.
Fig. 3. Sequoia ambigua.
Fig. 4. Spbenolepidium Sternbergianum, var. densifolium.
Fig. 7. Abietites macrocarpus.
Figs. 8,9. Abietites ellipticus.
Fig. 10. Sequoia, sp. undet.
CXXXIII. Fig. 1. Abietites angusticarpus.
Figs. 2-4. Abietites ellipticus.
Figs. 5-7. Williamsonia Virginiensis.
Figs. 8-12. Araucarites Aquiensis. CXXXIV. Fig. 1. Carpolithus fasciculatus.
Figs. 2-4,6,8. Carpolithus ternatus.
Fig. 5. Carpolithus agglomeratus.
Fig. 7. Araucarites Virgiuicus.
Fig. 9. Carpolithus conjugatus.
Fig. 10. Carpolithus geminatus.
Figs. 11-14. Carpolithus Virginiensis. CXXXV. Figs. 1,5. Carpolithus Virginiensis.
Figs. 2,4, Carpolithus Brookeusis.
Fig. 3. Carpolithus latus.
Fig. 6. Leptostrobus, sp. undet.
Fig. 7. Ament of conifer.
Fig. 8. Bracbypbyllum, sp. undet.
Fig. 9. Bracbypbyllum, sp. undet.
Fig. 10. Atbrotaxopsis grandis.
Figs. 11.21. Cycadeospermum spatulatum. Fig. 12. Cycadeospermum acutum.
Fig. 13. Cycadeospermum obovatum.
Fig. 14. Capsules, sp. undet.
Figs. 15,18,22. Atbrotaxopsis oxpausa.
Fig. 16. Ament of angiosperm ?.
F'ig. 17. Carpolithus curvatus.
Fig. 19. Cycadeospermum ellipticum.
Fig. 20. Cycadeospermum augustum. CXXXVI. Fig. 1. Macrospores, sp. undet.
Figs. 2-5, 8. Aments of conifers, sp. undet. Fig. 6. Carpolithus Brookensis.
Fig. 7. Pollen sacs, sp. undet.
Plate CXXXVI. Fig. 9. Carpolithus sessills.
Figs. 10,11. Leptostrobus, sp. undet.
Fig. 12. Cycadeospermum rotundatum. Figs. 13,14. Undetermined plants.
Fig. 15. Carpolithus mucronatus. CXXXVII. Figs. 1-5. Undoteriiniied plants.
Fig. 6. Acaciaipbyllum longifoliuin. CXXXVIII. Figs. 1-3. Acaciiepliyllum longifoliuin.
Figs. 4, 6-9. AcacitUpliyllum spatulatum* Fig. 5. Acaciiepliyllum niicropliyllum.nbsp;Figs. 10-12. Cteiiis imbricata.
Fig. 13. Sagenopteris Virginiensis.
Fig. 14. Conospermites ellipticus. CXXXIX. Fig. 1. Sagenopteris Virginiensis.
Fig. 2. Protempbyllum, sp. undet.
Fig. 3. Protecepbyllum reniforme.
Fig. 4. Proteiephyllum orbiculare.
Fig. 5. Proteaiphyllum oblougifolium.
Fig. 6. Eogersia lougifolia.
Fig. 7. Sassafras parvifolium.
Figs. 1. 2. Protcfcphyllum oblougifolium. Fig. 3. FicopUyllum tenuinerve.
Fig. 1. Protempliyllum ovatum.
Fig. 2. FicopbyUnm tenuinerve.
Figs. 1,2. Protempliyllum ellipticum.
Figs. 1,3. Ficus Virginiensis.
Fig. 2. Rogersia angustifolia.
Fig.]. Ficus Virginiensis.
Fig. 2. Rogersia longifolia.
Fig. 3. Ficophyllura crassinerve.
Figs. 1,4. Ficophyllura tenuinerve.
Fig. 2. Ficopliyllum serratum.
Fig. S. Ficophyllura crassinerve.
Fig. 1. Ficophyllura crassinerve.
Figs. 2,4. Salicipbylluin ellipticum.
Fig. 3. Celastropbyllam arcinerve.
Fig. 5. Celastrophyllum proteoides.
Fig. 1. Sapindopsis cordata.
Fig. 2. Ficophyllura tenuinerve.
Fig. 3. Sapindopsis elliptica.
Fig. 4. Ficopbyllum crassinerve.
Figs. 1,2,4. Ficopbyllum crassinerve.
Figs. 3,5, Ficus Fredericksburgensis.
Figs. 1,3, 5. Ficopbyllum tenuinerve.
Fig. 2. Pbyllites pacbypbj Hus.
Figs. 4,8. Rogersia angustifolia.
Figs. 6,7. Quercopbylluiu tenuinerve.
Fig. 9. Ficopbyllum serratum.
CL. Fig. 1. Rogersia longifolia.
Figs. 2-7. Rogersia angustifolia.
Fig. 8. Saliciphyllum ellipticum.
Figs. 9, 10. Vitiphyllum (Cissites) crassi* folium.
Fig. 11. Myrica Brookensis.
Fig. 12. Saliciphyllum longifolium.
Fig. 13. Proteiepbyllum tenuinerve.
CLI. Fig. 1. Sapindopsis variabilis.
Figs. 2, 3. Sapindopsis magnifolia.
Fig. 4. Bombax Virginiensis-CLII. Figs. 1,4. Sapindopsis variabilis.
Figs. 2,3. Sapindopsis magnifolia.
Fig. 5. Sassafras cretaceum, var. heterolo-bum.
CLIII. Fig. 1. Sapindopsis tenuinervis.
Fig. 2. Sapindopsis magnifolia.
Fig. 3. Sapindopsis variabilis.
Fig. 4. Sapindopsis brevifolia.
CXL.
CXLI.
CXLTI.
CXLIII,
CXLIV.
CXLV.
CXLVI,
CXLVII.
CXLVIIT.
CXLIX.
CLXI. CLXII. CLXIII. Plate CLIV. Figs. 1,5. Sapindopsis itiagnifolia. Figs. 2-4. Sapindopsi.s variabilis. Fig. 6. Sapindopsis parvifolia. CLV. Figs. 1, 7. Sapindopsis brevifolia. Figs. 2-5. Sapindopsis variabilis. Fig. 6. Sapindopsis magnifolia. Fig. 8. ¦Crimiph3dlum Brookense. Fig. 9. Populophjllum reniforme. CLVI. Fig. 1. Ficophyllum tenuinerve. Fig. 2. Protesepbyllum tenuinerve. Fig. 3. Populophyllum reniforme. Fig. 4. Protemptiyllum reniforme. Fig. 5. Oelastropliyllum obtusidens. Fig. 6. MjTacse.phyUnm dentatma. Fig. 7. Protetephyllam dentatum. Fig. 8. Celastropbyllum acutidens. Fig. 9. Quercophylium grossedentatum. Fig. 10. Myrica Brookensis. Fig. 11. Araliaepbyllum aceroides. Fig. 12. Sa.ssafras bilobatum. Fig. 13. Sapindopsis obtuaifolia. CLTII. Figs. 1, 7. Aralia dubia. Fig. 2. Sterculia elegans. Figs. 3, 5,6. Juglandipliyllura integrifolium. Fig. 4. Ficophyllum crasainerve. CLVIII. Fig. 1. Ulniiphyllum tenuinerve. Figs. 2, 3. Sterculia elegans. Fig. 4. Populophyllum crassinerve. Fig. 5. Platanophjdlnm crassinerve. Figs. 6, 7. Ulmii)byllura cras.sinerve. Fig. 8. Celastrophylliim Brookonse. CLIX. Figs. 1,2. Rogersia loiigifolia. Figs. 3-6. Sapindopsis obtusifolia. Fig. 7. Gelastrophyllum Brookonse. Fig. 8. Sassafras crelaceum.var. beterolobura. Figs. 9,10. Araliaapbyllum magnifoUum.nbsp;CLX. Figs. 1,2. Protesephyllum reniforme. Figs. 3-6. ATistolochiajplijllum crassinerve. Figs. 1,2. Menisi)ormites Virginiensis. Fig. 1. Hedersepliidlum angiilatum. Fig. 2. Aralia3j)l)3lluni aceroides. Fig. 3. Hederaiphyllurn crenulatum. Fig. 4. Eucalyptophyllnm oblongifolium. . Figs. 1,4. Araliiephylium obtusilobum. Fig. 2. Araliaepliylluni acutilobum. Fig. 3. Sapindopsis brevifolia. Fig. 5. Saliciph.yllum ellipticum. Fig. 6. Hymenma Virginiensis. big. 7. TJlmiphyllum Brookense. Fig. 8. Aceiijihyllum aralioides. OLXIV. Figs. 1, 2. Ficopliyllum eucalyptoides. Fig. 3. Arali®phyllum obtusilobnm. Fig. 4. Sassafras bilobatum. Fig. 5. Sassafras cretaceunj,var. hetei'olobnnj. CLXV. Figs. 1-3. Taxodiuni (dlyptostrobus) Brookense. Fig. 4. Laricopsis lougifolia. Fig. 5. IVilliamaoiiia Virginiensis. Fig. 6. Loptostxobus luultitlorus. CLXVI. Fig 1. Taxodiuni (G-lyptostrobus) ramosum. Fig. 2. Salicipbyllum ellipticum. Fig. 3. Populophyllum b« derasforme. Figs. 4,7. Taxodium (Glyptostrobus) Brook- |
Plate CLXVI. Fig. 5. Cladoplilebis acuta. Fig. 6. Sphenolepidium Virgiuicum. CLXVII. Fig. 1. Taxodium (Glyi)to.strobua) Brookense, var. angiistifoUum. Fig. 2. Sphenolepidium Kurriauum. Fig. 3. Taxodium (Glyptostrobus) Brookense. Fig. 4. Pbyllodadopsia beteropbylla. Fig. 5. Sequoia Ueichenbachi. Fig. 6. Carpolitbus Brookensis. GLXVIII. Fig. 1. Frenelopsis parceramosa. Fig.2. Bracbyphyllura, siuuiidet. Fig. 3. Dioouites Buchiauus, var. obtusi-folius. Fig. 4. Nageiopsis subfalcata. Figs. 5, 6. Laricopsis lougifolia. Fig. 7. Carpolitbus Virginiensis. Fig. 8. Abietites ellipticus. Fig. 9. Bracbyphyllum crassicaule. CLXIX. Fig. 1. Thinnfeldia grauulata. Fig. 2. Cladoplilebis constricta. Fig. 3. Pecopteris VirginiensLs. Figs. 4, 5, 9. Undetermined stems. Figs. 6,7. Thyrsopteris rarinervis. Fig. 8. CalUtris, ap. uudet. Fig. 10. Gelastrophyllum denticulatum. CLXX. Fig. 1. Thyrsopteris divaricata. Fig. 2. Podozamites acutifolius. Fig. 3. Zamites ovalis. Fig. 4. Pinus, sp. imdet. Figs. 5,6. Pecopteris strictinervis. Fig. 7. Acacisepbyllum variabile. Fig. 8. Rhizome of Equisetum, sp. undet. Fig. 9. Podozamites subfalcatua. Fig.TO. Acrostichopteris longipennis. Fig. 11. Acrostichopteris deusifolia. CLXXI. Figs. 1, 5, 7. Acrostichopteris longijiennis.nbsp;Figs. 2. 6. Acrostichoiiteris deusifolia. Figs. 3,4. Acrostichopteris parvifolia. CLXXII. Figs. 1,4. Protea^phyllum dentatum. E'ig. 2. Gelastrophyllum tenuinerve. Ii'ig8.3, 6. Cl lastrophyllum latifolium. Fig. 5. Saliciphyllum parvifolium. E'ig. 7. Celastroph^dlum denticulatum. Fig. 8. Menispermites tenuinervis. E'igs. 9,10. Gelastrophyllum obovatum. Figs. 11,12. Vitiphyllum (Ciasites) parvifo. lium. Fig. 13. Acrostichopteris deusifolia. Fig. 14. Aci'oslicbopteris parvifolia. GLXXIII. Figs. 1-9. Vitiphyllum (Ciasites) multifl-dum. GLXXIII. Fig. 10. Ficophyllum crassinerve. Fig. 11. Undetermined plant. E'igs. 12,14. Proteaiphyllnm deutatum. Fig. 13. Celastrophjdlum latifolium. CLXXIV. Tysonia Marylandica. CLXXV. Tysonia Marylandica. CLXXVl. Tysonia Maiylandiea. CLXXVII. Tysonia Marylandica. CLXXVIII. Tysonia Marylandica. CLXXIX. Tysonia Marylandica. CLXXX. Ty^sonia Marylandica. |
PLATES.
PLATE I,
Page.
Figs. 1-6, 8. Eqüisetum Virginicum, sp. nov.............................................. 63
1. nbsp;nbsp;nbsp;Much-branched form of average dimensions.................................... 63
1. Magnified portion, to show normal form of teeth............................... 63
I'. Magnified portion, to show a blunter form of teeth............................. 63
1'=. Is 1 still more magnified and more diverging at the summit than the normal form. nbsp;nbsp;nbsp;63
2. nbsp;nbsp;nbsp;One of the smallest branches seen.............................................. 63
3. nbsp;nbsp;nbsp;Three branches, probably primary, with many secondary ones.................. 63
4. nbsp;nbsp;nbsp;Several large primary ? branches.............................................. 63
5. nbsp;nbsp;nbsp;Primary ? branch, with a branching secondary ?................................ 63
6. nbsp;nbsp;nbsp;Profusely branching secondary? branch........................................ 63
8. Form showing curious and copious branching.................................. 63
Fig. 7. Equisetum Lyelli Mantell................................................... 65
7. nbsp;nbsp;nbsp;Probably E. Lyelli Mantell, partially decorticated............................ 65
Ur S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE f
MOSS ENQ. CO., N. Y,
PLATE II.
Page.
Figs. 1-3, 6, 7, 9. Eqgisetum Virginioum, sp. nov......................................... 63
1, nbsp;nbsp;nbsp;3. Apparently portions of the main stein, showing six teeth.................. _ 63
2, nbsp;nbsp;nbsp;9. Apparently portions of rhizomes, with imperfect buds..................... 63
6. nbsp;nbsp;nbsp;Large, much-branched primary ? branch- ................................ 63
7. nbsp;nbsp;nbsp;Distorted irregularly branching form...................................... 63
Fig. nbsp;nbsp;nbsp;4, 5. Equisetum Lyelli Man tell............................................... 65
4. nbsp;nbsp;nbsp;Fragment of a small stem................................................ 65
5. nbsp;nbsp;nbsp;Several fragments prohahly of the same plant.............................. 65
8. nbsp;nbsp;nbsp;Ehizome ? of undetermined Equisetum..................................... 65
8. Portion of 8 magnified.................................................... 65
Fig. nbsp;nbsp;nbsp;10. Equisetum Marylandicum, sp. nov...................................... 65
10. nbsp;nbsp;nbsp;Portion of a branching stem.............................................. 65
10. Portion of a branch magnified to show the sheath.......................... 65
Fig. nbsp;nbsp;nbsp;11. Cladophlebis constricta, sp. nov....................................... 68
11. nbsp;nbsp;nbsp;Probably the upper part of the frond...................................... 68
11. Pinna from the lower part of the specimen, magnified to show details of nervation.....................................-........................... 68
11'. Magnified pinna or pinnule from the upper portion of the specimen......7.. nbsp;nbsp;nbsp;68
PLATE III.
Page.
Pig. 1. Cladopiilebis latifolia, sp. nov................................................ 69
1. nbsp;nbsp;nbsp;Upper part of a frond or comjjomul pinna......................................... 69
1. Pinnule from the lower i)arfc of 1 magnilied to nbsp;nbsp;nbsp;show nervation...................... 69
1gt;gt;. Pinnule from the upper part of 1 magnified to show nervation.................... 69
Pig. 2. Cladophlebis constricta, sp. nov.............................................. 68
2. nbsp;nbsp;nbsp;Portion of a compound pinna..................................................... 68
Pigs. 3-8. Cladophlebis Virginiehsis, sp. nov............................................. 70
3. nbsp;nbsp;nbsp;Pragment of a large compound pinna or of the froud............................... 70
4. nbsp;nbsp;nbsp;Portion of an ultimate pinna..................................................... 70
4. Pinnule of 4 magnified to show nervation......................................... 70
5. nbsp;nbsp;nbsp;Pragment of a pinna with opposite pinnules...................................... 70
Pinnule of 5 magnified to show nervation......................................... 70
6. nbsp;nbsp;nbsp;Portion of a compound pinna? with short pinnules................................ 70
7. nbsp;nbsp;nbsp;Pragment of a pinna with somewhat abnormal pinnules........................... 70
7. Pinnule of 7 magnified........................................................... 70
8. nbsp;nbsp;nbsp;Pragment of a pinna with much-branched nerves................................. 70
8. Pinnule of 8 magnified to show nervation......................................... 70
U. S. GEOLOGICAL SURVEY
f-JONOGRAPH XV PLATE I
MON XV-25
Page.
Figs. 1,3-6. Gladophlebis Vikginiensis, sp. nov........................................... 70
1. nbsp;nbsp;nbsp;Small form, probably from the upper part of the frond.......................... 70
1. Pinnule of 1 magnified to show nervation...................................... 70
3. nbsp;nbsp;nbsp;Abnormal form, possibly not C. ViKGiNlBNSis ................................... 70
3. Portion of 3 magnified...................................................... 70
4. nbsp;nbsp;nbsp;Portion of an ultimate pinna with obtuse pinnules and a rachis with marginal
ridges....................................................................... 70
4. Pinnules from the lower part of 4, magnified................................... 70
4'gt;. Pinnules from the upper part of 4, magnified................................... 70
3,5,6. Portions of pinnae with undulate pinnules...................................... 70
Fig. nbsp;nbsp;nbsp;2.nbsp;nbsp;nbsp;nbsp;Cladophlkbisnbsp;nbsp;nbsp;nbsp;denticulata, sp.nbsp;nbsp;nbsp;nbsp;nov.......................................... 71
2. nbsp;nbsp;nbsp;Fragments of two pinnae....................................................... 71
2. Piuuule of 2 magnified to show nervation....................................... 71
Fig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;Cladophlebisnbsp;nbsp;nbsp;nbsp;parva, sp. nov................................................. 73
7. nbsp;nbsp;nbsp;Probably the upper portion of a compound pinna............................... 73
7. Pinnule of 7 magnified........................................................ 73
Pha. nbsp;nbsp;nbsp;8.nbsp;nbsp;nbsp;nbsp;Cladopheebisnbsp;nbsp;nbsp;nbsp;palcata, sp. nov............................................... 72
8. nbsp;nbsp;nbsp;Portion of an ultimate pinna with undulate margins ........................... 72
8. Pinnule of 8 magnified......... 72
U. g. 6ÈÓLÓG1CAL gURVÊY
PLATE Y,
Page.
Figs. 1-6. Cladophlebis eaixjata, sp. dov................................................. 72
1. nbsp;nbsp;nbsp;Portion of the frond or of a compound pinna...................................... 72
1''\ Pinnule of 1 magnified to show nervation____,................................... 72
2. nbsp;nbsp;nbsp;Terminal portion of an ultimate pinna...................................i........ 72
3. nbsp;nbsp;nbsp;Pinnules with undulate margins, probably from the upper part of the frond........ 72
4. nbsp;nbsp;nbsp;Similar to 3...................................................................... 72
4. Pinnule of 4 magnified to show nervation......................................... 72
5. nbsp;nbsp;nbsp;Tip of an ultimate pinna with obtuse pinnules; possibly this is a different plant---- nbsp;nbsp;nbsp;72
5®. Pinnule of 5 magnified to show nervation......................................... 72
6. nbsp;nbsp;nbsp;Fragment of a pinnule. .......................................................... 72
6. Fragment 6 magnified to show nervation......................................... 72
Fig. 7. Cladophlebis acuta, sp. nov........... 74
7. nbsp;nbsp;nbsp;Ultimate pinna with unusually large pinnules...............-.................... 74
7. Pinnule of 7 magnified to show nervation......................................... 74
vt. 5;'- i , nbsp;nbsp;nbsp;¦-1- . -/nbsp;nbsp;nbsp;nbsp;''¦'¦ 'nbsp;nbsp;nbsp;nbsp;*nbsp;nbsp;nbsp;nbsp;quot;^«iiV'-¦'V-.'-lt;gt;4*5?^ gt; ¦. _.i'lt;wlt;«ai!is2li4Sbsa3i''''*SiJ.vife*wilt;nbsp;nbsp;nbsp;nbsp;'*
quot;¦ .quot;' -i r,gt;-. \'i^inbsp;^t\-. 'S-' ^
.ï
iSi
vr ,irl^ *^1.
, * ^ 4
¦ i---
'- *¦
vs^svv nbsp;nbsp;nbsp;i
¦: ¦ ¦' V-»***nbsp;nbsp;nbsp;nbsp;L' '».nbsp;nbsp;nbsp;nbsp;*nbsp;nbsp;nbsp;nbsp;' V quot; *
sH»quot;
' nbsp;nbsp;nbsp;'* -nbsp;nbsp;nbsp;nbsp;' :- ~ *'ft^T-rtr'--------
'¦-: nbsp;nbsp;nbsp;,rnbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;.*'s\nbsp;nbsp;nbsp;nbsp;.Vs,-nbsp;nbsp;nbsp;nbsp;-^-nbsp;nbsp;nbsp;nbsp;^
' i . ^''^Si Z'
t gt;': nbsp;nbsp;nbsp;-¦gt;
H-
ï T
¦ * ..V nbsp;nbsp;nbsp;- '.*,»
¦ -- nbsp;nbsp;nbsp;' ¦quot;quot;r\.-''-' ¦ J«''. -'4nbsp;nbsp;nbsp;nbsp;'^nbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;--fVr''J'--¦7.;7-4'
PLATE YI.
Page.
Pigs. nbsp;nbsp;nbsp;1-3. Cladophlebis pakva, sp. nov............................................. 73
1. nbsp;nbsp;nbsp;Upper part of a compound pinna or of the frond........................... 73
I''. Portion of 1 magnified to show nervation................................... 73
2. nbsp;nbsp;nbsp;Probably a portion of the middle part of a compound pinna or of the frond .nbsp;nbsp;nbsp;nbsp;73
2. Pinnules of 2 magnified to show nervation.................................. 73
3. nbsp;nbsp;nbsp;Largest fragment seen, probably a componudnbsp;nbsp;nbsp;nbsp;pinna......................... 73
3. Pinnules of 3 magnified to show nervation.......*......................... 73
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Cladophlebis latifolia, sp. nov............................. 69
4. nbsp;nbsp;nbsp;Probably a portion from the summit of the frond or of a compound pinna____ nbsp;nbsp;nbsp;69
Figs. 5,6,8-14. Cladophlebis cohstricta, sp. nov........................................ 68
5. nbsp;nbsp;nbsp;Pinna or pinnule with undulate margins from near the summit of the froud
or of a compound pinna.................................................. 68
5. Pinna5 magnified to show nervation....................................... 68
6. nbsp;nbsp;nbsp;Upper part of the frond or of a compound pinna............................ 68
6. Pinnules of 6 magnified to show nervation............... 68
8. nbsp;nbsp;nbsp;Summit of an ultimate pinna.............................................. 68
8. Pinnule of 8 magnified to show nervation...................;.............. 68
9. nbsp;nbsp;nbsp;Abnormal pinnules unusually remote ; possibly a difi^erent plant............ 68
9. Pinnule of 9 magnified to show nervation.................................. 68
10. nbsp;nbsp;nbsp;Summit of the frond or of a compound pinna............................... 68
11. nbsp;nbsp;nbsp;Upper portion of a comparatively large compound pinna or of thenbsp;nbsp;nbsp;nbsp;frond____ nbsp;nbsp;nbsp;68
11. Pinnules from the lower part of 11......................................... 68
11'. Pinnules from the upper part of 11 magnified to show nervation............ 68
12,13,14. Somew'hat abnormal forms; pos-sibly representing a difi'erent plant nbsp;nbsp;nbsp;from 11..nbsp;nbsp;nbsp;nbsp;68
Fig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;Cladophlebis palcata, sp. nov.......................................... 72
7. nbsp;nbsp;nbsp;Pinna with pinnules of the largest size..................................... 72
7. Portion of a pinnule of 7 magnified to show nervation...................... 72
PLATE VII
PLATE VII.
Pago.
Figs. 1,2. Cladophlebis falcata, sp. nov................................................
1. nbsp;nbsp;nbsp;Ultimate piuua witli large and very obtuse pinuules, probably from the upper
part of the frond.............................................................. 72
1. Pinnule of 1 magnified to show nervation....................................... 72
2. nbsp;nbsp;nbsp;Probably a portion of a compound pinna, with somewhat abnormal pinnules; pos
sibly a distinct species........................................................ 72
2. Pinnule of 2 magnified to show nervation....................................... 72
Figs. 3-5. Cladophlebis oblongifolia, sp. nov.......................................... 74
3. nbsp;nbsp;nbsp;Ultimate pinna with entire pinnules............................................. 74
3. Pinnule of 3 slightly magnified to show nervation............................... 74
4. nbsp;nbsp;nbsp;Pinnules of form from Fredericksburg slightly magnified......................... 74
5. nbsp;nbsp;nbsp;Pinna with crenulate pinnules.................................................. 74
5. Portion of a pinnule of 5 magnified to show nervation........................... 74
Fig. nbsp;nbsp;nbsp;6. Cladophlebis acdta, sp. nov.................................................. 74
6. nbsp;nbsp;nbsp;Portion of an ultimate pinna.................................................. 74
fi. nbsp;nbsp;nbsp;Pinnule of 6 magnified to show nervation........................................ 74
Fig. nbsp;nbsp;nbsp;7. Cladophlebis denticulata, sp. nov........................................... 71
7. nbsp;nbsp;nbsp;Portion of an ultimate pinna................................................... 71
7. nbsp;nbsp;nbsp;Pinnule of 7 magnified to shownbsp;nbsp;nbsp;nbsp;nervation .. ..................... 71
Figs. 8-11. Angiopteridium adricülattjm, sp. nov........................................ 113
8. nbsp;nbsp;nbsp;Probably a portion of a compound pinna____,................ 113
9. nbsp;nbsp;nbsp;Probably a portion of a compound pinna .showing keeled rachis.................. 113
10. nbsp;nbsp;nbsp;Portion of a pinnule............................................................ 113
101. Nerves from the lower part of 10 magnified...................................... 113
-10^ Nerves from the upper part of 10 magnified..................................... 113
11. nbsp;nbsp;nbsp;Portion of a pinnule showing nerves........................................... 113
PLATE VIII.
Page.
Figs. 1-7. Pecopteris Virginiensis, sp. nov............................................... S-i
1. nbsp;nbsp;nbsp;Pinna with unusually long pinnules, from Fredericksburg......................... 8^
la. Pinnule of 1 magnified to show nervation......................................... 0i
2. nbsp;nbsp;nbsp;A compound pinna, or a part of the frond, fromnbsp;nbsp;nbsp;nbsp;road-sidenbsp;nbsp;nbsp;nbsp;nearnbsp;nbsp;nbsp;nbsp;Potomac Run....... nbsp;nbsp;nbsp;82
2a. nbsp;nbsp;nbsp;Portion of a pinnule from the lower part ofnbsp;nbsp;nbsp;nbsp;thenbsp;nbsp;nbsp;nbsp;specimennbsp;nbsp;nbsp;nbsp;magnified............... 82
2gt;gt;. A pinnule from the upper part magnified......................................... 82
3. nbsp;nbsp;nbsp;Pinna from Fredericksburg...................................................... 82
3. Pinnule of 3 magnified to show nervation......................................... 82
4. nbsp;nbsp;nbsp;Pinna from Fredericksburg....................................................... 82
5. nbsp;nbsp;nbsp;Upper portion of a pinna from 72d mile-post, near Brooke.......................... 82
6. nbsp;nbsp;nbsp;Pinna from road-side near Potomac Run............................. 82
7. nbsp;nbsp;nbsp;Pinna from road-side near Potomac Run............................ 82
7. Pinnule of the same magnified to show nervation................................. 82
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE VIII
PLATE IX.
8.
8
9. Portion of an ultimate pinna, with unusually broad pinnules.
Figs. ]-6. Pbcopteris Vibginiensis, sp. nov..............
1. nbsp;nbsp;nbsp;Compound pinna from Frederickslinrg..........
1. Pinnule of 1 magnified to show nervation.......
2. nbsp;nbsp;nbsp;Pinna from fishing hut above Dutch Giip Canal.
2. Pinnule of 2 magnified to show nervation.......
3. nbsp;nbsp;nbsp;Pinna from red clay ball in Dutch Gap Canal ...
4. nbsp;nbsp;nbsp;Pinna from fishing hut above Dutch Gap Canal .
5. nbsp;nbsp;nbsp;Pinna from road-side near Potomac Run........
C. Pinna from fishing hut above Dutch Gap Canal.
Figs. 7-9. Cladophlebis cbenata, sp. nov...............
7. Portion of the frond or of a primary pinna......
7. Pinnule of 7 magnified to show nervation.......
Portion of the frond or of a primary pinna......
Pinnules of 8 magnified to show nervation......
Page.
62
82
82
82
82
82
82
82
82
75
75
75
75
75
75
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE IX
PLATE X.
Page.
Figs. 1,2. Cladophlebis crenata, sp. nov................................................ 75
1. nbsp;nbsp;nbsp;Portion of tlie frond or of a compouinl ]iliiiia................... 75
1. Pinnule of 1 magnified to show nervation......................................... 75
2. nbsp;nbsp;nbsp;Portion of the frond, or of a compound pinna, with opposite piunai; possibly a dis
tinct species................................................................... 75
2 Pinnule from the upper part of 2 magnified....................................... 75
Figs. 3,4. Cladophlebis inclinata, sp. nov................................................ 7(1
3. nbsp;nbsp;nbsp;Portion of the frond, or of a compound pinna, with small pinnules, showing opposi
tion of pinniB.................................................................. 76
3quot;. Pinnule of 3 magnified to show nervation......................................... 76
4. nbsp;nbsp;nbsp;Portion of the frond or of a compound pinna..................................... 76
Figs. 5,8. Cladophlebis, sp. ?.............................................................. 76
5,8. Fragments of ultimate pinnae, showing in the pinnules no lateral nerves........... 77
5. An enlarged pinnule of 5........................................................ 67
Figs. 6,7. Cladophlebis acuta, sp. nov.................................................... 46
6. nbsp;nbsp;nbsp;Several detached pinnae.......................................................... 74
6quot;. Pinnule of the same magnified to show nervation................................. 74
7. nbsp;nbsp;nbsp;Pinna showing abnormal lateral nerves in the pinnules........................... 74
7. Pinnule of 7 magnified to show nervation......................................... 74
Fig. 9. Asplenium dubium, sp. nov. ?................................................... 109
9. Small fragment of an ultimate pinna, a pinnule of which is magnified in 9......... 109
u. S. GEOLOGICAL SURVEY
monograph XV PLATE X
PLATE XI.
Page.
Figs. 1-6. Aspidium Fredekicksbuegbnsb, sp. nov........................................ 94
1. nbsp;nbsp;nbsp;Portion of a compound pinna or of the frond........................ 94
1. nbsp;nbsp;nbsp;Pinnule of I miignified to show the nervation..................................... 94
2. nbsp;nbsp;nbsp;Portion of an ultimate pinna showing sori.................................. 94
2. nbsp;nbsp;nbsp;Pinnule of 2 magnified to show the sori.......................................... 94
2'quot;. nbsp;nbsp;nbsp;A sorus still more magnified.... ................................................. 94
3. nbsp;nbsp;nbsp;Fragment of a very long ultimate pinna......................................... 94
3. nbsp;nbsp;nbsp;Magnified pinnule of 3............................ 94
4. nbsp;nbsp;nbsp;Fragment of an ultimate pinna with distant pinnules -............ 94
4quot;. nbsp;nbsp;nbsp;Pinnule of 4 magnified........................................................... 94
5. nbsp;nbsp;nbsp;Fragments of ultimate pinn® with entire margins................................ 94
6. nbsp;nbsp;nbsp;Fragment showing unusually small pinnules...................................... 94
6. nbsp;nbsp;nbsp;Pinnule of 6 magnified to show nervation ........................................ 94
Figs. 7,8. nbsp;nbsp;nbsp;Cladophlebis acuta, sp. nov................................................... 74
7. nbsp;nbsp;nbsp;A form with unusually long and slender pinnules................................. 74
7quot;. nbsp;nbsp;nbsp;Pinnule of 7 magnified to show nervation........................................ 74
8. nbsp;nbsp;nbsp;Portion of the frond or of a compound pinna..................................... 74
8. Magnified pinnule of 8........................................................... 74
PLATE XII.
MON XV-26
Page.
Figs. 1-6. Aspidiüm Frbdeeicksburgbnsb, sp. nov........................................ 94
1. nbsp;nbsp;nbsp;Portion of the frond, or of a very large compound pinna.......................... 94
1. Magnified pinnule from the lower part of 1, showing nervation.................... 94
2. nbsp;nbsp;nbsp;Portion of a compound pinna from the lower part of the frond, showing lohed and
toothed pinnules........1...................................................... 94
2». Magnified pinnules of 2......................................................... 94
3. nbsp;nbsp;nbsp;Fragment of a large pinna, or of the frond, showing toothed pinnnles............. 94
3. Magnified pinnnles of 3.......................................................... 94
4. nbsp;nbsp;nbsp;Fragment of an ultimate pinna with unusnally large toothed pinnules............. 94
4quot;. Magnified pinnule of 4........................................................... 94
5. nbsp;nbsp;nbsp;Fragment of an ultimate pinna wdth broad crenate pinnules.......-.............. 94
5®'. Magnified pinnule of 5, showing nervation........................................ 94
6. nbsp;nbsp;nbsp;Fragment of a pinna with unusnally long crenate pinnules, probably from the upper
part of the frond .............................................................. 94
6. Pinnule of 6 magnified to show nervation........................................ 94
â * nbsp;nbsp;nbsp;.;- . -r-'--fïâ -nbsp;nbsp;nbsp;nbsp;quot;i
⢠-r nbsp;nbsp;nbsp;Jlt;w:â *lt;» â¢igt;ism.r_^i. ;nbsp;nbsp;nbsp;nbsp;quot;nbsp;nbsp;nbsp;nbsp;...... ..................
h-\.
PLATE XTir.
Page.
Figs. 1-3. Cladophlebis crbnata, sp. nov................................................ 75
1. nbsp;nbsp;nbsp;Pinna ¦witli latFer large, deeply lobed pimmles..................................- nbsp;nbsp;nbsp;75
1quot;. Pinnulo of 1 magnified, to show nervation..................................... 75
2. nbsp;nbsp;nbsp;Small pinnules from the upper part of the frond........... 75
2. Pinnule of 2 magnified...................................... 75
3. nbsp;nbsp;nbsp;Portion of a inuna............................................................... 75
3quot;. Pinnule of 3 magnified........................................................... 75
Figs. 4,5. Cladophi.ebis distans, sp. nov................................................. 77
4. nbsp;nbsp;nbsp;Portion of a compound pinna or of the frond..................................... 77
4. Pinnules of 4 magnified.......................................................... 77
5. nbsp;nbsp;nbsp;Detached pinnse............... 77
5. Pinnules of 5 magnified.......................................................... 77
Figs. 6-8. Pecoptbris steictineuvis, sp. nov.............................................. 84
6. nbsp;nbsp;nbsp;Portion of a compound pinna with somewhat abnormal pinnules and nervation ...nbsp;nbsp;nbsp;nbsp;84
6». Magnified pinnules of 6.......................................................... 84
7. nbsp;nbsp;nbsp;Portion of a compound pinna with denticulate piuuules.......................... 84
7. Magnified pinnules of 7.......................................................... 84
8. nbsp;nbsp;nbsp;Portion of a pinna from the lower part of the frond............................... 84
8. Magnified pinnules of 8.......................................................... 84
Figs. 9,10. Aspidium ellipticum, sp. nov............................... 95
9. nbsp;nbsp;nbsp;Portion of a compound pinua or of the frond..................................... 95
9. Magnified base of a pinnule..... ................................................ 95
O*. Magnified pinnule with sori............................. 95
9'=. Soriis still more magnified, giving indication of sporangia around the margin...... nbsp;nbsp;nbsp;95
10. Portion of a pinna of probably the same plant as 9, probably the upper part, from
bank near Brooke.............................................................. 95
PLATE XIV.
Page.
Figs. 1-5. Aspibium hetkrophyllüm, sp. nov............................................. 96
1. nbsp;nbsp;nbsp;Fragment of a large primary pinna or of the frond............................... 96
1. Ultimate pinna of 1, from the lower part of a secondary pinna, magnified to show
nervation............................................. ....................... 96
1'gt;. Magnified pinna or pinnule from higher np on the secondary nbsp;nbsp;nbsp;pinna................ 96
1. Magnified pinnule from near the summit of the secondary pinna.................. 96
1'^. Magnified pinnule from the summit of the secondary pinna....................... 96
2. nbsp;nbsp;nbsp;Portion of a large secondary pinna..................... 96
3. nbsp;nbsp;nbsp;Summit of a secondary pinna.................................................... 96
4. nbsp;nbsp;nbsp;Portion of an ultimate pinna..................................................... 96
4. Magnified pinnules of 4...........-....... 96
5. nbsp;nbsp;nbsp;Portion of the summit of a primary pinna or of the frond ............... 96
u. s. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE XIV
PLATE XV,
Page.
Figs. 1-5. ASPIDIUM IIETEROPHYLLtlM, sp.nov.............................................. 96
1. Portion of a fructified ultimate pinna.......................................... nbsp;nbsp;nbsp;96
1. Magnified pinnule of 1, to show sori and nerves................................... 96
iJ. Portion of the upper part of a primary pinna or of the frond...................... 96
3. nbsp;nbsp;nbsp;Portion of a secondary pinna.................................................... 96
3. Pinnules of 3 magnified......................................................... 96
4. nbsp;nbsp;nbsp;Portion of a secondary pinna from low down on the plant......................... 96
4. Magnified pinnules of 4.......................................................... 96
5. nbsp;nbsp;nbsp;Portion of a fructified secondary pinna............................................ 96
5. Pinnules of 5 magnified, to show sori and nervation............................... 96
Fig. 6. Cladophlebis, species undetermined............................................. 77
6. nbsp;nbsp;nbsp;Small fragment of a pinna from bank near Brooke............................... 77
6. Pinnule of 6 magnified........................................................... 77
Fig. 7. Aspidium Virginicum, sp. nov................................................... 97
7. nbsp;nbsp;nbsp;Small fragment of an ultimate pinna.............................................. 97
7. Magnified pinnule of 7........................................................... 97
Fig. 8. Pecoptbris ovatodehtata, sp. nov.............................................. 85
8. nbsp;nbsp;nbsp;Portion of an ultimate pinna............................................-........ 85
8. Pinnule of 8 magnified........................................................... 85
U. S. GEOLOGICAL SURVEY
Monograph xv plate xv
PLATE XVI.
Figs. 1,3,8. Aspidium angüstipinnatum, sp. nov..................................
1. nbsp;nbsp;nbsp;Fragment of an ultimate pinna........................................
3. nbsp;nbsp;nbsp;Portion of a large primary pinna, or of the frond, slightly restored......
3 Pinnules from the lower part of 3 magnified...........................
3*gt;. Pinnules from the upper part of 3 magnified...........................
8. nbsp;nbsp;nbsp;Portion of an ultimate pinna from hill-side near Potomac Eun...........
8. Pinnule of 8 magnified................................................
Fig. 2. Aspidium cystopteroides, sp. nov...................................
2. nbsp;nbsp;nbsp;Portion of an ultimate pinna.........-................................
2. Pinnule of 2 magnified, to show sori and nervation ...................
Figs. 4,5. Polypodium padyenioides, sp. nov..................................
4. nbsp;nbsp;nbsp;Portion of a pinnule slightly enlarged, showing the under side..........
4. A sorus of 4 magnified.................................................
5. nbsp;nbsp;nbsp;Portion of a pinnule of small size, not enlarged, showing the upper side.
Fig. 6. Asplbniopteris adiantifolia, sp. nov................................
6. nbsp;nbsp;nbsp;Portion of frond, natural size, showing sori............................
6. An ultimate pinna enlarged, to show sori...............................
Fig. 7. Acrostichum crassieolium, sp. nov..................................
7. nbsp;nbsp;nbsp;Fragment of a pinnule............................................. ---
7. Fragment 7 magnified................................................
Fig. 9. Aspidium Fredericksburgensb, sp. nov..............................
9. nbsp;nbsp;nbsp;Fragment of an ultimate pinna with large sori........................
Page.
98
98
98
98
98
98
98
99 99nbsp;99
104
104
104
104
118
118
118
105 105nbsp;105
94
94
PLATE XVII,
Page.
Fig. nbsp;nbsp;nbsp;1. Aspidium angustipinnatum, sp. nov........................................... 98
1. nbsp;nbsp;nbsp;Parts of a large fructified compound pinna or of the frond........................ 98
1». Pinnule of 1 magnified, to show sori and nerves.................................. 98
Fig. nbsp;nbsp;nbsp;2. Aspidium mackocakpum, sp. nov...... ........................................ 103
2. nbsp;nbsp;nbsp;Portion of a compound pinna, or of the frond, showing only sori and some of the
nervs, owing to maceration.................................................... 103
2. Pinnule magnified.............. 103
2'. Sorus still more magnified....................................................... 103
Figs. 3-7. Thinnfeldia vaeiabilis, sp. nov............................................... 110
3. nbsp;nbsp;nbsp;Upper partof a compound pinna......... 110
3. Portion of a pinnule magnified.................................................. 110
4. nbsp;nbsp;nbsp;Portions of several ultimate pinnse................ 110
4. Pinnule of 4 magnified to show nervation.......................... 110
5. nbsp;nbsp;nbsp;Ultimate pinna from the upper part of the frond................................. 110
6. nbsp;nbsp;nbsp;Summit of an ultimate pinna .................................................. 110
7. nbsp;nbsp;nbsp;Portion of an ultimate pinna with broad-toothed pinnules................... 110
PLATE XYIII.
Page.
Figs. 1-6. Thinnfeldia vabiabilis, sp. nov............................................... 110
1. Two compound pinn®...................................................-........ 110
1. Portion of a lower piuna magnified............................................... 110
I*quot;. Portion of an upper pinna magnified............................................. 110
P. Tip of a pinna magnified......................................................... 110
?. nbsp;nbsp;nbsp;Upper part of a compound pinna................................................. 110
2. Pinna of 2 magnified............................................................. 110
3. nbsp;nbsp;nbsp;Portions of two ultimate pinn®.................................................. 110
3®. Pinna of 3 magnified...........................................................110
4. nbsp;nbsp;nbsp;Portion of the upper part of a primary compound pinna or of the frond........... 110
I*. Portion of the same magnified to show nervation................................. 110
5. nbsp;nbsp;nbsp;Upper part of an ultimate pinna................................................. 110
?. nbsp;nbsp;nbsp;Tip of a pinna from road-side near Potomac Run................................. 110
U- S. GEOLOGICAL SURVEY
r
MONOGRAPH XV PLATE XVIM
PLATE XIX.
Fig. 1. 1.nbsp;1».
2\
3.
3.
3».
4.
4.
4».
5. 5.
5.
Figs. 6,7. 6,7.nbsp;6, 7.
Fig.
Fig.
Fig.
Fig.
Fig.
Fig.
Fig.
8.
9.
9. 9.
Cladophlebis crenata, sp. nov..................;............................. 75
Portion of au ultimate pinna......... 75
Pinnule of 1 magnified........................................................... 75
Cladophlebis, sp.?............................................................. 78
Several detached pinnules.......... 78
Portion of a pinnule magnified................................................... 78
Cladophlebis, sp. ?............ 77
Portion of an ultimate pinna..................................................... 77
Pinnule of 3 magnified........................................................... 77
Aspidium Oerstedi ? Heer...................................................... 99
End of a pinnule.............................. 99
Fig. 4 magnified................................................................. 99
CI/ADOPHlebis alata, sp. nov................................................... 77
Portion of a compound pinna or of the frond..................................... 77
Portion of a pinnule enlarged.................................................... 77
Aspidium Fredbricksburgense, sp. nov....................................... 94
Portions of compound pinn® from different parts of tlio plant.................... 94
Magnified pinnules of 6, 7....................................................... 94
Pbcoptbris miceodoxta, sp. nov............................................... 85
Portion of a compound pinna or of the frond... .................................. 85
Pinnule of 8 magnified........................................................... 85
Pecopteris strictinervis, sp. nov.............................................. 84
Portion of a compound pinna.................................................... 84
Magnified idnnule of 9........................................................... 84
Aspidium angustipinxatum, sp. nov............................................ 98
Portion of an ultimate pinna..................................................... 98
MON XV-27
Page.
Figs. 1,2,4. Pecopteris constkicta, sp. nov.............................................. 86
1. nbsp;nbsp;nbsp;Portion of a primary pinna from probably the middle part of the frond.......... 86
1. Part of a pinna of 1 magnified, to show nervation.............................. 86
2. nbsp;nbsp;nbsp;Portion of a compound pinna from probably the middle part of a frond.......... 86
4. nbsp;nbsp;nbsp;Portion of probably an ultimate pinna from the lower part of the frond......... 86
4. Portion of a pinnule magnified................................................ 86
4gt;gt;. Tip of a pinnule magnified..................................................... 86
Fig. 3. Pecopteris sTincxmERVis, sp. nov............................................ 84
3. nbsp;nbsp;nbsp;Several detached ultimate pinn®.............................................. 84
3. Pinnule of 3 magnified......................................................... 84
Figs. 5,11. nbsp;nbsp;nbsp;Pecopteris micbodonta, sp. nov.............................................. 85
5. nbsp;nbsp;nbsp;Small fragment of an ultimate pinna........................................... 85
11. Two detached ultimate pinn®................................................. 85
11. Pinnule of 11 magnified........................................................ 85
Fig. nbsp;nbsp;nbsp;6.nbsp;nbsp;nbsp;nbsp;Ceadophlbbis crenata, sp. nov.............................................. 75
6. nbsp;nbsp;nbsp;Portion of a compound pinna.................................................. 75
6quot;. Pinnule magnified............................................................. 75
Fig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;Cladophlbbis, sp. ?........................................................... 76
7. nbsp;nbsp;nbsp;Portion of an ultimate pinna................................................... 76
7. Pinnule magnified............................................................. 76
Fig. nbsp;nbsp;nbsp;8.nbsp;nbsp;nbsp;nbsp;Cladophlbbis inclinata, sp. nov............................................. 76
8. nbsp;nbsp;nbsp;Small fragment of an ultimate pinna...................... 76
8. Pinnules of 8 magnified........................................................ 76
Figs. 9,10. Cladophlbbis kotündata, sp. nov............................................ 78
9. nbsp;nbsp;nbsp;Part of a primary pinna or of the frond................................. 78
9. Pinnules of 9 magnified........................................................ 78
O''. Tip of a pinna magnified.....................................-................ 78
10. Portion of an ultimate pinna from the lower part of the frond............ 78
10 Pinnule of 10 magnified........................................................ 78
PLATE XXI.
Fig.
Fig.
Fig.
Fig.
Figs,
5,
Fig.
Fig.
Fig.
Fig.
Fig.
5.
5.
6. 6.
6.
e».
7.
7.
8. 8.
9,13. 9,13.
10.
10.
10-*.
11.
11.
11.
12.
14.
14. 14.nbsp;14igt;.
15. 15.nbsp;15.
Figs. 1-3. Pecoptbris brevipbnnis, sp. nov.................................
1,2,3. PortiouH ol ultimate piiinje........................................
1. Portion of ultimate pinna differing in facies somewhat from 2 and 3 .
1. Part of a pinna of 1 magnified.....................................
2. Two pinnules of 2 magnified......................................
3 Portion of a pinnule of 3 magnified................................
Fig. 4. Cladophlbbis sphbnopteroidks, sp. nov.........................
4. Summit of an ultimate pinna...........................-..........
4. Pinnule of 4 magnified............................................
Aspidium oblongifoligm, sp. nov............
Two detached pinnules........................
Aspidiu.m parvifolium, sp. nov...............
Fragment of an ultimate pinna................
Pinnule of 6 magnified, to show nerves and sori. Sorus much magnified.........................
Pecoptbris sociabis. Heer........................
Several detached ultimate pinnae...................
Stknoptbris Virginica, sp. nov...................
Several fragments from the upper part of the plant.
Cladophlebis constricta ?, sp. nov...............................
Small fragments from Deep Bottom of what is probably C. constricta .
Pecoptbris AttGUSTiPEitNis, sp. nov................................
A portion of a pinnule..............................................
Lower portion of 10 magnified.....................................
Gleichenia Nordbnskiöldi? Heer................................
Fragment of a pinna..............................................
Pinnnles magnified................................................
Undetermined fern.................................................
Aspidium Virginicum, sp. nov................
Fragment of a compound pinna................
Pinnulé of 14 magnified...................... -.
Portion of 14 still more magnified, to show sori.
Aspidium pinnatipidum, sp. nov..........
Fragment of an ultimate pinna................
Pinnule of 15 magnified .......................
Page.
86
86
86
86
86
86
79
79
79
100
100
100
100
100
100
87
87
112
112
68
68
87
87
87
119
119
119
119
97
97
97
97
101
101
101
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE XXl
lt; â
PLATE XXII
Page.
Figs. 1-3,6,7. Aspleisiiopteris pinnatifida, sp. noy....................................... 118
1. nbsp;nbsp;nbsp;Portion of a sterile compoundnbsp;nbsp;nbsp;nbsp;pinna from the uppernbsp;nbsp;nbsp;nbsp;part ofnbsp;nbsp;nbsp;nbsp;the plant......... 118
1. nbsp;nbsp;nbsp;Pinnule of 1 magnified....................................................... 118
2. nbsp;nbsp;nbsp;Portion of a compound pinnanbsp;nbsp;nbsp;nbsp;fromnbsp;nbsp;nbsp;nbsp;the lower part of the frond................ 118
2. nbsp;nbsp;nbsp;Portion of a pinna magnified................................................. 118
3. nbsp;nbsp;nbsp;Fragment of a pinnule....................................................... 118
6. nbsp;nbsp;nbsp;Portion of a fertile compound pinna slightly restored......................... 118
6. Sori of 6 enlarged............................................................. 118
6'. Portion from near the tij) of the pinnule enlarged, to show the nerves......... 118
7. nbsp;nbsp;nbsp;Fragment of a pinnule partly fructified....................................... 118
Figs. 4,5. Polypodium dbntatum, sp. nov............................................. 105
4. nbsp;nbsp;nbsp;Fragment of a fertile pinna.................................................. 105
4. Portion of 4 magnified....................................................... 105
5. nbsp;nbsp;nbsp;Portions of two sterile pinna)................................................. 105
5. Pinnules of 5 magnified...................................................... 105
Fig. nbsp;nbsp;nbsp;8. Ceadophlebis PBTioLATA, sp. nov............................................ 80
8. nbsp;nbsp;nbsp;Fragment of an ultimate pinna............................................... 80
8. Pinnule enlarged............................................................ 80
Fig. nbsp;nbsp;nbsp;9.nbsp;nbsp;nbsp;nbsp;Aspidium Dunkbri Schimpor, sp............................................ 101
9. nbsp;nbsp;nbsp;Portion of a fertile frond......................................-.............. 101
9quot;. Magnified pinnule, showing the lower side.................................... 101
9h Magnified pinnule, showing the upper side.................................... 101
Figs. 10,11. Pecopteris Browniana Bunker............................................ 88
10. nbsp;nbsp;nbsp;Fragment of compound pinna from Fredericksburg........................... 88
11. nbsp;nbsp;nbsp;Fragment of a compound pinna collected by Meek at Baltimore............... 88
11. Pinnule of 11 magnified...................................................... 88
Fig. nbsp;nbsp;nbsp;12. Pbcopteris ovatodbntata, sp. nov......................................... 85
12. nbsp;nbsp;nbsp;Small fragment of an ultimate pinna......................................... 85
12. Pinnule of 12 magnified, to show nervation................................... 85
Fig. 13. Pecopteris strictinervis, sp. nov.........................i................ 84
13. nbsp;nbsp;nbsp;End of an ultimate pinna.................................................... 84
1.3. Pinnules of 13 magnified..................................................... 84
PLATE XXIII
Page.
Fig. 1. Pecopteris ovatodhnta.ta, sp. ................................................ 85
1. nbsp;nbsp;nbsp;Several detached ultimate pimiai................................................. 85
1. Maguified piuiiule of 1, showing nervation........................................ 85
Figs. 2-7. Pecopteris Browniana, Duuker............................................... 88
2. nbsp;nbsp;nbsp;Summit of a compound pinna slightly restored.................................... 88
2. Pinnule of 2 magnified........................................................... 88
3. nbsp;nbsp;nbsp;Portion of the upper part of the frond............................................ 88
3. Lower pinnule magnified......................................................... 88
S'quot;. Upper pinnule magnified......................................................... 88
.3=. Pinnules from the extremity of the pinnse magnified............................... 88
4. nbsp;nbsp;nbsp;Portion of a compound pinna slightly restored.................................... 88
4. Pinnules from the lower part of 4 magnified....................................... 88
Pinnules from the central part of 4 magnified...................................... 88
5. nbsp;nbsp;nbsp;Upper part of a compound pinna .................................................. 88
5quot;'. Pinnule or pinna magnified....................................................... 88
6. nbsp;nbsp;nbsp;Portions of two detached compound pinnae........................................ 88
fi». Lower pinnule magnified......................................................... 88
7. nbsp;nbsp;nbsp;Small fragment of the upper part of a compound pinna........................... 88
7. Piunule magnified............................................................... 88
PLATE XXIV.
Page.
Fig. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;Thyrsoptehis Virgiyica. sp. nov........................................... 120
1. nbsp;nbsp;nbsp;Fragment oj an RltiRiate pinna.................. 120
1. Fragmeut 1 magnified........................................................ 120
Fig. nbsp;nbsp;nbsp;2.nbsp;nbsp;nbsp;nbsp;Pecopteris Virginiensis, sp. nov........................................... Ö2
2. nbsp;nbsp;nbsp;Fragment ot an ultimate pinna.............................................. 82
Portion ot a pinnule magnified, to show nervation............................ 82
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Thyrsopteris elliptica, sp. nov............................................ 133
3. nbsp;nbsp;nbsp;Portion of a compound pinna................................................. 133
3®. Pinnule of 3 magnified....................................................... 133
Figs. 4,6, 7,9. Thyrsopteris dbntata, sp. nov............................................. 121
4. nbsp;nbsp;nbsp;Portion of the summit ofnbsp;nbsp;nbsp;nbsp;anbsp;nbsp;nbsp;nbsp;compoundnbsp;nbsp;nbsp;nbsp;pinna.................................. 121
6. nbsp;nbsp;nbsp;Portion of the lower partnbsp;nbsp;nbsp;nbsp;ofnbsp;nbsp;nbsp;nbsp;a compound pinna.................. 121
6. nbsp;nbsp;nbsp;Lower pinnule magnified..................................................... 121
eL nbsp;nbsp;nbsp;Upper pinnule magnified...................................................... 121
7. nbsp;nbsp;nbsp;Tip of an ultimate pinna..................................................... 121
7®. Pinnule magnified........................................................... 121
9. Portions of several detached ultimate pinna?................................. 121
9®. nbsp;nbsp;nbsp;Lower pinnule magnified.................................................... 121
9^ nbsp;nbsp;nbsp;Upper pinnule magnified..................................................... 121
Figs. 5.10. Thyrsopteris brbvifoua, sp. nov.......................................... 121
5. nbsp;nbsp;nbsp;Portion of a compound pinna slightlynbsp;nbsp;nbsp;nbsp;restored... ............................. 121
5®-5gt;'. Pinnules magnified.......................................................... 121
5®. From the lower part of the frond............................................. 121
From the middle............................................................. 121
5®. From the upper part........................................................ 121
5lt;. Terminal pinnules of a pinna................................................. 121
10. Tip of an ultimate pinna..................................................... 121
Fig. nbsp;nbsp;nbsp;8.nbsp;nbsp;nbsp;nbsp;Aspidium parvifolium, sp. nov............................................. 100
8. nbsp;nbsp;nbsp;Portion of a oomiionnd pinna from thenbsp;nbsp;nbsp;nbsp;upper p.art of the frond................ 100
8®. Pinnule magnified........................................................... 100
PLATE XXV.
Page.
Figs. nbsp;nbsp;nbsp;1-2.nbsp;nbsp;nbsp;nbsp;Thyrsoptbrisnbsp;nbsp;nbsp;nbsp;dentata, sp. nov.......................................... 121
]. Portion of the upper part of a compound pinna............................. 121
l'^. Pinna of 1 magnified...............................-.......-............... 121
2. nbsp;nbsp;nbsp;Portion of an ultimate compound pinna.................................... 121
2. Pinnule of 2 magnified..................................................... 121
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Spiibnopterisnbsp;nbsp;nbsp;nbsp;thyrsopteroides, sp. nov.................................. 89
3. nbsp;nbsp;nbsp;Portion of the upper part of a compound pinna....................-........ 89
3. Portion of a pinna magnified............................................... 89
Figs. nbsp;nbsp;nbsp;4,5,16.nbsp;nbsp;nbsp;nbsp;Tiiyrsopterisnbsp;nbsp;nbsp;nbsp;nervosa, sp. nov........................................... 122
4,5. Tips of ultimate pinme.................................................... 122
4\ Magnified pinnule of 4..........................-........................... 122
16. Summit of an ultimate pinna................................................ 122
Figs. 6,7,14,15. Aspiditjm dent atom, sp. nov.............................................- nbsp;nbsp;nbsp;102
6,7. Portions of ultimate pinna) high up in the frond......................-...... 102
6, 7quot;'. Pinnules of 6,7 magnified................................................. 102
14. nbsp;nbsp;nbsp;Portion of a fertile compound pinna....................................... 102
14. Pinnules of 14 magnified................................................... 102
15. nbsp;nbsp;nbsp;Upper part of a compound pinna........................................... 102
15. Upper pinnules of 15 magnified............................................ 102
Fig. nbsp;nbsp;nbsp;8.nbsp;nbsp;nbsp;nbsp;Cladophlbbis in^equiloba, sp. nov....................................... 80
8. nbsp;nbsp;nbsp;Portion of the upper part of a compound pinna............................. 80
Fig. nbsp;nbsp;nbsp;9.nbsp;nbsp;nbsp;nbsp;Ci.adophi.ebis pachyphylla, sp. nov..................................... 80
9. nbsp;nbsp;nbsp;Upper part of an ultimate pinna........................................... 80
9. Pinnules of 9 magnified.................................................... 80
Fig. nbsp;nbsp;nbsp;10.nbsp;nbsp;nbsp;nbsp;Aspidium parvifolium, sp. nov........................................... 100
10. Fragment of a compound pinna............................................ 100
Figs. 11,12. Aspidium Dunkbri Schimper, sp.......................................... 101
11,12. Fragments of ultimate pinn®.............................................. 101
11. Pinnule of 11 magnified...........................-........................ 101
Fig. nbsp;nbsp;nbsp;13.nbsp;nbsp;nbsp;nbsp;Osmunda sphbnoptbroidbs, sp. nov...................................... 145
13. Two detached ultimate pinnae............................................. 145
13. Sterile pinnule magnified.................................................. 145
13'gt;. Fertile pinnule magnified.................................................. 145
PLATE XXVI.
Page.
Figs. 1,14,16,17. Aspidium parvifolium, sp. nov........................................... 100
1. nbsp;nbsp;nbsp;Small fragment of an ultimate pinna ..................................... 100
1. Pinnule of 1 magnified.................................................... 100
14,16,17. Fragments of ultimate pinnae from tlie upper part of tlie frond............. 100
16. Pinnule of 16 magnified................................................... 100
Figs. 2,8,9,18. A.spidium Dunkeri Scliimper, sp......................................... 101
2. nbsp;nbsp;nbsp;Fragment of an ultimate pinna............................................ 101
2. Pinnules of 2 magnified................................................... 101
8. nbsp;nbsp;nbsp;Portion of a compound pinna or of tlie frond........... 101
8. Pinnule of 8 magnified.................................................... 101
9. nbsp;nbsp;nbsp;Fragment of an ultimate pinna............................................ 101
9. Pinnule magnified......................................................... 101
18. Portion of an ultimate pinna..................... 101
18. Pinnule magnified......................................... 101
Figs. nbsp;nbsp;nbsp;3,13. Pecopteris BnowNiANADuuker.......................................... 88
3. nbsp;nbsp;nbsp;Upper part of a compound pinna......... 88
3. Pinnules magnified........................................................ 88
13. Portion of a compound pinna............................................. 88
13. Pinnule magnified....... 88
Figs. nbsp;nbsp;nbsp;4,5.nbsp;nbsp;nbsp;nbsp;Pecopteris paciiypiiylla, sp. nov......... 88
4. nbsp;nbsp;nbsp;Fragment of a compound pinna........................................... 88
4. Pinna magnified.......................................................... 88
5. nbsp;nbsp;nbsp;Portion of a lower compound pinna....................................... 88
5. Part of a pinna magnified........................................... 88
Figs. nbsp;nbsp;nbsp;6,7.nbsp;nbsp;nbsp;nbsp;Thyrsopteris rarinervis, sp. nov....................................... 123
6. nbsp;nbsp;nbsp;Fragment of a compound pinna........................................... 123
7. nbsp;nbsp;nbsp;Fragment of tlie upper part of an ultimate pinna.......................... 123
7. Pinnule of 7 magnified........... 123
Figs. nbsp;nbsp;nbsp;10-12.nbsp;nbsp;nbsp;nbsp;Thinnfeldia granui.ata, sp. nov........................................ Ill
10-12. Portions of the upper part of ultimate pinnse, variously lobed.............. Ill
Fig. nbsp;nbsp;nbsp;15.nbsp;nbsp;nbsp;nbsp;Cladophleris, sp. undetermined......................................... 81
15. Small fragment of an ultimate pinna...................................... 81
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE XXVI
PLATE XXVII
Page.
Figs. nbsp;nbsp;nbsp;1-5,8.nbsp;nbsp;nbsp;nbsp;Thinoteldia gbanulata, sp. nov........................................... Ill
1. nbsp;nbsp;nbsp;Upper portion of a compound pinna.......................................... Ill
2. nbsp;nbsp;nbsp;Termination of a pinnule or pinna........................................... Ill
3. nbsp;nbsp;nbsp;Pinnule showing incipient lobing............................................ Ill
4. nbsp;nbsp;nbsp;Terminal portion of a compound pinna....................................... Ill
5. nbsp;nbsp;nbsp;Upper part of a compound pinna............................................. Ill
5. Pinnule magnified.........-................................................. Ill
S'». Portion of 5 much magnified, and showing the fine nbsp;nbsp;nbsp;granulation............... Ill
8. nbsp;nbsp;nbsp;Tip of a pinnule or pinna.................................................... Ill
Figs. nbsp;nbsp;nbsp;6,7.nbsp;nbsp;nbsp;nbsp;Thinnfeldia kotundiloba, sp. nor......................................... Ill
6. nbsp;nbsp;nbsp;Summit of a compound pinna................................................. Ill
7. nbsp;nbsp;nbsp;Portion of a compound pinna................................................ Ill
7. Pinnule magnified........................................................... Ill
Fig. nbsp;nbsp;nbsp;10.nbsp;nbsp;nbsp;nbsp;Sagenoptbris LATiFoniA, sp. nov........................................... 148
10. nbsp;nbsp;nbsp;Portion of a leaf............................................................. 148
Figs. 9,11-17. Sagenopteeis elliptica, sp. nov............................................ 149
9. nbsp;nbsp;nbsp;Fragment of a small leaf.................................................... 149
11. nbsp;nbsp;nbsp;Upper part of a leaf of medium size.......................................... 149
12. nbsp;nbsp;nbsp;Basal portion of a large leaf................................................. 149
13. nbsp;nbsp;nbsp;Tip of a small leaf........................................................... 149
14. nbsp;nbsp;nbsp;Petiole, with leaflets once attached to it...................................... 149
15. nbsp;nbsp;nbsp;Portion of a leaf showing the corpusclesnbsp;nbsp;nbsp;nbsp;on the undernbsp;nbsp;nbsp;nbsp;side.................... 149
15. Portion of 15 magnified...................................................... 149
16. nbsp;nbsp;nbsp;Upper part of a leaf of medium size.......................................... 149
16^ Part of 16 magnified......................................................... 149
17. nbsp;nbsp;nbsp;Fragment of a leaf slightly enlarged, to show nervation...................... 149
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE XXVII
PLATE XXVIII.
MON XV-28
Page.
Fig. 1. Angiopteriditjm auricuratum, sp. nov....................................... 113
1. nbsp;nbsp;nbsp;Portion of the frond showing several pinnules.................................. 113
Figs. nbsp;nbsp;nbsp;2,4,6.nbsp;nbsp;nbsp;nbsp;Sclbropteris blliptica, sp. nov.............................................. 151
2. nbsp;nbsp;nbsp;Fragment showing remote and small pinnules................... 151
2. nbsp;nbsp;nbsp;Pinnule of 2 magnified......................................................... 151
4. nbsp;nbsp;nbsp;Terminal portion of a pinna with small pinnules............................... 151
6. nbsp;nbsp;nbsp;Large fragment of a primary pinna or of the frond............................. 151
Figs. nbsp;nbsp;nbsp;3,5.nbsp;nbsp;nbsp;nbsp;Sclbropteris Virginica, sp. nov.............................................. 152
3. nbsp;nbsp;nbsp;Upper part of a compound pinna or of the frond............................... 152
3quot;. nbsp;nbsp;nbsp;Pinnule of 3 magnified ........................................................ 152
5. nbsp;nbsp;nbsp;Summit of a compound pinna or of the frond, slightly restored................. 152
5. nbsp;nbsp;nbsp;Tip of a pinna of 5 magnified.................................................. 152
5'. nbsp;nbsp;nbsp;Pinnules of 5 magnified....................................................... 152
Fig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;Sclbropteris elliptica, var. longipolia, sp. nov........... 152
7. nbsp;nbsp;nbsp;Summit of an ultimate compound pinna ...................................... 152
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE XXVIII
PLATE XXIX.
Page.
Fig. 1. SCLEROPTERIS ELUPTICA, Sp. nov................................................... 151
1. nbsp;nbsp;nbsp;Upper portion of a compound pinna or of the frond, slightly restored............. 151
1. Pinnules magnified........................-................................... 151
Fig. nbsp;nbsp;nbsp;2.nbsp;nbsp;nbsp;nbsp;Angiofteridiumnbsp;nbsp;nbsp;nbsp;nervosum, sp.nov............................................ 114
2. nbsp;nbsp;nbsp;Fragment of a iiinnule.......................................................... 114
2quot;. Portion of 2 slightly magnified, showing typical nervation....................... 114
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Angiofteridiumnbsp;nbsp;nbsp;nbsp;ellipticum, sp. nov........................................... 114
3. nbsp;nbsp;nbsp;Entire detached pinnule......................................................... 114
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Angiofteridiumnbsp;nbsp;nbsp;nbsp;densinervb, sp. nov........................................... 115
4. nbsp;nbsp;nbsp;Small fragment of a pinnule.................................................... 115
4'*. Portion of 4 magnified.....................-.................................... 115
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;Angiofteridiumnbsp;nbsp;nbsp;nbsp;pachypiiyli.um, sp. nov....................................... 115-
5. nbsp;nbsp;nbsp;Fragment of a pinnule.......,.................................................. 115
Figs. 6,7. Angiofteridium ovatum, sp. nov.............................................. 115
6. nbsp;nbsp;nbsp;Basal portion of a pinnule...................................................... 115
7. nbsp;nbsp;nbsp;Terminal portion of a pinnule................................................... 115
Figs. 8,9. Angiofteridium strictimerve, sp. nov......................................... 116
8. nbsp;nbsp;nbsp;Portion of pinnule showing nerves.............................................. 116
8A Portion of 8 enlarged........................................................... 116
9. nbsp;nbsp;nbsp;Portions of the frond with pinnules attached................................... 116
PLATE XXX.
Page.
Figs. 1,5. Angiopthridium stkictinerve, var. latifoliüm, sp. nov........................ 116
1. nbsp;nbsp;nbsp;Two-detached pinnules.......................................................... 116
5. nbsp;nbsp;nbsp;Fragment of a larger pinnule.................................................... 116
Figs. 2,3. Anomozamitbs angustifobius, sp. uov.......................................... 167
2. nbsp;nbsp;nbsp;Tip of a leaf collected by Meek at Baltimore..................................... 167
3. nbsp;nbsp;nbsp;Fragment of the middle portion of a leaf......................................... 167
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Anomozamites Vikginicus, sp. nov............................................. 168
4. nbsp;nbsp;nbsp;Fragment of a large leaf......................................................... 168
Figs. 6,7. Angioptekidipm dbntatem, sp. nov............................................. 117
6. nbsp;nbsp;nbsp;Fragments of several detached pinnules, arranged as if coming off from a common
petiole........................................................................ 117
6, 6. Different forms of teeth magnified................................................ 117
6'. Tip of a pinnule magnified to show the form of the teeth at the end of the pinnales. 117
7. nbsp;nbsp;nbsp;A fragment of the end of a pinnule....... 117
Fig. nbsp;nbsp;nbsp;8.nbsp;nbsp;nbsp;nbsp;Plata'pterigiuai densinerve, sp. nov........................................... 169
8. nbsp;nbsp;nbsp;Fragment of the lower part of a leaf seen with the under side uppermost......... 169
PLATE XXXI,
Page.
Figs. 1,4. Platyptekigium densinkrve, sp. nov............................................ 169
1. nbsp;nbsp;nbsp;Portion of the middle part of a large leaf seen with the upper surface uppermost ..nbsp;nbsp;nbsp;nbsp;169
4. Portion of a petiole with the lower surface uppermost............................ 169
Fig. 2. Platyptekigium Eogersianum, sp. nov......................................... 171
2. nbsp;nbsp;nbsp;Portion of the lower part of the leaf.............................................. 171
Fig. 3. Anomozamites Vikginicus, sp. nov............................................. 168
3. nbsp;nbsp;nbsp;Portion of a leaf................................................................. 168
m w
PLATE XXXII.
Page.
Figs. 1,2. Plviypteiugium dbnsinervb, sp. nov.......................................... 169
1. nbsp;nbsp;nbsp;Portion of the louver part of a leaf of large size.................................. 169
1 Portion of 1 slightly enlarged to show the nerves................................. 169
2. nbsp;nbsp;nbsp;Portion of the lower part of a leaf, showing a segment at a, triangular in shape...nbsp;nbsp;nbsp;nbsp;169
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE XXXII
PLATE XXXIIT.
Page.
Fig. 1. Platypterigium densinerve, sp. ................................................ 1()9
1. nbsp;nbsp;nbsp;Portion of a large leaf seen with upper surface uppermost, aud showiug ridges on the
margin of the midrib.............................................................. 169
1». Portion of 1 magnified to show the nerves .................................-........ 169
Pig. 2. Platypterigium Rogersianum, sp. nov............................................ 171
2. nbsp;nbsp;nbsp;Fragment of the middle (?) portion of a large leaf.................................... 171
PLATE XXXIV.
Page.
Fig. 1. Platypterigium dknsinerve, sp. nov.............................................. 169
1. nbsp;nbsp;nbsp;Portion of the leaf, showing the upper surface....................................... 169
Fig. 2. Platypterigiüm Eogersianum, sp. nov............................................ 171
2. nbsp;nbsp;nbsp;Portion of the leaf, showing segments................................................ 171
Fig. 3. Thyrsoptbhis brbvipennis, sp. nor................................................ 124
3. nbsp;nbsp;nbsp;Upper part of a compound pinna or of the frond..................................... 124
3quot;. Pinnule of 3 magnified.............................................................. 124
Fig. 4. Sphenopteris acrodentata, sp. nov............................................... 90
4. nbsp;nbsp;nbsp;Portion of a compound pinna or of the frond......... .............................. 90
4. Pinnule of 4 magnified.............................................................. 90
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE XXXIV
MOSS ENQ. CO., N. Y.
\ y «V»- nbsp;nbsp;nbsp;'
Page.
Figs. 1,2. Platypterigium densinekvb, sp. nov........................................... 169
1. nbsp;nbsp;nbsp;Portion of a leaf, showing the under surface...................................... 169
2. nbsp;nbsp;nbsp;Portion of a very wide leaf...................................................... 169
Figs. 3-5. Sphenoptkris latiloba, sp. nov................................................ 90
3. nbsp;nbsp;nbsp;End of a compound pinna................................. 90
3. Pinnule magnified............................................................... 90
4. nbsp;nbsp;nbsp;Portion of a compound pinna, showing some variation from the normal forms...... nbsp;nbsp;nbsp;90
4. Pinnule of 4 magnified........................................................... 90
5. nbsp;nbsp;nbsp;Tip of a compound pinna........................................... 90
u. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE XXXV
¦~l
MOSS ENQ, CO.. N. V,
MON XV-29
I ¦ 'X
-'I
Page.
Fig.
1. Cladophlbbis brevipbnnis, sp. nov............................................. 81
1. nbsp;nbsp;nbsp;Small fragment of a compound pinna............................................. 81
1. Pinna of 1 magnified............................................................. 81
Fig.
2. nbsp;nbsp;nbsp;Thyrsopteris brbvipennis, sp. nov............................................ 124
2. nbsp;nbsp;nbsp;Upper part of a compound pinna................................................. 124
2. Pinnule of 2 magnified........................................................... 124
Fig.
3. nbsp;nbsp;nbsp;Thyrsopteris alata, sp. nov................................................... 124
3. nbsp;nbsp;nbsp;Portion of a compound pinna.................................................... 124
3. Pinnnle of 3 magnified........... ............................................... 124
Figs. 1-9. Sphenopteris latii.oba, sp. nov................................................ 90
4. nbsp;nbsp;nbsp;Tip of an ultimate pinna......................................................... 90
5. nbsp;nbsp;nbsp;Upper part of a fiexuous compound pinna......................................... 90
5. Pinnule from the lower part of 5 magnified....................................... 90
6. nbsp;nbsp;nbsp;Portion of frond or compound pinna, showing opposite compound pinnse, pinnules
mostly entire....................... 90
7. nbsp;nbsp;nbsp;Upper part of a compound pinna................................................. 90
7. Lower pinnule of nbsp;nbsp;nbsp;7nbsp;nbsp;nbsp;nbsp;magnified.................................................... 90
7'gt;. Upper pinnule of nbsp;nbsp;nbsp;7nbsp;nbsp;nbsp;nbsp;magnified.................................................... 90
8. nbsp;nbsp;nbsp;Portion of a compound pinna, showing stoutness of rachis and remoteness of pinn®
and pinnules.................................................................. 90
9. nbsp;nbsp;nbsp;Upper part of a compound pinna................................................. 90
PLATE XXXVII
Page.
Fig. 1. Sphenopteuis latieoba, sp. nov................................................. 90
1. nbsp;nbsp;nbsp;Summit of a compound pinua from Deep Bottom.................................. 90
Figs. 3,4. Tiiyksopteeis nervosa, sp. nov................................................. 132
2. nbsp;nbsp;nbsp;Fragments of a large compound pinna or of the frond.............................. 122
2'^. Pinnule magnified...........................................-..................... 122
4. nbsp;nbsp;nbsp;Upper part of a pinna................................................. .......... 122
4. Pinnule magnified............................................................... 122
Figs. 3,9. Thyrsopteeis brevipennis, sp. nov............................................. 124
3. nbsp;nbsp;nbsp;Fragment of a compound pinna from Deep Bottom................................ 124
9. Fragment from the top of a compound pinna, collected by Meek at Baltimore...... nbsp;nbsp;nbsp;124
Figs. 5-8. Thyrsopteris divaricata, sp. nov............................................. 125
5. nbsp;nbsp;nbsp;Summit of a compound pinna or of a frond....................................... 125
6. nbsp;nbsp;nbsp;Upper portion of a compoundnbsp;nbsp;nbsp;nbsp;pinna or a frond.................................... 125
6. Lower pinnule of 6 magnified..................................................... 125
fi*quot;. Upper pinnule of 6 magnified..................................................... 125
7. nbsp;nbsp;nbsp;Fragment of a compound pinna.................................................. 125
7. Pinnule of 7 magnified........................................................... 125
8. nbsp;nbsp;nbsp;Upper part of a compound pinna or of a frond..................................... 135
PLATE XXXVin.
Page.
Fig. ]. Thyrsopteris brevipennis, sp. nov........................................... 124
1. nbsp;nbsp;nbsp;Portion of a compound primary pinna or of the frond........................... 124
1. A lower pinnule of 1 magnified.................................................. 124
1'. Upper pinnule magnified.......................................... 124
Figs. 2-4,8. Thyrsoptkris Meekiana, sp. nov.............................................. 125
2. nbsp;nbsp;nbsp;Portion of a primary pinna or of the frond............ 12.'5
2'*. Lower pinnule of 2 magnified................................................... 125
2'. Upper pinnule magnified......... 125
3. nbsp;nbsp;nbsp;Portion of the upper part of the frond........................................... 125
3. Pinnule magnified........................................... 125
4. nbsp;nbsp;nbsp;Upper part of a compound pinna............................................... 125
4. Pinnule magnified............................................................. 125
8. nbsp;nbsp;nbsp;Upper part of a compound pinna............................................... 125
Figs. 5-7,9. Thyrsopteris Meekiana, var. angustiloba, sp. nov.......................... 126
5. nbsp;nbsp;nbsp;Portion of a compound pinna.................................................. 126
5^ Pinna magnified...........-................................................... 126
6. nbsp;nbsp;nbsp;Portion of a small compound pinna............................................ 126
7. nbsp;nbsp;nbsp;Upper part of an ultimate pinna............................................... 126
9. nbsp;nbsp;nbsp;Portion from near the end of an ultimate pinna.............................. 126
9. Pinnule magnified............................................. 126
PLATE XXXIX.
Page.
Pigs. nbsp;nbsp;nbsp;1,2.nbsp;nbsp;nbsp;nbsp;Tiiyrsopteris ckenata, sp. uov.......... 127
1. nbsp;nbsp;nbsp;Upper portion of a primary pinna, or of the frond, slightly restored................ 127
1. nbsp;nbsp;nbsp;Lower pinnule magnified................................................. 127
2. nbsp;nbsp;nbsp;Upper portion of a compound pinna, slightly restored............................. 127
2. nbsp;nbsp;nbsp;Lower pinnule of 2 magnified.................................................... 127
2'. nbsp;nbsp;nbsp;Upper pinnules magnified....................................................... 127
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Tiiyrsopteris densifolia, sp. nov.............................................. 129
3. nbsp;nbsp;nbsp;Upper portion of a compound pinna or of the frond............................... 129
3. nbsp;nbsp;nbsp;Pinnule magnified............................................................... 129
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Tiiyrsopteris insignis, sp. nov................................................ 127
4. nbsp;nbsp;nbsp;Portion of the lower part of the frond or of a largenbsp;nbsp;nbsp;nbsp;compound pinna............... 127
4 nbsp;nbsp;nbsp;Pinnule magnified............................................................... 127
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;Tiiyrsopteris nervosa, .sp. nov................................................ 122
5. nbsp;nbsp;nbsp;Fragment of an ultimate pinna................................. 122
PLATE XL.
Page.
Fig. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;Thyksopteris insignis, sp. nov.................................................. 127
1. nbsp;nbsp;nbsp;Fragment of a compound piuna....................... 127
1. nbsp;nbsp;nbsp;Pinnule magnified, nerves not made ont........... 127
Figs. nbsp;nbsp;nbsp;2-5.nbsp;nbsp;nbsp;nbsp;Thybsoptekis densiforia, sp. nov.............................................. 129
2. nbsp;nbsp;nbsp;Fragment of the frond or of a'primary pinna......... 129
2. nbsp;nbsp;nbsp;Pinnule magnified............................................................... 129
3. nbsp;nbsp;nbsp;Upper part of a compound pinna.............................................. -- nbsp;nbsp;nbsp;129
3. nbsp;nbsp;nbsp;Lower pinnules of 3 magnified................................................... 129
S'*. nbsp;nbsp;nbsp;Upper pinnule magnified........................................................ 129
4. nbsp;nbsp;nbsp;Upper portion of a compound pinna, slightly restored........................... 129
5. nbsp;nbsp;nbsp;Upper part of a compound pinna with flexnousnbsp;nbsp;nbsp;nbsp;rachis............................ 129
Fig. nbsp;nbsp;nbsp;6.nbsp;nbsp;nbsp;nbsp;Thyrsoptekis nervosa, sp. nov................................................. 122
6. nbsp;nbsp;nbsp;Fragments of the upper part of a compound pinna................................ 122
6. nbsp;nbsp;nbsp;Pinnule magnified................................................... 122
PLATE XLI.
Tags.
Figs. 1-3. TnYRsoPTERi.s crassinervis, sp. nov........................................... 130
1. nbsp;nbsp;nbsp;Ujiper part of a compound pinna................................................ 130
1\ Lower pinnule magniiied.............................-...........-.............. 130
Iquot;. Upper pinnule magnified....... ............................... 1.30
2. nbsp;nbsp;nbsp;Part of a compound pinna......................................... 130
2». Lower pinnule of 2 magnified.................................................... 130
2'gt;. Ujiper pinnules of 2 magnified................................................... 130
3. nbsp;nbsp;nbsp;Summit of a long compound pinna............................................... 130
3. Lower pinnule of 3 magnified........................ 130
S'*. Upper pinnule of 3 magnified.................................................... 1.30
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Thyrsopteris brevipennis, so. no 7............................................ 124
4. nbsp;nbsp;nbsp;Fragment of a compound pinna...................................... ........... 124
4. Pinnule of 4 magnified.......................................................... 124
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;OsMüNDA Dicksonioides, sp. nov............................................... 146
5. nbsp;nbsp;nbsp;Small fragment from the uppernbsp;nbsp;nbsp;nbsp;part of a compound pinna........................ 146
5. Pinnule magnified......................................... 146
Fig. nbsp;nbsp;nbsp;6.nbsp;nbsp;nbsp;nbsp;Thyrsopteris insignis, .sp. nov................................................. 127
6. nbsp;nbsp;nbsp;Fragments of a large primary pinna or of the frond.............................. 127
' 6. Pinnule magnified.............................................................. 127
PLATE XLII.
Page.
Figs. 1,2,4. Thyrsopteris insignis, sp. nov............................................... 127
1. nbsp;nbsp;nbsp;Fragment of a large compound pinna, or of the frond, slightly restored.......... 127
2. nbsp;nbsp;nbsp;Fragment of a compound pinna................................................ 127
2. Pinnule of 2 magnified........................................................ 127
4. Portion of the upper part of a compound pinna...................... ......... 127
4. Pinnule of 4 enlarged......................................................... 127
Fig. nbsp;nbsp;nbsp;3. Thyrsopteris insignis, var. angustipennis, sp. nov........................... 128
3. nbsp;nbsp;nbsp;Portion of a compound pinna.................................................. 128
3. Lower pinnule of 3 magnified.................................................. 128
S'. Upper pinnule magnified...................................................... 126
PLATE XLIII.
Figs. 1,3. Tiiyrsopteris insignis, sp. nov......................
1. nbsp;nbsp;nbsp;Tip of an ultimate pinna.............................
3. Portions of a compound pinna or of the frond........
Fig. 2. Tiiyrsopteris insignis, var. angustipbnnis, sp. nov
2. nbsp;nbsp;nbsp;Portions of two ultimate pinnas......................
2quot;. Pinnule magnified...................................
Figs. 4-6. Tiiyrsopteris rarinehvis, sp. nov.................................
4. nbsp;nbsp;nbsp;Upper part of an ultimate pinna....................................
4. Pinnules magnified....................................................
5. nbsp;nbsp;nbsp;Upper part of a compound pinna, showing pinnules reduced to lobes.
6. nbsp;nbsp;nbsp;Portion of an ultimate pinna........................................
6. Pinnule magnified i.................................................
7. nbsp;nbsp;nbsp;Tiiyrsopteris dbcurrens, sp. nov.................................
7. Fragment of a compound pinna.....................................
7. Pinnule magnified..................................................
Fig.
Fig.
8. Tiiyrsopteris Meekiana, var. angustiroba, sp. nov .
8. Fragment of a compound pinna.......................
8°-. Lower pinnule of 8 magnified.........................
S'*. Upper pinnule magnified..............................
Page.
127
127
127
128 128nbsp;128
123
123
123
123
123
123
130
130
130
126
126
126
126
PLATE XLIV.
MON XV-30
Page.
Figs. 1,2,5. Thyksopteris rarinervis, sp. nov............................................ 123
1. nbsp;nbsp;nbsp;Upper part of a compound piuua slightly restored.............................. 123
1. Piuuule of 1 magniüed ........................................................ 123
2. nbsp;nbsp;nbsp;Portion of a primary pinna, or of the frond, slightly restored................... 123
5. Fragment of a compound pinna................................................ 123
5. Pinnule of 5 magnified........................................................ 123
Fig. 3. Tiiyrsopteris Meekiana, var. angustiloba, sp. nov.......................... 126
3. nbsp;nbsp;nbsp;Fragments of compound pinme............. ................................... 126
Fig. 4. Thyrsopteris angustifolia, sp. nov..................................r....... 131
4. nbsp;nbsp;nbsp;Upper part of a compound pinna............................................... 131
PLATE XLV.
Page.
Figs. 1,2,4,5. Thyrsopteris micropiiylla, sp. iiov...................................... 131
1. nbsp;nbsp;nbsp;Portion of a large primary pinna, or of tlio frond,nbsp;nbsp;nbsp;nbsp;slightly restored............ 131
1. Upper ultimate pinna or pinnule magnified........................ .......... 131
I*quot;. Portion of a lower ultimate pinna magnified.................................. 131
2. nbsp;nbsp;nbsp;Upper part of a compound pinna, with the pinnulesnbsp;nbsp;nbsp;nbsp;reduced tonbsp;nbsp;nbsp;nbsp;lobes.......... 131
2. Lower pinnule magnified.................................................... 131
4. nbsp;nbsp;nbsp;Several detached upper ultimate pinniE....................................... 131
4. Pinnules magnified.......................................................... 131
5. nbsp;nbsp;nbsp;Portion of a small upper ultimate pinna, with thenbsp;nbsp;nbsp;nbsp;pinnules reduced to lobes...nbsp;nbsp;nbsp;nbsp;131
5. Pinnules or lobes magnified.................................................. _ nbsp;nbsp;nbsp;131
Fig. nbsp;nbsp;nbsp;3. Thyrsopteris angustipolia, sp. nov . ..................................... 131
3. nbsp;nbsp;nbsp;Upper part of a compound pinna or of the frond.............................. 131
3*. Pinnule magnified..................................................... 131
PLATE XLYI.
Page.
Fig. 1. Thyksopteris klliptica, sp. rov................................ ............... I;i3
1. nbsp;nbsp;nbsp;Fragments of several compound pinnue, shovring apparently a palmate mode of
branching........... 133
1. nbsp;nbsp;nbsp;Pinnules of 1 magnified......................................................... 133
Figs. 2,4. nbsp;nbsp;nbsp;Thyksopteris decurrens, sp. nov......... 130
2. nbsp;nbsp;nbsp;Portion of a compound pinna.................................................... 130
2. Portion of 2 magnified.......................................................... 130
4. nbsp;nbsp;nbsp;Upper part of a compound pinna................................................ 130
Figs. 3,5. nbsp;nbsp;nbsp;Thyksopteris pachyrachis, sp. nov............................................ 132
3. nbsp;nbsp;nbsp;Upper part of a large primary pinna, ornbsp;nbsp;nbsp;nbsp;of the frond, slightly restored............ 132
3. nbsp;nbsp;nbsp;Pinnule magnified......... 132
5. nbsp;nbsp;nbsp;Small fragment of a compound pinna............................................. 132
PLATE XLVII.
Page.
Figs. 1,2. Tiiyrsopteeis pachyrachis, sp. nov............................................ 132
1. nbsp;nbsp;nbsp;Two compouucl pinnae of a primary pinna or of the frond.......................... 132
1. Lower pinnule of 1 magniöed.................................................... 132
I**. Upper pinnule of 1 magnified................................................... 132
2. nbsp;nbsp;nbsp;Fragments of two ultimate pinnae................................................ 132
2». Pinnule of 2 magnified........................................................... 132
Fig. 3. Thyrsoptkris distans, sp. nov.................................................. 134
3. nbsp;nbsp;nbsp;Portion of a large compound pinna or ofnbsp;nbsp;nbsp;nbsp;thenbsp;nbsp;nbsp;nbsp;frond................................ 134
3». Upper pinna of 3, when changed to pinnules, nbsp;nbsp;nbsp;magnified .......................... 134
Fig. 4. Thyrsopteeis Meekiana, var. angustiloba, sp. nov............................ 126
4. nbsp;nbsp;nbsp;Fragments of the upper part of a compound pinna.....¦.......................... 126
4. Pinnule magnified.............................................................. 126
PLATE XLYIII.
Page.
Fig. 1. Thyrsopteris Meekiana, var. angustilora, sp. nov............................ 126
1. nbsp;nbsp;nbsp;Portions of two compound pinnae................................................. 126
1. Ultimate pinna magnified.........................1.............................. 126
Fig. 2. Thyrsopteris angustifolia, sp. nov........................................... 131
2. nbsp;nbsp;nbsp;Fragment of a compound pinna or of the frond................................... 131
Figs. 3-5. Thyrsopteris angustiloba, sp. nov............................................. 134
3. nbsp;nbsp;nbsp;Summit of a primary pinna, or of the frond, slightly restored..................... 134
3». Pinnule magnified............................................................... 134
4. nbsp;nbsp;nbsp;Fragments of the upper part of a compound pinna or of the frond................. 134
4. Pinnule of 4 magnified. .......................................................... 134
5. nbsp;nbsp;nbsp;Fragments of ultimate pinnae.................................................. 134
5. Pinnule of 5 magnified........................................................... 134
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE XLVIll
PLATE XLIX.
Page.
Fig. 1. Thyksopteris pachyeachis, sp. ................................................ 132
1. nbsp;nbsp;nbsp;Fragment of a compound pinna or of the frond................................... 132
1. Ultimate pinna magnified........................................................ 132
Fig. 2. Thyesopteris raeinkeyis, sp.nov............................................... 1lt;13
2. nbsp;nbsp;nbsp;Portion of a primary pinna or of the frond........................................ 123
2. Lower pinnule of 2 magnified..................................................... 123
2''. Upper pinnule magnified......................................................... 123
Figs. 3,4. Thyesopteris angustifolia, sp.nov............................................. 131
3,4. Fragments of compound pinnae................................................... 131
Figs. 5-7. Thyesopteris dbcürrbns, sp.nov............................................... 130
5. nbsp;nbsp;nbsp;Fragment of the summit of a compound pinna................................... 130
5. Ultimate pinna magnified............... 130
6. nbsp;nbsp;nbsp;Fragments of a compound pinna................................................. 130
6. Pinnule magnified............................................................... 130
7. nbsp;nbsp;nbsp;Fragment of the upper part of an ultimate pinna................................. 130
PLATE L.
Page.
Figs. 1,2. Sphenoptbkis Mantblli Brongn................................................ 91
1. nbsp;nbsp;nbsp;Portions of compound pinnse..................................................... 91
1. Pinnule magnified.......................................................-....... 91
2. nbsp;nbsp;nbsp;Fragment of a compound pinna, or of the frond, showing a form with narrower
pinnules and lobes............................................................. 91
2. nbsp;nbsp;nbsp;Pinnule magnified............................................................... 91
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Tiiyrsopteris pachypiiylea, sp. nov........................................... 135
3. nbsp;nbsp;nbsp;Small fragment of the tip of an ultimate pinna................................... 135
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Sphenoptkris spatulata, sp. nov................ 93
4. nbsp;nbsp;nbsp;Small fragment of an ultimate pinna............................................. 93
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;Sphenopteris pachypiiylla, sp. nov........................................... 93
5. nbsp;nbsp;nbsp;Small fragment of a compound pinna............................................ 93
5. nbsp;nbsp;nbsp;Ultimate pinna magnified...................................... 93
Figs. nbsp;nbsp;nbsp;G, 9.nbsp;nbsp;nbsp;nbsp;Thyrsoptbris blliptica, sp. nov............................................... 133
6. nbsp;nbsp;nbsp;Fragments of detached compound pinnse......................................... 133
6. nbsp;nbsp;nbsp;Pinnules magnified.............................................................. 133
9. nbsp;nbsp;nbsp;Portion of the upper part of a compound pinna........... 133
Figs. nbsp;nbsp;nbsp;7,8.nbsp;nbsp;nbsp;nbsp;Thyrsoptbris Meekiana, sp. nov............................................... 125
7. nbsp;nbsp;nbsp;Portion of the upper part of a compound pinna................................... 125
7\ nbsp;nbsp;nbsp;Pinnule magnified............................................................ 125
8. nbsp;nbsp;nbsp;Upper portion of a long compound pinna............................ .-------... nbsp;nbsp;nbsp;125
PLATE LI,
Page-
Fig. nbsp;nbsp;nbsp;1. Thyrsopteris pecoptbroides, sp. nov........................................ 135
1. Portion of a compound pinna................................................. 135
1, 1*. Pinnules of 1 magnified ............................. ......................... 135
Fig. nbsp;nbsp;nbsp;3. Thyrsopteris pinnatieida, sp. uoy.......................................... 136
3. Portion of a large compound pinna, sliglitly restored........................... 136
Fig. ' 3. Thyrsopteris Meekiana, sp. nov............................................. 135
3. nbsp;nbsp;nbsp;Upper part of a compound pinna............................................... 125
3». Pinnule of 3 magnified......................................................... 135
Figs. 4, 6,7. Thyrsopteris elliptica, sp. nov............................................ 133
4. nbsp;nbsp;nbsp;Small fragment of a compound pinna.......................................... 133
6. nbsp;nbsp;nbsp;Fragment of a laige primary pinna, or of the frond, slightly restored........... 133
6. Lower pinnules of 6 inaguifled................................................. 133
6*. Upper iiinniile magnified...................................................... 133
7. nbsp;nbsp;nbsp;Fragment from the upper part of a compound pinna.......................... 133
Fig. 5. Thyrsopteris densipolia, sp. nov........................................... 129
5. nbsp;nbsp;nbsp;Upper part of a compound pinna.............................................. 129
MON XV-31
Page.
Fig. 1. Tiiyrsoptbkis hetekomorpha, sp. nov........................................... 136
1. nbsp;nbsp;nbsp;This represents what seems to be the entire frond radiating from the top of the stipe. 136
1. Lower pinnule of 1 magnified..................................................... 136
I*quot;. Upper pinnule magnified......................................................... 136
Figs. 2-4. Thyrsoptkris varians, sp. nov................................................. 137
2. nbsp;nbsp;nbsp;Summit of a compound pinna, slightly restored.................................... 137
2. Pinnule of 2 magnified........................................................... 137
3. nbsp;nbsp;nbsp;Portion of a lower compound pinna, slightly restored.............................. 137
4. nbsp;nbsp;nbsp;Portion of a lower compound pinna............................................... 137
4. Pinnule magnified............................................................. nbsp;nbsp;nbsp;137
Fig. 5. Tiiyrsopteris riiombifolia, sp. nov............................................. 138
5. nbsp;nbsp;nbsp;Portions of compound jiinn®, apparently radiating from a common point, as in a frond
palmately divided.............................................................. 138
5». Ultimate pinna from the lower portion of a compound pinna magnified............ 138
Upper pinna of the same magnified............................................... 138
PLATE LUI.
Page.
Figs, 1-3. Thyrsopteris varians, sp. ....................................................
1. nbsp;nbsp;nbsp;Portions of a compound pinna from the upper part of the frond, slightly restored ..nbsp;nbsp;nbsp;nbsp;137
1». Pinnule magnified............................................................... 137
2. nbsp;nbsp;nbsp;Portion of a compound pinna from the upper part of the frond................... 137
2. Pinnule magnified............................................................... 137
3. nbsp;nbsp;nbsp;Portions of a compound pinna from the lower part of the frond................... 137
3. Pinnules magnified.............................................................. 137
S'*. Tip of a pinna magnified........................................-................ 137
Fig. 4. Thyrsopteris heteroloba, sp. nov............................................. 139
4. nbsp;nbsp;nbsp;Portion of a compound pinna, slightly restored.................................... 139
4. Pinnules magnified...............................................-.............. 139
Fig. 5. Thyrsopteris Bella, sp. nov................................................... 139
5. nbsp;nbsp;nbsp;Fragment of the upper part of a compound pinna................................ 139
5. Ultimate pinna of fimagnified............................................. 139
U. S. GEÓLOGtCAL SURVËV
MONOGRAPH XV PLATE Lllf
PLATE LIY.
Page.
Fig. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;Tiiyksoptkris rhombifclia, sp. nov.......................................... 138
1. nbsp;nbsp;nbsp;Upper part of a compound pinna, dififei iug in some respects from the normal form
of T. rhomhifoKa............................................................. 138
1 Ultimate lower pinna magnified.............................................. 138
I**. Ultimate upper pinna magnified............................................... . nbsp;nbsp;nbsp;13f)
Figs. 2,11. Tiiyrsoptbris Meekiana, var. angustiloha, nbsp;nbsp;nbsp;sp.nbsp;nbsp;nbsp;nbsp;nov........... 126
2. nbsp;nbsp;nbsp;Small fragment of the upper part of anbsp;nbsp;nbsp;nbsp;compound piuna......................... 126
2. Pinnule magnified............................................................. 126
11. Small fragment of a compound pinna nbsp;nbsp;nbsp;....................... 126
11quot;'. Pinnule magnified............................................................. 126
Figs. nbsp;nbsp;nbsp;3,9.nbsp;nbsp;nbsp;nbsp;Aspidium Dokkeri Schimper, sp.............................................. 101
3. nbsp;nbsp;nbsp;Fragment of an upper ultimate pinna............ 101
3'*. Pinnules maguified............................................................ 101
9. Fragment of an upper ultimate pinna......................................... 101
9. Pinnules magnified............................................................ 101
Figs. 4, 5, 7. Thyrsopteris pinnatifida, sp. nor........................................... 136
4. nbsp;nbsp;nbsp;Fragment of a lower compound pinna......................................... 136
5. nbsp;nbsp;nbsp;Portion of an upper compound piuna........................................... 136
7. nbsp;nbsp;nbsp;Upper part of a compound pinna, slightly restored..................... 136
7quot;'. Lower ultimate pinna magnified...........-................................... 136
7'i. Upper pinna magnified........ 136
Fig. nbsp;nbsp;nbsp;6.nbsp;nbsp;nbsp;nbsp;Thyrsopteris elliptica, sp. nov.............................................. 133
6. nbsp;nbsp;nbsp;Fragment of a compound pinna or of the frond................................. 133
Fig. nbsp;nbsp;nbsp;8.nbsp;nbsp;nbsp;nbsp;Thyrsopteris histans, sp. nov......................................... 134
8. nbsp;nbsp;nbsp;Upper part of a compound pinna........................................... nbsp;nbsp;nbsp;134
8. Pinnule of 8 magnified......................................................... 134
Fig. nbsp;nbsp;nbsp;10.nbsp;nbsp;nbsp;nbsp;Thyrsopteris VARiANS, sp. nov............................................... 137
10. Upper part of a compound pinna, showing unusually narrow and remote pinnules ........................................................................ 131
10. Pinnules of 10 magnified............................................-.......... 137
U. S. GEOLOGICAL SURVEY
JvlONOGRAPH XV PLATE LIV
PLATE LV
Fig. 1. ThYHSOPTERIS MEEKIANA, var. ANGU8TILOBA, sp. nov............
1. nbsp;nbsp;nbsp;Summit of a compouud piuna...................................
1 Pinnule magnified..............................................
1*. Upper pinna magnified.........................................
Fig. 2. Thyrsopteris angustifolia, sp. nov..........................
2. nbsp;nbsp;nbsp;Upper part of a compound pinna or of the frond............. -
2. Lower pinnule magnified.......................................
Fig. 3. Thyrsopteris angustiloba, sp. nov...........................
3. nbsp;nbsp;nbsp;Portions of compound pinnae....................................
3. Lower pinnule magnified.......................................
3gt;gt;. Upper pinnule magnified.......................................
Fig. 4. Thyrsopteris ebliptica, sp. nov..............................
4. nbsp;nbsp;nbsp;Summit of a compound pinna...................................
Fig. 5. Thyrsopteris microloba, var. alata, sp. nov.................
5. nbsp;nbsp;nbsp;Upper part of a compound primary piuna or of the frond.......
5. Lower pinnule magnified.......................................
S'*. Upper pinna magnified.........................................
Figs. 6, 7. Thyrsopteris Bella, sp. nov.................................
6. nbsp;nbsp;nbsp;Upper part of a primary pinna, or of the frond, slightly restored.
(). Lower pinnule magnified.......................................
7. nbsp;nbsp;nbsp;Upper part of an ultimate pinna................................
7°. Several pinnules magnified.....................................
Page.
126
126
126
126
131
131
131
134
134
134
134
133
133
140
140
140
140
139
139
139
139
139
PLATE LYI.
Page.
Figs. nbsp;nbsp;nbsp;1,3.nbsp;nbsp;nbsp;nbsp;Thyrsopteris Meekiana, var. angustieoba, sp. nov............................ 126
1. nbsp;nbsp;nbsp;Portions of compound plunaj..................................................... 126
3. nbsp;nbsp;nbsp;Upper part of a compound jiiniia......:...................................... 126
P'iGS. nbsp;nbsp;nbsp;2,5.nbsp;nbsp;nbsp;nbsp;Thyrsopteris Bella, sp. nov................................................. 139
2. nbsp;nbsp;nbsp;Summits of detaelied ultimate pinna)............. 139
2. nbsp;nbsp;nbsp;Pinnule magnified............................................................... 139
5. nbsp;nbsp;nbsp;Fragments of a primary pinna or of the frond................................ 139
Figs. nbsp;nbsp;nbsp;4,8.nbsp;nbsp;nbsp;nbsp;Thyrsopteris naya, sp. nov.................................................... 141
4. nbsp;nbsp;nbsp;Small fragment of a compound pinna..... ....................................... 141
8. Upper part of a compound pinna................................-................ 141
8. nbsp;nbsp;nbsp;Lower pinnule of a pinna, magnified ............................................ 141
8L nbsp;nbsp;nbsp;Pinnule from the middle of a pinna, magnified................................... 141
8'. nbsp;nbsp;nbsp;Pinnule from the terminal portion of a pinna, magnified.......................... 141
Figs. nbsp;nbsp;nbsp;6,7.nbsp;nbsp;nbsp;nbsp;Thyrsopteris elliptica, sp. nov.................. 133
6. nbsp;nbsp;nbsp;Portion of the frond showing the stipe in part.................................... 133
6». nbsp;nbsp;nbsp;Pinnule magnified, nerves not seen.............................................. 133
7. nbsp;nbsp;nbsp;Fragments of compound piunse............................-...................... 133
PLATE LVII.
Page.
Figs. 1,5. Thyesoptkris bblla, sp. nov nbsp;nbsp;nbsp;...'............................................... 139
1. nbsp;nbsp;nbsp;Fragments of a primary jiinuanbsp;nbsp;nbsp;nbsp;or of the frond.................................... 139
1. Ultimate upper pinna magnified, nerves not seen................................. 139
5. nbsp;nbsp;nbsp;Fragments of a primary pinnanbsp;nbsp;nbsp;nbsp;or of the frond.................................... 139
5. nbsp;nbsp;nbsp;Upper pinna magnified.................................... 139
Fig. nbsp;nbsp;nbsp;2.nbsp;nbsp;nbsp;nbsp;Thyrsopteris varians, sp. nov................................................. 137
2. nbsp;nbsp;nbsp;Portion of a compound pinna.................................................... 137
2. nbsp;nbsp;nbsp;Pinnule magnified, nerves not made out.......................................... 137
Fig. nbsp;nbsp;nbsp;3,8.nbsp;nbsp;nbsp;nbsp;Thyrsopteris in^equipinnata, sp. nov.......................................... 142
3. nbsp;nbsp;nbsp;Terminal portion of a very long and slender ultimate pinna....................... 142
8. nbsp;nbsp;nbsp;Upper part of a compound pinna............................ 142
8. nbsp;nbsp;nbsp;Lower pinnule magnified....................................................... 142
S'quot;. nbsp;nbsp;nbsp;Upper pinnule magnified........................................................ 142
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Thyrsopteris microloba, sp. nov............................................... 140
4. nbsp;nbsp;nbsp;Portion of a primary pinna or of the frond, slightly restored...................... 140
4. nbsp;nbsp;nbsp;Ultimate pinna magnified............... 140
Fig. nbsp;nbsp;nbsp;6.nbsp;nbsp;nbsp;nbsp;Thyrsopteris blliptica, sp. nov............................................... 133
6. nbsp;nbsp;nbsp;Portion of the upper part of a compound pinna................................... 133
6. nbsp;nbsp;nbsp;Pinnule magnified............................................................... 133
Fig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;Thyrsopteris pimnatifida, sp. nov................. 136
7. nbsp;nbsp;nbsp;Portion of a compound pinna.................................. 136
7, nbsp;nbsp;nbsp;Pinnule magnified............................................................... 136
PLATE LVIII.
Page.
Fig. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;Thyrsoptkrisnbsp;nbsp;nbsp;nbsp;microloba, var. alata, sp. nov.................................. 140
3. Upper part of a primary pinna ornbsp;nbsp;nbsp;nbsp;of the frond................................... 140
!¦. Pinnules magnified............................................................. 140
Fig. nbsp;nbsp;nbsp;2.nbsp;nbsp;nbsp;nbsp;Tiiyrsopterisnbsp;nbsp;nbsp;nbsp;elliptica, sp. nov.............................................. 133
2. nbsp;nbsp;nbsp;Fragment of a compound pinna............................................ .... 133
2. Pinnule magnified.....................-....................................... 133
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Tiiyrsopterisnbsp;nbsp;nbsp;nbsp;iieterophylla, sp. nov......................................... 142
3. nbsp;nbsp;nbsp;Small fragment of the upper partnbsp;nbsp;nbsp;nbsp;of a compound j)inna........................... 142
3. Ultimate pinna magnified......................¦-................................ 142
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Thyrsoptbrisnbsp;nbsp;nbsp;nbsp;belra, sp. nov................................................... 139
4. nbsp;nbsp;nbsp;Portion of the upper part of a compound pinna.................................. 139
4». Pinnule magnified, nerves not made ont.......................................... 139
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;Sphbnoptkrisnbsp;nbsp;nbsp;nbsp;thyrsopteroides, sp, nov.............................. 89
5. nbsp;nbsp;nbsp;Fragment of a compound pinna................................................. 89
5. Pinna magnified................................................................ 89
Fig. nbsp;nbsp;nbsp;6.nbsp;nbsp;nbsp;nbsp;Thyrsoptbrisnbsp;nbsp;nbsp;nbsp;sphbnopteroides, sp, nov....................................... 143
6. nbsp;nbsp;nbsp;Portion of a compound pinna..........................-..........-.............. 143
6», Lower pinnule magnified .........................................-............ 143
6''. Upper pinnule magnified....................................................... 143
Figs. 7, 10. Tiiyrsopteris oiitusiloba, sp. nov............................................. 143
7. nbsp;nbsp;nbsp;Portion of a com])ound jiinna.......... 143
7. Pinnule from the lower part of a penultimate pinna.............................. 143
7gt;gt;. Pinnule from the middle of 7.................. 143
7r. Pinnule from the summit of 7, all in.Tgnified...................................... 143
10. The summit of a compound pinna................................................ 143
10». Ultimate pinna magnified....................................................... 143
Fig. nbsp;nbsp;nbsp;8. Thyrsoptbris angustipolia, sp. nov.......................................... 331
8. nbsp;nbsp;nbsp;Portion of a compound pinna................................................... 131
8. Pinna or a pinnule magnified ............................................... 133
Fig. nbsp;nbsp;nbsp;9. Osmunda Dicksonioidks, sp. nov.............................................. 140
9. nbsp;nbsp;nbsp;Upper part of a compound pinna................................................ 140
9. Pinnule magnified.............................................................. 146
:v;;
PLATE LIX.
Page.
Figs. 1,4,8,9,11. Osmunda Dicksonioides, sp. nov............. 146
1. nbsp;nbsp;nbsp;Upper part of an ultimate pinna......... 146
1 Pinnule magnified........................................................ 146
4. nbsp;nbsp;nbsp;Upper part of a compound pinna.......................................... 146
4. Pinnule magnified...................................................... 146
8. nbsp;nbsp;nbsp;Fragment of a compound pinna............. 146
8. Ultimate pinna magnified................................................. 146
9. nbsp;nbsp;nbsp;Portion of a compound pinna.............................................. 146
9. nbsp;nbsp;nbsp;Ultimate pinna magnified................................................. 146
11. nbsp;nbsp;nbsp;Summit of a penultimate pinna........................................... 146
11. nbsp;nbsp;nbsp;Ultimate pinna magnified.................. 146
Figs. nbsp;nbsp;nbsp;2,12. Aspidium miceocarpum, sp. nov.......................................... 103
2. nbsp;nbsp;nbsp;Portion of a sterile compound pinna....................................... 103
2. nbsp;nbsp;nbsp;Pinnules magnified........................................................ 103
12. nbsp;nbsp;nbsp;Summit of a fertile compound pinna....................................... 103
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Thyrsopteeis squarrosa, sp. nov........................................ 143
3. nbsp;nbsp;nbsp;Fragment of a compound pinna........................................... 143
3. nbsp;nbsp;nbsp;Pinnules magnified........................ 143
5. nbsp;nbsp;nbsp;Fern in circinate vernation ..... .......................... ........... 143
Figs. nbsp;nbsp;nbsp;6,7.nbsp;nbsp;nbsp;nbsp;Thyrsopteeis rhombiloba, sp. nov.................................. 144
6, 7.nbsp;nbsp;nbsp;nbsp;Fragments of compound pinn®............................................ 144
6. Magnified ultimate pinna of 6............................................. 144
7. Lower pinnule of 7 magnified.............................................. 144
7'gt;. Upper pinnule of 7 magnified............................................. 144
Fig. nbsp;nbsp;nbsp;10.nbsp;nbsp;nbsp;nbsp;Thyrsopteeis retusa, sp. nov........................................... 144
10. nbsp;nbsp;nbsp;Portion of the frond......................................... 144
10. Lower pinnule magnified.................................................. 144
10. Upper pinnule magnified.................................................. 144
10'. Tip of an ultimate pinna magnified........................................ 144
MON XV-32
Page.
Figs. 1, 3. Osmüxda Dicksonioides, var. eatipennis, sp. nov........................... 147
1. nbsp;nbsp;nbsp;Fragment of a large primary pinna or of tbe frond............................ 147
1. Pinnule magnified............................................................ 147
3. nbsp;nbsp;nbsp;Upper part of a compound pinna...... ....................................... 147
3. Ultimate pinna magnified..................................................... 147
Figs. 2.4,5,9. Osmunda Dicksoxioides, sp. ............................................... 146
2. nbsp;nbsp;nbsp;Upper part of a compound pinna......... 146
2\ Ultimate pinna magnified..................................................... 146
4. nbsp;nbsp;nbsp;Summit of a compound pinna.................................................. 146
4. Pinna or pinnule magnified................................................... 146
5. nbsp;nbsp;nbsp;Summit of a fertile compound pinna........................................... 146
5. Pinnule magnified............................................................ 146
9. Portion of a compound xgt;inna......... 146
9quot;. Ultimate pinna magnified..................................................... 146
9'. Tipi of an ultimate pinna magnified........... 146
Figs. nbsp;nbsp;nbsp;6,7. Aspimum mickocaupum, sj). nov............................................. 103
6. nbsp;nbsp;nbsp;Portion of a compound pinna, showing mixed sterile and fertile pinnules ....... 103
6. Fertile pinnules magnified.................................................... 103
6'. Sterile and fertile iiinnules magnified................ 103
7. nbsp;nbsp;nbsp;Portion of a fertile compound pinna, showing the outline of the pinnules only
in the arrangement of the sori.............................................. 103
Fig. nbsp;nbsp;nbsp;8. Thyrsopteris iuiombiloha, sp. nov.......................................... 144
8. nbsp;nbsp;nbsp;Small fragment of a compound pinna.......................................... 144
8\ Pinna or pinnules magnified................................................... 144
PLATE LXI.
Fig.
Fig.
Figs. 1, 3. Osmujtoa Dicksonioides, sp. nov..............................
1. Upper part of a compound pinna...............................
1. Lower pinnule magnified......................................
1. Upper pinnule magnified.......................................
3. Upper part of a compound pinna................................
2. Ultimate pinna magnified........................................
Fig. 3. Osmtjnda Dicksonioides, var. latipbnnis, sp. nov..............
3. nbsp;nbsp;nbsp;Upper portion of a compound pinna.............................
3. Lower pinnules or lobes magnified..............................
3*'. Upper ultimate pinna magnified................................
Figs. 4, 5. Ctenoptkris insignis, sp. nov.................................
4. nbsp;nbsp;nbsp;Portion of an ultimate pinna, with somewhat abnormal pinnules.
4. Pinnule magnified..............................................
5. nbsp;nbsp;nbsp;Tip of an ultimate pinna.......................................
Fig. 6. Undetermined plant............................................
6^ Portion magnified..............................................
7. Zamiopsis pinnatipida, sp. nov . 7. Portion of a compound pinna____
8. Z.AMIOPSIS LONGIPBNNIS, Sp. nOV. 8. Upper part of a pinnule.........
Page.
146
146
146
146
146
146
147 147nbsp;147nbsp;147
156
156
156
156
156
1,56
161
161
164
164
PLATE LXII,
Pasret
Pig. 1. Ctenopteris insignis, sp. nov.................................................... 156
1. nbsp;nbsp;nbsp;Portion of a large compound pinna or of the frond................................... 156
1. Pinnule magnified.................................................................. 156
Pig. 2. Ctenoptbris integripolia, sp. nov................................................ 158
2. nbsp;nbsp;nbsp;Small fragment of an ultimate pinna................................................ 158
Fig. 3. Zamiopsis ixsignis, sp. nov........................................................ 162
3. nbsp;nbsp;nbsp;Portion of an ultimate pinna....................................................... 162
Pig. 4. Ctenopteris Virginiensis, sp.nov................................................. 15r
4. nbsp;nbsp;nbsp;Portions of two ultimate pinu® with unusually narrow pinnules..................... 157
4. Pinnule magnified.................................................................. 157
Fig. 5. Zamiopsis pinnatifida, sp. nov................................................... 161
5. nbsp;nbsp;nbsp;Summit of a compound pinna....................................................... 161
PLATE LXIII.
Page.
Figs. 1,2. Ctknopteris insignis, sp. nov.................................................. 156
1. nbsp;nbsp;nbsp;Large fragment of a compound pinna partly restored............................. 156
2. nbsp;nbsp;nbsp;Fragment of an ultimate pinna.................................................. 156
Figs. 3, 4. Sclkroptekis dentata................................................. ....... 153
3. nbsp;nbsp;nbsp;Tip of an ultimate pinna........................................................ 153
4. nbsp;nbsp;nbsp;Portions of two ultimate pinnae.................................................. 153
4. Pinnule magnified...............................................................' nbsp;nbsp;nbsp;153
PLATE LXIV
Page.
Figs. 1, 3. Zamiopsis insignis, sp. nov......................-........-..................... 162
1. nbsp;nbsp;nbsp;Portion of a large compound pinna or of the frond............................... 162
1'. Lower pinnule magnified........................................................ 162
1'gt;. Upper pinnule magnified........................................................ 162
3. Portion of a compound pinna slightly restored................................... 162
Fig. 2. Zamiopsis pinnatifida, sp. .................................................... 161
2. nbsp;nbsp;nbsp;Portion of a compound pinna.................................................... 161
2». Pinnules or lobes magnified...................................................... 161
PLATE LXV.
Fig. 1. CTENOPTERIS VlRGINIENSlS, sp. nov...............................
1. nbsp;nbsp;nbsp;Fragment of a compound pinna slightly restored.................
Fig. 2. Ctenopteris angustifolia, sp. nov...............................
2. nbsp;nbsp;nbsp;Fragment of an ultimate pinna...................................
2quot;. Pinnule magnified................................-..............
Fig. 3. Ctenopteris intbgripolia, sp. nov.............................
3. nbsp;nbsp;nbsp;Fragment of the upper part of a compound pinna.................
3. Pinnule magnified..............................................
Figs. 4-6. Zamiopsis insignis, sp. nov......................................
4. nbsp;nbsp;nbsp;Fragment of the upper part of a compound pinna slightly restored
5. nbsp;nbsp;nbsp;Fragment of the lower part of a compound pinna..................
5. Pinnules enlarged................................................
6. nbsp;nbsp;nbsp;Upper part of an ultimate pinna..................... ...........
Page.
157
157
159
159
159
158 158nbsp;158
162
162
162
162
162
PLATE LXVI.
Page.
Figs. 1, 5-8. Zamiopsis laciniata, sp. ..................................................... 164
1. nbsp;nbsp;nbsp;Portion of a large primary pinna ornbsp;nbsp;nbsp;nbsp;of the frond.............. 164
1. Portion of a long pinnule magnified........................................... 164
1*. Short pinnule magnified....................................................... 164
5. nbsp;nbsp;nbsp;Upper part of an ultimate pinna.......... 164
5. Pinnule magnified............................................................. 164
6. nbsp;nbsp;nbsp;Upper part of an ultimate pinna............................................... 164
7, 8.nbsp;nbsp;nbsp;nbsp;Two tips of ultimate j)jnu».................................................... 164
Fig. nbsp;nbsp;nbsp;2.nbsp;nbsp;nbsp;nbsp;Zamiopsis insignis, sp. nov................................................. 162
2. nbsp;nbsp;nbsp;Upper portion of an ultimate pinna............................................ 162
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;ZAMIOP.SIS PETIOI.ATA, sp. nov................................................. 166
3. nbsp;nbsp;nbsp;Summit of an ultimate pinna......................... 166
3. Pinnule magnified............................................................. 166
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Ctknopteeis Virginiensis,nbsp;nbsp;nbsp;nbsp;sp. nov........................................... 157
4. nbsp;nbsp;nbsp;Portion of a compound pinna.................................................. 157
-^4
te*
PLATE LXVII.
Fig. 1. 1.
Fig. 2. 2.
Fig. 3.
3.
3-3'^.
Fig. 4.
4.
4a.
Fig. 5.
Fig. C.
6.
Fig. 7.
7.
Page.
Zamites tenuinervis, sp. nov..................................................... 171
Basal portion of a leaflet of large size............................................... 171
ZaMIOPSIS riNXATIFIDA, sp. nOV.................................................... 161
Tip of a pinna?.................................................................... 161
Ctenopteris minor, sp. nov....................................................... 157
Portion of a frond with pinnules fragmentary from maceration....................... 157
Pinnules of 3 and of other fragments, magnified to show variation in teeth........... 157
Ctenopteris angustifolia, sp. nov................................................ 1.59
Fragment of an ultimate pinna..................................................... 159
Pinnule magnified............................................................-..... 159
Ctenopteris longifolia, sp. nov.................................................. 159
Fragment of an ultimate pinna............................... ..................... 159
Portion of a pinnule magnified...................................................... 159
Dioonites Buciiianus, var. angustipoliiis, Schimper, sp.......................... 1*5
Summit of a leaf with very remote leaflets........................................... 185
Zamiopsis insignis, sp. nov......................................................... 162
Fragment of a very large pinnule................................................... 162
PLATE LXVIII
MON XV-33
Page.
Fig. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;Dioonitbs Buchianus ScWmper................................................ 182
1. nbsp;nbsp;nbsp;Summit of a leaf............ 182
Figs. nbsp;nbsp;nbsp;2,3.nbsp;nbsp;nbsp;nbsp;Ctenophyllum latifoiium, sp. nov............................................ 175
2. nbsp;nbsp;nbsp;Portion of a leaf slightly restored................................................ 175
2\ nbsp;nbsp;nbsp;Portion of a leaflet magnified to show the nerve-bundles.......................... 175
3. nbsp;nbsp;nbsp;Upper portion of a leaf corresponding to 2........................................ 175
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Dioonites Büchianüs, var. angüstipoi.iüs, Schimper, sp....................... 185
4. nbsp;nbsp;nbsp;Portion of the middle part of a leaf, showing the keeled midrib. The under sur
face is uppermost.................................. 185*
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;Glossozamites distans, sp. nov............................................... 176
5. nbsp;nbsp;nbsp;quot;Detached leaflets, and leaflets attached to the midrib............................ 176
5. nbsp;nbsp;nbsp;Leaflet magnified............................................................... 176
Fig. nbsp;nbsp;nbsp;6.nbsp;nbsp;nbsp;nbsp;PODOZAMITES sübfalcatus..................................................... 179
6. nbsp;nbsp;nbsp;Leaflet showing a portion of the stem still attached..................... 179
PLATE LXIX
Pagé.
Figs. 1,3. Dioonites Buchianus Schimper.... ........................................... 182
1. nbsp;nbsp;nbsp;Fragment of a leaf with broad and short leaflets.................................. 182
3. nbsp;nbsp;nbsp;Portion of a leaf showing the keeled midrib...................................... 182
Fig. nbsp;nbsp;nbsp;2. Zamites tenüinervis, sp. nov.................................................. 171
2. nbsp;nbsp;nbsp;Basal portion of a normally shaped leaflet.............................-.......... 171
Pig. nbsp;nbsp;nbsp;4. Zamites ckassinervis, sp. nov.................................................. 172
4. nbsp;nbsp;nbsp;Basal portion of a leaflet narrowed to the base................................... 172
PLATE LXX,
Fig.
1. ZaMITES TENUINERVI8, Sp. IIOV .
1. Nearly complete leaflet.........
Figs. 2,3. Dioonites Buchianus Scliimper.................................
2. nbsp;nbsp;nbsp;Upper part of a leaf with narrow ami very remote leaflets.........
3. nbsp;nbsp;nbsp;Upper portion of a leaf with very remote leaflets of medium width.
Fig. 4. Encephai.artopsis nervosa, sp. nov............................
4. nbsp;nbsp;nbsp;Portion of a small leaf............................................
Page.
171
171
182
182
182
174
174
PLATE LXXI.
Page,
Fig. 1. Dioonites Buchianus Schimper................................................... 182
1. Portion of a leaf with fragments of leaflets that were at least 20' long. Tlie entire
entire length of some of the leaflets seen was not drawn......................... 182
Fig. nbsp;nbsp;nbsp;2.nbsp;nbsp;nbsp;nbsp;Dioonites Buchianus, var. angustifolius, Schimper............................ 185
. nbsp;nbsp;nbsp;2.nbsp;nbsp;nbsp;nbsp;Summit of a leaf with closely placed leaflets.............. 185
Figs. 3,4. Enckphalartopsis nervosa, sp. nov............................................. 174
3. nbsp;nbsp;nbsp;Portions of two leaflets apparently once attached to the same stem................. 174
4. nbsp;nbsp;nbsp;Fragment of a leaflet showing a portion of one margin............................. 174
4. Part of 4 magnified............................................................... 174
PLATE LXXII.
Page.
Figs. 1,2. Dioonites Buchianus Suhimpei-............................................... 182
1. nbsp;nbsp;nbsp;Upper part of a leaf with remote and narrow leaflets............................ 182
2. nbsp;nbsp;nbsp;Summit of a leaf with remote leaflets.................... ........................ 182
2. Basal portion of a leaflet, showing the insertion of the nerves magniiied........... 182
2'gt;. Portion of 2 still more magnified, to show the fine granulation between the 182
nerves ..................................................................... 182
Figs. 3,4. Enckphalartopsis nervosa, sp. nov........................................... 174
3. nbsp;nbsp;nbsp;Upper portion of a leaf of medium size........................................... 174
4. nbsp;nbsp;nbsp;Middle portion of a leaf of large size............................................. 174
PLATE LXXIII
Figs. 1-3. Dioonites Büchianüs Schimper.............................................
1. nbsp;nbsp;nbsp;Summit of a leaf, showing the great narrowing of the terminal leaflets..........
2. nbsp;nbsp;nbsp;Fragment of the middle part of a normal leaf..................................
3. nbsp;nbsp;nbsp;Fragment of the upper part of a very large leaf, showing the midrib much atten
uated .......................................................................
3. Basal portion of a leaf magnified...............................................
S'quot;. Summit of a leaf magnified....................................................
Page-
182
182
182
182
182
182
«a
PLATE LXXIY.
Figs. 1-3. Dioonites Buchianus Schimper..............................................
1. nbsp;nbsp;nbsp;Portion of a leaf with leaflets of normal width, showing the keeled midrib.......
2. nbsp;nbsp;nbsp;Portion of a leaf, showing the leaflets gradually and considerably narrowed
toward the base; a rather unusual feature...................................
3. nbsp;nbsp;nbsp;I^ortiou of a leaf with keeled midrib, .showing well the attachments of the leaf
lets, which are strictly opposite..............................................
Page.
182
182
182
182
PLATE LXXY.
Page.
Pig. 1. Nageiopsis longifolia, sp. nov.................................................... 195
1. nbsp;nbsp;nbsp;Portion of a large braooh slightly restored, and with the original shape and dimensions
sions of the leaves indicated....................................................... 195
1^ Base of a leaf magnified............................................................ 195
I*quot;. Summit of the same magnified...................................................... 195
Fig. 2. Nageiopsis recuevata, sp. nov.................................................... 197
2. nbsp;nbsp;nbsp;Fragment of a branch with small leaves............................................. 197
Fig. 3. Zamitbs tenuinervis, sp. nov...................................................... 171
3. nbsp;nbsp;nbsp;Lower portion of a large leaf........................................................ 171
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE LXXV
PLATE LXXYT.
MON XV-34
Page.
Fig. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;POBOZAMITBSnbsp;nbsp;nbsp;nbsp;PEDICELLATÜS,nbsp;nbsp;nbsp;nbsp;Sp. ............................................... 180
1. nbsp;nbsp;nbsp;Base of a large leaflet.......................................................... 180
Figs. 2-6. Nageiopsis longifolia, sp. nov................................................. 195
2. nbsp;nbsp;nbsp;Portion of a stem with two large leaves.................................... ..... 195
3. nbsp;nbsp;nbsp;Portion of a large stem, showing near the top the former presence of two lateral
branches...................................................................... 195
4. nbsp;nbsp;nbsp;Fragment of a stem with leaves of the maximum width.............. ........... 195
5. nbsp;nbsp;nbsp;Portion of a stem, showing near midway scars left by scales of a former terminal
bud........................................................................... 195
6. nbsp;nbsp;nbsp;Tip of a leaf.....................-.............................................. 195
Fig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;Zamites tbnüinervis, sp.nbsp;nbsp;nbsp;nbsp;nov................................................. 171
7. nbsp;nbsp;nbsp;Basal portion of a narrow leaf................................................... 171
U. «. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE LXXVI
PLATE LXXVII,
Pago.
Figs. 1, 2. Nageiopsis longipolia, sp. nbsp;nbsp;nbsp;nov................................................. 195
1. nbsp;nbsp;nbsp;Portion of a stem with widenbsp;nbsp;nbsp;nbsp;leaves.............................................. 195
2. nbsp;nbsp;nbsp;Portion of a large leaf.......................................................... 195
Fig. nbsp;nbsp;nbsp;3. Nageiopsis decrescens, sp. nov................................................ 199
3. nbsp;nbsp;nbsp;Portion of a branch, with leaves diminishing in ascending....................... 199
3. Leaf magnified.................................................................. 199
Fig. nbsp;nbsp;nbsp;4. Nageiopsis ovata, sp. nov...................................................... 199
4. nbsp;nbsp;nbsp;Fragment of a leafy branch................................... 199
4. Leaf magnified.................................................................. 199
PLATE LXXYIIl.
Page.
Figs. 1-5. Nageiopsis longifolia, sp. nov............................................... 195
1. nbsp;nbsp;nbsp;Portiou of a large leafy branch.................................................. 195
2. nbsp;nbsp;nbsp;Fragment of a leaf............................................. 195
3. nbsp;nbsp;nbsp;Portion of a leafy branch, showing alternate leavesa rare featureaud the in
sertion of the bases of some of the leaves unusually far within the margin of
the stem................................................................. 195
4. nbsp;nbsp;nbsp;Fragment with an unusually large stem.......................................... 195
5. nbsp;nbsp;nbsp;Portion from near the summit of a leafy branch.................................. 195
Fig. nbsp;nbsp;nbsp;G.nbsp;nbsp;nbsp;nbsp;Zamites tenuinervis, sp. nov.................................................. I'l
6. nbsp;nbsp;nbsp;Portion of a broad leaf, showing only onenbsp;nbsp;nbsp;nbsp;margin................................ 171
Fig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;PODOZAMITES PEDICEI.LATDS, Sp. nOV............................................ 180
7. nbsp;nbsp;nbsp;Basal portiou of a narrow leaf.................................................. 180
PLATE LXXIX.
Page.
Figs. 1, 3. nbsp;nbsp;nbsp;Nageiopsis zamioides, sp. nov.................................................. 196
1. nbsp;nbsp;nbsp;Portious of a large branching stem with leaves of largest size..................... 196
3. nbsp;nbsp;nbsp;Fragment of a leafy branch with largenbsp;nbsp;nbsp;nbsp;leaves.................................... 196
Figs. 2, 6. nbsp;nbsp;nbsp;Nageiopsis crassicaulis, sp. nov............................................... 198
2. nbsp;nbsp;nbsp;Basal portion of a large leaf............................................. 198
6. nbsp;nbsp;nbsp;Basal portion of a leaf of medium size............................................ 198
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Nageiopsis recurvata, sp. nov.......................... 197
4. nbsp;nbsp;nbsp;Upper portion of a leaf................................................... 197
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;PODOZAMITES distantinervis, sp. nov................................. 179
5. nbsp;nbsp;nbsp;Portion of a leaflet of medium size..................................... 179
Fig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;Nageiopsis longipoeia, sp. nov ................ 195
7. nbsp;nbsp;nbsp;Fragment of a leaf............................................................... 195
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE LXXIX
PLATE LXXX.
Page.
Figs. 1, 2, 4. Nagkiopsis zamioides, sp. dov ........... 196
1. nbsp;nbsp;nbsp;Fragment of a large branch.................................................. 196
1. Leaf magnified................................................................ 196
2. nbsp;nbsp;nbsp;Fragment of a small branch................................................... 196
2. Leaf magnified................................................................ 196
4. nbsp;nbsp;nbsp;Fragments of a large branching stem.......................................... 196
Fig. nbsp;nbsp;nbsp;3. Nagkiopsis ekcuevata sp. nov ............................................ 197
3. nbsp;nbsp;nbsp;Basal portion of a large leaf................................................... 197
Fig. nbsp;nbsp;nbsp;5. Nagbiopsis ovata, sp. nov.................................................... 199
5. nbsp;nbsp;nbsp;Lower portion of a leafy branch, showing the gradual increase in the size of the
leaves ......................................................... 199
Fig. nbsp;nbsp;nbsp;6. PoDOZAMiTES acutifolius, sp. nov...............-.......................... 181
6. nbsp;nbsp;nbsp;Detached leaflet............................................................... 181
6. Basal portion of 6............................................................. 181
e*». Summit of the same magnified..........................-...................... 181
PLATE LXXXI.
Page.
Figs. 1-6. Nageiopsis zamioibks, sp. nov......... 196
1. nbsp;nbsp;nbsp;Fragments of branches, the right-hanil one showing on the left suhortliu ate branches.nbsp;nbsp;nbsp;nbsp;196
1. Leaf magnified................................................................. 196
2. nbsp;nbsp;nbsp;Small fragment of a branch with portions of large leaves.......... 196
2. Leaf magnified.................................................................. 196
3. nbsp;nbsp;nbsp;Fragment of a branch from near the base, showing small leaves................... 196
3®. Leaf magnified.................................................................. 196
4. nbsp;nbsp;nbsp;Fragment of a branch with leaves of medium size................................ 196
5. nbsp;nbsp;nbsp;Fragments of what seems to be a branching limb................. 196
6. nbsp;nbsp;nbsp;Portion of a branch with leaves of medium size................................... 196
PLATE LXXXII,
Page.
Fig. 1. Nageiopsis CKASSICAUUS, sp. nov................................................... 198
1. nbsp;nbsp;nbsp;Summit of a leafy branch.......................................................... 198
Fig. 2. Podozamites gbakdieoliüs, sp. nov................................................ 180
2. nbsp;nbsp;nbsp;Fragment of a large leaflet......................................................... 180
2. Fragment of 2 magnified to show nerves............................................ 180
Fig. 3. Nageiopsis latifolia, sp. nov..................................................... 198
3. nbsp;nbsp;nbsp;Fragment of a leaf................................................................. 198
Fig. 4. Podozamites distaisttinervis, sp. nov.............................................. 179
4. nbsp;nbsp;nbsp;Basal portion of a leaflet........................................................... 179
Fig. 5. Podozamites pedicellatüS, sp. nov................................................ 180
5. nbsp;nbsp;nbsp;Basal portion of a leaflet........................................................... 180
PLATE LXXXIII.
Page.
Figs.1,2,6,7. Podozamitks distantineevis, sp. nov......................................... 179
1. nbsp;nbsp;nbsp;Terminal portion of a leaflet of the largest size................................ 179
2. nbsp;nbsp;nbsp;Portions of two leaflets in natural position .................................... 179
6. nbsp;nbsp;nbsp;Basal portion of a small leaflet................................................ 179
7. nbsp;nbsp;nbsp;Portions of two leaves attached to the midrib.............................179
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Zamites ckassimervis, sp. nov................................................ 172
3. nbsp;nbsp;nbsp;Entire detached leaflet....................................................... 172
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Zamites distantinekvis, sp. nov........................ 172
4. nbsp;nbsp;nbsp;Terminal portion of a leaf..................................................... 172
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;PODOZAMITBS GRANDIPOLIUS, sp. nov........................................... 180
5. nbsp;nbsp;nbsp;Basal portion of a leaf......... ............................................... 180
u. s. geollt;
aoiOP*-'
»ONO
V
MON XV-35
Jit-.
Figs. 1,2,8,10,14,15. Podozamites distantinervis, sp. nov..........
1. nbsp;nbsp;nbsp;Basal portion of a leaf.......................
2. nbsp;nbsp;nbsp;Portion of a leaf with neither margin preserved.
8. nbsp;nbsp;nbsp;Base of a leaflet abruptly rounded at base......
10. nbsp;nbsp;nbsp;Three leaflets, detached and overlapping........
14. nbsp;nbsp;nbsp;Base of a leaflet slightly enlarged...............
15. nbsp;nbsp;nbsp;Tip of a leaflet slightly enlarged...............
Figs. nbsp;nbsp;nbsp;3,9,11. Nageiopsis CRAssicaulis, sp. nov..............
3. nbsp;nbsp;nbsp;Basal portion of a narrow leaf..................
9. nbsp;nbsp;nbsp;Small fragment of a leaf.......................
11. nbsp;nbsp;nbsp;Terminal portion of a narrow leaf..............
11. Portion enlarged...............................
Fig. nbsp;nbsp;nbsp;4. Nageiopsis iieteropiiylla, sp. nov.............
4. nbsp;nbsp;nbsp;Small fragment of a leafy branch...............
Fig. nbsp;nbsp;nbsp;5. Phyllocladopsis heteropiiylla, sp. nov......
5. nbsp;nbsp;nbsp;Portion of several leafy branches...............
5. Leaves magnified..............................
Fig. nbsp;nbsp;nbsp;6. Nageiopsis microphyi.la, sp. nov..............
6. nbsp;nbsp;nbsp;Small fragment of a leafy branch..............
Fig. nbsp;nbsp;nbsp;7. Zamites tenuinbrvis, sp. nov.................
7. nbsp;nbsp;nbsp;Base of a leaflet of medium size................
Fig. nbsp;nbsp;nbsp;12. Zamites? sp. ?.................................
12. nbsp;nbsp;nbsp;Tip of a leaflet................................
Fig. nbsp;nbsp;nbsp;13. Zamites sübpalcatus, sp. nov.................
13. nbsp;nbsp;nbsp;Terminal portion of a leaf......................
Page.
179
179
179
179
179
179
179
198
198
198
198
198
201
201
204
204
204
201
201
171
171
173
173
173
173
u. S. GEOLOGICAL SURVEY MONOGRAPH XV PLATE LXXXIV
PLATE LXXXV,
Figs.
1,2,8,9.
1.
2.
8.
9.
Fig.
Fig.
Fig.
Fig.
Fig.
Figs.
Fig.
Figs.
Fig.
Fig.
3.
3.
4.
4.
5.
5.
5.
6. 6.
6.
7.
7.
7».
10,15.
10.15. 15».
11.
11.
12.16. 12,16.
13.
13. 13».
14. 14.
Page.
Nagbiopsis longifolia, sp. nov............................................. 195
Portion of the upper part of a large leaf...................................... 195
Basal portion of a large leaf................................................. 195
Fragment from Deep Bottom. It has the nerves finer and more closely placed
than usual................................................................. 195
Tip of a small leaf........................................................... 195
ZaMITES SÜHFALCATUS, sp. nov.............................................. 173
Basal portion of a leaflet..................................................... 173
Zamites OVALIS, sp. nov..................................................... 173
Nearly entire leaflet......................................................... 173
Feildeniopsis crassinbuvis, sp. nov........................................ 205
Nearly entire leaf............................................................ 205
Summit of 5 magnified....................................................... 205
Nageiopsis iNjEQUIlateralis, sp. nov....................................... 200
Entire leaf.................................................................. 200
Summit of 6 magnified....................................................... 200
Nageiopsis obtdsifolia, sp. nov............................................ 200
Leaf attached to the stem................. 200
Magnified view of 7.......................................................... 200
PODOZAMITES ACUTIPOLIÜS, sp. nov.......................................... 181
Detached leaflets varying in size.............................. 181
Summit of 15, magnified......... 181
Nagbiopsis acuminata, sp.nov............................................. 201
Entire leaf with a bit of the stem attached.................................. 201
PODOZAMITKS DISTANTINERVIS, Sp. nOV....................................... 179
Fragments of large leaves................................................... 179
Araucaria obtusipolia, sp. nov............................................ 249
Summit of a small twig...................... 249
Portion of 13 magnified...................................................... 249
Nageiopsis microphylla, sp.nov........................................... 201
Portion of a stem with very small leaves and a proportionally large stem..... nbsp;nbsp;nbsp;201
PLATE LXXXYI.
. nbsp;nbsp;nbsp;Page.
Figs. 1-3,5. Nageiopsis microphylla, sp. ................................................ 201
1. nbsp;nbsp;nbsp;Summit of a leafy branch...................................................... 201
2. nbsp;nbsp;nbsp;Fragment of a leafy branch.................................................... 201
3. nbsp;nbsp;nbsp;Portion of a leafy branch with leaves of unusual shape......................... 201
5. nbsp;nbsp;nbsp;Stem withnbsp;nbsp;nbsp;nbsp;leafy branches...................................................... 201
Fig. 4. Araucaria podocarpoidbs, sp. uov........................................... 249
4. nbsp;nbsp;nbsp;Small portion of a branch...................................................... 249
Fig. 6,7. Nageiopsis heterophylia, nbsp;nbsp;nbsp;sp. nov........................................... 201
6. nbsp;nbsp;nbsp;Portion ofnbsp;nbsp;nbsp;nbsp;a large stem withnbsp;nbsp;nbsp;nbsp;two leafy branches................................ 201
6quot;. Leaf magnified...........................................-.................... 201
7. nbsp;nbsp;nbsp;Portion of a stem with dissimilar leaves........................................ 201
Figs. 8,9. Nageiopsis angustifolia, sp. nov............................................. , 202
8. nbsp;nbsp;nbsp;Portion of a leafy stem with two opposite branches............................ 202
9. nbsp;nbsp;nbsp;Fragment of a stem carrying a leafy branch, which in turn has two opposite
branches...................-................................................. 202
PLATE LXXXVII,
Page.
FiG. 1. PODOZAMITES ACUTIFOLIÜS, Sp. nov............................................... lÖl
1. nbsp;nbsp;nbsp;Portion of a detached leaflet..................................................... 181
Figs. 2-C. Nagbioi'sis angustifolia, sp. nov............................................... 202
2. nbsp;nbsp;nbsp;Portion of a leafy stem with two opposite branches............................... 202
2. Leaf magnified.................................................................. 202
3. nbsp;nbsp;nbsp;Fragment of a stem with very narrow leaves..................................... 202
4. nbsp;nbsp;nbsp;Portions of two leafy branches................................................... 202
5. nbsp;nbsp;nbsp;Portion of a large branching stem.......................................... 202
5. Leaf enlarged................................................................... 202
6. nbsp;nbsp;nbsp;Fragment of a leafy stem........................................................ 202
6. Basal portion of a leaf magnified............................................. 202
PLATE LXXXVIII.
Page.
Figs. 1,3,4,6-8. Nageiopsis angustipolia, sp. .............................................
1. nbsp;nbsp;nbsp;Portions of leiify branches with narrow leaves unequal iu size ............... 202
3. nbsp;nbsp;nbsp;Portion of a branching stem with small leaves............................. 202
4. nbsp;nbsp;nbsp;Small fragment of a leafy branch........................................... 202
6. nbsp;nbsp;nbsp;Fragments of two branches................................................. 202
7. nbsp;nbsp;nbsp;Portion of a branch with large leaves....................................... 202
8. nbsp;nbsp;nbsp;Portion of a branching stem with very narrow leaves........................ 202
Fig. nbsp;nbsp;nbsp;2,.'i. Nageiopsis heterophylla, sp. nov........................................ 201
2. nbsp;nbsp;nbsp;Portion of a branching stem, showing the basal leaves on the upper side of the
ultimate branches smaller than the rest................................... 201
2. Leaf magnified, nerves not fully shown..................................... 201
5. nbsp;nbsp;nbsp;Terminal portion of an ultimate branch, showing the terminal leaf........... 201
PLATE LXXXIX.
r*9
Page.
Figs. 1,3. Baibropsis exp ansa, sy. ...................................................... -^07
1. nbsp;nbsp;nbsp;Portion of terminal leaf with fragments of the next lower right-hand leaf......... 207
3. nbsp;nbsp;nbsp;Fragments of the terminal leaf with a portion of the next lower right-hand leaf...nbsp;nbsp;nbsp;nbsp;207
3. Fragment of 3 magnified......................................................... 207
Fig. 2. Nageiopsis angustifolia, sp. nov............................................... 202
2. nbsp;nbsp;nbsp;Fragment of a leafy branch...................................................... 202
2. Leaf of 2 magnified..............................-................................ 202
Fig. 4. B.AIBKOPSIS pluripartita, sp. nov............................................... 208
4. nbsp;nbsp;nbsp;Summit of a leafy stem with leafy branches...................................... 208
PLATE XO.
Page.
Fig. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;Baieropsis expansa, sp. nov............................................ 207
1. nbsp;nbsp;nbsp;Fragments of several subordinate lacinise......................................... 207
Figs. 2-5. Baieropsis pluripartita, sp. nov............................................... 208
2. nbsp;nbsp;nbsp;Summit of a stem, showing part of a terminal leaf and tbe next lower pair, with
portions of still lower leaves on leafy branches................................. 208
2. Portion of a primary segment magnified.......................................... 208
:i. Summit of a leafy branch with portions of the terminal leaf and of the pair next
below and fragments of lower nbsp;nbsp;nbsp;leafy branches................................... 208
4. nbsp;nbsp;nbsp;Portion of a stem carrying whatnbsp;nbsp;nbsp;nbsp;seem tonbsp;nbsp;nbsp;nbsp;be small nut-like seed.................... 208
4*. Portion of 4 magnified........................................................... 208
5. nbsp;nbsp;nbsp;Terminal portion of a stem with leafy branches.................................... 208
Gig. nbsp;nbsp;nbsp;6.nbsp;nbsp;nbsp;nbsp;Baieropsis macrophtlla, sp. nov............................................... 212
6. nbsp;nbsp;nbsp;Fragments of a very large leaf bearing curious excrescences on its surface......... nbsp;nbsp;nbsp;212
6. Portion magnified, to show the character of the excrescences...................... 212
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE XC
PLATE XCI,
Pa;5e.
Figs. 1,3,4,7. Baieropsis pluripartita, sp. nov........................................... 208
1. nbsp;nbsp;nbsp;Portion of the summit cf a primary leafy branch.............................. 208
3. nbsp;nbsp;nbsp;Portion of a primary leafy branch with fragments of several subordinate leafy
branches................................................................... 208
3. Portion of a primary segment of a leaf magnified. The tips of the ultimate
laoinim are not depicted.................................................... 208
4. nbsp;nbsp;nbsp;Portion of a primary and two subordinate leafy branches...................... 208
7. Small fragment of a primary leafy branch with traces of fructification......... 208
Pig. nbsp;nbsp;nbsp;2.nbsp;nbsp;nbsp;nbsp;Baieropsis expAJtSA.sp. nov................................................. 207
2. nbsp;nbsp;nbsp;Fragment of a stem with portions of leaves on each side....................... 207
2. Portion of a segment of a leaf magnified...................................... 207
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;Baieropsis pluripartita, var. minor, sp. nov................................ 208
5. nbsp;nbsp;nbsp;Portions of the leaves on a subordinate leafy branch......................... - nbsp;nbsp;nbsp;208
Fig. nbsp;nbsp;nbsp;6.nbsp;nbsp;nbsp;nbsp;Baieropsis LONGiEOLiA.sp. nov........................... 210
6. nbsp;nbsp;nbsp;Portions of leafy branches showing unusually long segments in the leaves..... nbsp;nbsp;nbsp;210
MONOGRAPH XV PLATE XCI
U. s. GEOLOGICAL SURVEY
MON XV-
-36
Page.
Figs. 1,2, fj. Baieropsis pltiripartita, sp. nov.............................................. 208
1. nbsp;nbsp;nbsp;Fragments of the upper part of a primary leafy branch 'with portions of the subor
dinate leafy branches on the right-hand side.................................. 208
2. nbsp;nbsp;nbsp;Fragment of the upper part of a primary leafy branch........................... 208
6. nbsp;nbsp;nbsp;Fragment of a primary leafy branch, showing a portion of the terminal leaf and
fragments of the lower subordinate leafy branches............................ 208
Figs. 3,4. Baieropsis plitripartita, var. minor, sp. now.................................. 208
3. nbsp;nbsp;nbsp;Portion of the upper part of a primary leafy branch............................. 208
4. nbsp;nbsp;nbsp;Fragments of the subordinate leafy branches.................................... 208
Fig. nbsp;nbsp;nbsp;5. Baieropsis exp ansa, sp. nov................................................... 207
5. nbsp;nbsp;nbsp;Portions of several lacini®...................................................... 207
Fig. nbsp;nbsp;nbsp;7. Baieropsis denticulata, var. angustifolia, sp. nov........................... 210
7. nbsp;nbsp;nbsp;Portion of a primary leafy branch.............................................. 210
7. Leaf magnified................................................................ 210
Figs. 8,9. Baieropsis aigt;iantifoI/Ia,sp. nov.....................-........................ 211
8. nbsp;nbsp;nbsp;Reproduction of several leaves of natural size ...... 211
8. Leaf reproduced and magnified................................................. 211
9. nbsp;nbsp;nbsp;Fragment of an unusually large leaf............................................ 211
PLATE XCIII,
Figs. 1-3. 1.nbsp;1.nbsp;2.
3.
Figs. 4-6.
4. 4-.
Fig.
Page.
Baieropsis adiantipolia, sp. nov............................................... 211
Several fragments of leaves with an entire leaf................................... 211
Leaf magnified.................................-.................................. 211
Upper portion of a leafy branch with parts of several leaves of large size......... 211
Terminal portion of a leafy branch with portions of all the leaves originally present. nbsp;nbsp;nbsp;211
Baieropsis poliosa, sp. nov..................................................... 209
Portion of a primary leafy branch having small and comparatively broad leaves---- nbsp;nbsp;nbsp;209
Leaf magnified.................................................. 209
Summit of a primary leafy branch, showing portions of the leaves and of the subordinate leafy branches........................................................ 209
Summit of a leafy branch with narrow leaves.................................... 209
Leaf magnified..................................-............................... 209
Baieropsis DENTicaLATA, sp. nov............................................... 210
Portion of a primary branch carrying portions of several subordinate leafy
branches...................................................................... 210
Leaf restored and magnified..................................................... 210
u. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE XCIll
PLATE XCIV.
Page.
Fig. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;Baibropsis adiantifobia,nbsp;nbsp;nbsp;nbsp;var. mustor, sp. nov............................. 212
1. nbsp;nbsp;nbsp;Summit of a leafy branch-with portions of several leaves.................... 212
1. Leaf restored and magnified............................................... 212
Figs. nbsp;nbsp;nbsp;2,3.nbsp;nbsp;nbsp;nbsp;Baibropsis adiantifolia,nbsp;nbsp;nbsp;nbsp;sp. nov......................................... 211
2. nbsp;nbsp;nbsp;Fragments of several leaves..........................-.................... 211
3. nbsp;nbsp;nbsp;Portion of the stem with fragments of several leaves....................... 211
JlG. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Acrostichopteris densifolia, sp. nov.................................... 107
4. nbsp;nbsp;nbsp;Small fragment of a compound pinna...................................... 107-
4. Leaf magnified......................................................... 107
Figs. 5,9,10,12. Acrostiohopteeis parvifolia, sp. nov................................... 108
5. nbsp;nbsp;nbsp;Portion of a small subordinate branch ..................................... 108
5. Leaf magnified............................................................ 108
9. Portion of a primary branch w'ith two subordinate ones.................... 108
9. Leaf magnified............................................................ 108
10. nbsp;nbsp;nbsp;Summit of a leafy branch................... 108
lO. Leaf restored and magnified........................................ 108
12. nbsp;nbsp;nbsp;Portion of a primary leafy stem with several subordinate leafy branches---- nbsp;nbsp;nbsp;108
12. Leaf magnified............................................................ 108
Figs. 6,7,11,14. Acrostichopteris parcblobata, sp. nov.................................. 108
6,7. Portions of stems with fragments of leaves................................. 108
11. nbsp;nbsp;nbsp;Portion of the summit of a branch with several entire leaves.......-........ 108
11. Leaf magnified........................................................... 108
14. Entire leaf magnified, corresponding to a leaf of 6 ...................... 108
Fig. nbsp;nbsp;nbsp;8. Acrostichopteris cyclopteroides, sp. nov.................-............. 109
8. Detached entire leaf....................................................... 109
Fig. nbsp;nbsp;nbsp;13.nbsp;nbsp;nbsp;nbsp;Baibra foliosa, sp. nov.................................................. 213
13. nbsp;nbsp;nbsp;Summit of a branch carrying many leaves.................................. 213
#â nbsp;nbsp;nbsp;V-â'*''' J - '-quot;-i---' ' 'â
.,.....«â -â â -L v-^Cquot;'
' nbsp;nbsp;nbsp;% =!ïânbsp;nbsp;nbsp;nbsp;'â nbsp;nbsp;nbsp;nbsp;'â¢â'nbsp;nbsp;nbsp;nbsp;' â ' quot; â â â ' ^
m
/J- nbsp;nbsp;nbsp;'V-»-
,,, . . nbsp;nbsp;nbsp;. .nbsp;nbsp;nbsp;nbsp;,nbsp;nbsp;nbsp;nbsp;15***^-^..-'?-- :
.1
'_,'v-4
JWte'i - ---_ rrniiLâ¢' nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;' ânbsp;nbsp;nbsp;nbsp;.-i
V*' nbsp;nbsp;nbsp;â¢*,?nbsp;nbsp;nbsp;nbsp;' ï- ' â¢Â«Jiv.X-'ji '' ââ¢nbsp;nbsp;nbsp;nbsp;''â ,'v'Wïnbsp;nbsp;nbsp;nbsp;«Ti.r' %nbsp;nbsp;nbsp;nbsp;â nbsp;nbsp;nbsp;nbsp;'â £nbsp;nbsp;nbsp;nbsp;-IS?-'»nbsp;nbsp;nbsp;nbsp;â )nbsp;nbsp;nbsp;nbsp;â ;quot;gt;'amp;?â¢
-S-ïyI nbsp;nbsp;nbsp;'â¢â- 'â '' âV â quot;'nbsp;nbsp;nbsp;nbsp;'-;â nbsp;nbsp;nbsp;nbsp;â 'nbsp;nbsp;nbsp;nbsp;â â nbsp;nbsp;nbsp;nbsp;â quot;ri,
_____________ nbsp;nbsp;nbsp;â. . . »,»,gt;«'lt;quot;â¢â ^â 'c' â *' ⢠* -'
â . ., nbsp;nbsp;nbsp;, .-â gt;. . ... - Hfr~-if;ifâ¢nbsp;nbsp;nbsp;nbsp;-' quot;nbsp;nbsp;nbsp;nbsp;â â â
:vlt;r?.:-'I :' - nbsp;nbsp;nbsp;k-5.k-.-'4.4. 4;.
V k 1 â - nbsp;nbsp;nbsp;rx-^:.â â : -,
' i»
f M â nbsp;nbsp;nbsp;4^,%.-'â '' â â¢, ««-: â¢â 'W' ''' ?^
?gt;⢠v-gt;v-. â ' nbsp;nbsp;nbsp;5â*v^ ^nbsp;nbsp;nbsp;nbsp;quot;nbsp;nbsp;nbsp;nbsp;'â â '-nbsp;nbsp;nbsp;nbsp;â ' ââ nbsp;nbsp;nbsp;nbsp;'--â â¢â â¢
'ï' i nbsp;nbsp;nbsp;.'-nbsp;nbsp;nbsp;nbsp;=â 'a i'nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;quot;
iVv'â¢gt;â :â â¢â¢â â¢
PLATE XCV.
Page.
Figs. 1-5. Frknelopsis ramosissima, sp. nov.............................................. 215
1. nbsp;nbsp;nbsp;Portions of branches which have mostly lost the epidermis but still retain the
bark....................................................... 215
2. nbsp;nbsp;nbsp;Stem with branches which retain the epidermis, showing joints unusually long,
the branching being much less copious than usual................... .......... 215
3. nbsp;nbsp;nbsp;Portion of a stem which in places retains the epidermis and shows the character of
the older leaves.................... 215
4. nbsp;nbsp;nbsp;Portion of a stem carrying undeveloped branches and buds....................... 215
5. nbsp;nbsp;nbsp;Portion of a stem which for the most part retains the epidermis .and contains
unusually short joints......................................................... 215
PLATE XCVI.
Page.
Figs. 1-ii. Frenblopsis ramosissima, sp. nov........................................... iJ15
1. nbsp;nbsp;nbsp;Portion of a decorticated stem with numerous and crowded ultimate branches.. 215
2. nbsp;nbsp;nbsp;Portion of a large decorticated stem with comparatively long and remotely placed
ultimate branches.......................................................... 215
3. nbsp;nbsp;nbsp;Portions of two old and mostly decorticated stems.............................. 215
PLATE XCVII.
Page.
iiGS. 1-6. nbsp;nbsp;nbsp;Fkenelopsis ramosissima, sp. uov.............................................. 215
1. nbsp;nbsp;nbsp;Fragment of a large decorticated stem........................................... 215
2. nbsp;nbsp;nbsp;Portion of a decorticated branch havingnbsp;nbsp;nbsp;nbsp;ultimate branchesnbsp;nbsp;nbsp;nbsp;unnsnallynbsp;nbsp;nbsp;nbsp;small....... 215
3. nbsp;nbsp;nbsp;Portion of a decorticated branch with remotelynbsp;nbsp;nbsp;nbsp;placednbsp;nbsp;nbsp;nbsp;ultimate branches......... 215
4. nbsp;nbsp;nbsp;Fragment of epidermis much magnified, showing the linear arrangement of the
tubercles..................................................................... 215
5,6. nbsp;nbsp;nbsp;Forms of older leaves magnified.................................................. 215
e . â b#â'» V -''C'
.â---â nbsp;nbsp;nbsp;â /.vsïsrfs.-
v nbsp;nbsp;nbsp;â¢â â â '-nbsp;nbsp;nbsp;nbsp;⢠'nbsp;nbsp;nbsp;nbsp;-V-., ........
'â V . VJi,'-
--.,â¢â . nbsp;nbsp;nbsp;',nbsp;nbsp;nbsp;nbsp;gt;-'£gt;:nbsp;nbsp;nbsp;nbsp;-^ïr â
V. nbsp;nbsp;nbsp;,nbsp;nbsp;nbsp;nbsp;»nbsp;nbsp;nbsp;nbsp;* ,c. - a#nbsp;nbsp;nbsp;nbsp;s
' 4 I nbsp;nbsp;nbsp;***â «% /^â¢.li.vnbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;{nbsp;nbsp;nbsp;nbsp;4nbsp;nbsp;nbsp;nbsp;«^4%
â nbsp;nbsp;nbsp;'.--. r-.
t.?' ''
.;;-r â ::-%â
.Swâ*:
il!
'â - nbsp;nbsp;nbsp;:-.⢠-â '''è^lk?^!/ F'--: â -f
I
â 'V nbsp;nbsp;nbsp;'
k nbsp;nbsp;nbsp;â¢nbsp;nbsp;nbsp;nbsp;â nbsp;nbsp;nbsp;nbsp;. â 'nbsp;nbsp;nbsp;nbsp;*
h-â
/. -iJ. .-4-
i.
.', nbsp;nbsp;nbsp;.quot;.. âj r ^ .-
-V
'â '/I
l-N
y .
v**
t''' â ;â .
â ââ .â gt;.?â -- nbsp;nbsp;nbsp;.*-s.v 'V-i-nbsp;nbsp;nbsp;nbsp;â
'»^ i, ii#«« *'^'* *- V*
.S,» nbsp;nbsp;nbsp;'i'-inbsp;nbsp;nbsp;nbsp;â nbsp;nbsp;nbsp;nbsp;â¢*quot;ïvâ-r»nbsp;nbsp;nbsp;nbsp;, v!râ I ..-^nbsp;nbsp;nbsp;nbsp;â¢â¢*:.'
iSx,.;, .].'; v_ nbsp;nbsp;nbsp;,nbsp;nbsp;nbsp;nbsp;. â¢, ._
^l-ic â ⢠â; â â :-';^i
'\.-âV£i
.-:ï
-5 j:
â , nbsp;nbsp;nbsp;a^''quot;'4v if '
quot;gt; â. *1- 1
'â â â - 'k -'ai- m\w^ quot;*â â â nbsp;nbsp;nbsp;py:
» nbsp;nbsp;nbsp;Jwy ^ inbsp;nbsp;nbsp;nbsp;* -nbsp;nbsp;nbsp;nbsp;*'** âJl 'j. k i*#nbsp;nbsp;nbsp;nbsp;» ^»*^
. .-c-i nbsp;nbsp;nbsp;''â ' 'nbsp;nbsp;nbsp;nbsp;â V ' . ï
â¢â¢-''lt;?â â T- - ⢠nbsp;nbsp;nbsp;. * *'5ânbsp;nbsp;nbsp;nbsp;ïi*'-
{V-W'--'quot;' nbsp;nbsp;nbsp;â
Ik f
^ nbsp;nbsp;nbsp;^ - :f
S nbsp;nbsp;nbsp;i
- -ï ---At: ⢠ril' '-jJ:
^^â¢^gt;'* s nbsp;nbsp;nbsp;-âi'.nbsp;nbsp;nbsp;nbsp;'^.nbsp;nbsp;nbsp;nbsp;.4--'-lt;'^nbsp;nbsp;nbsp;nbsp;â â â gt;:-ânbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;' y- -i ⢠.-.ïA-. . --M
,â nbsp;nbsp;nbsp;*â nbsp;nbsp;nbsp;nbsp;tnbsp;nbsp;nbsp;nbsp;Xnbsp;nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;â -â onbsp;nbsp;nbsp;nbsp;«StTnbsp;nbsp;nbsp;nbsp;f i A V^â*.nbsp;nbsp;nbsp;nbsp;JInbsp;nbsp;nbsp;nbsp;1
|.â;:;:v-. nbsp;nbsp;nbsp;-.--nA; .'â¢^:ï-nbsp;nbsp;nbsp;nbsp;gt; .:;V;V;:\--i;.A4-%:..r.;-:gt;-'quot; -i,
' lt; â
PLATE XCYIII.
Pa^e.
Figs. 1-6. Frenklopsis uamosissima, i-p. nov............................................. 215
1. nbsp;nbsp;nbsp;Imprint of a portion of a decorticated briiiicli with ultimate twigs............. 215
2. nbsp;nbsp;nbsp;Imprint of a large decorticated branch carrying many ultimate branchesnbsp;nbsp;nbsp;nbsp;or twigs..nbsp;nbsp;nbsp;nbsp;215
3,4. Forms of leaves magnified......... 215
5. nbsp;nbsp;nbsp;Portion of the upper part of a branch carrying very small ultimate branches...... nbsp;nbsp;nbsp;215
5. Penultimate branch with nltimate branches magnified, all decorticated........... 215
6. nbsp;nbsp;nbsp;Portion of a decorticated branch carrying very small penultimate and ultimate
branches.........................................................;............ 215
PLATE XCIX.
Page.
Figs. 1-4. Frenelopsis ramosissima, sp. .......................................... - -..... 215
1. nbsp;nbsp;nbsp;Portion of a stem with numerons bads and undeveloped branches................. 215
1. Portion of an undeveloped branch carrying several buds magnified................ 215
2. nbsp;nbsp;nbsp;Imprint of a branch of considerable size, showing joints and the soar left by a
branch........................................................................ 215
3. nbsp;nbsp;nbsp;Fragments of several stems decorticated in part....................... 215
4. nbsp;nbsp;nbsp;Portion of a stem with undeveloped branches and buds........ 215
4*. Undeveloped branch magnified.................................................. 215
d**. Portion of an undeveloped branch carrying a bud magnified...................... 215
J
MON XV-37
Page.
Figs. 1-3. Frenelopsis eamosissima, sp. .................................................
1. nbsp;nbsp;nbsp;Kostoiatiou of a subordinate branch, showing the penultimate and ultimate
branches......................................................................
2. nbsp;nbsp;nbsp;Portion of a partially decorticated branch....................................... 215
3. nbsp;nbsp;nbsp;Portion of a stem in a decorticated condition, showing scars left by the leaves
on the older decorticated stems, and also the umbellate arrangement of the branches...................................................................... 215
Fm. 4. BRACHYPHYIXnM CRA.SSICAULE, Sp. IIOV......................................... 221
4. nbsp;nbsp;nbsp;Portion of a branching stem..................................................... 221
PLATE Cl
Page.
Fig. nbsp;nbsp;nbsp;1. Frenelopsis eamosissima, sp. .............................................. 215
1. nbsp;nbsp;nbsp;Fragment of a decorticated branch............................................... 215
Figs. 2,3. Leptostrobgs longieolius, sp.nov.........................................228
2. nbsp;nbsp;nbsp;Portions of large leafy branches with the upper parts broken off.................. 228
3. nbsp;nbsp;nbsp;Summit of a leafy branch........................................................ 228
Fig. nbsp;nbsp;nbsp;4. Leptostrobus POLiosus, sp. nov................................................ 230
4. nbsp;nbsp;nbsp;Portion of a leafy branch with a lateral branch near the summit.................. 230
PLATE Oil.
Page.
Figs. 1-4. Jjeptostrobus gongiïoliüs, sp. bov........................................ ^^8
1. nbsp;nbsp;nbsp;Several short lateral branches with leaves at the summit in tufts................. 228
2. nbsp;nbsp;nbsp;Summit of a large brauch with several short leafy branches, having leaves only
at the tips......................................................... .......... 228
3. nbsp;nbsp;nbsp;Portion of a large leafy branch with the upper part broken off.................. 228
4. nbsp;nbsp;nbsp;Portion of a bundle of leaves, probably belonging to a short branch.............. 228
Figs. 6,6. Laricopsis brevifolia, sp. dov............................................... 234
5. nbsp;nbsp;nbsp;Portion of a branch with two naked branchlets.................................. 234
6. nbsp;nbsp;nbsp;Upper part of a leafy branch.................................................... 234
6. Leaves of 6 magnified.......................................................... 234
Figs. 7,8. Laricopsis longifolia, sp. nov............................................... 233
7. nbsp;nbsp;nbsp;Portion of a large branch nearly bare of leaves................................. 233
8. nbsp;nbsp;nbsp;Fragment of a leafy branch................................................... 233
Figs. 9,10. Laricopsis angustifolia, sp. nov............................................... 233
9. nbsp;nbsp;nbsp;Upper part of a branching twig................................................. 233
10. Fragments of two branches, showing scars on the upper surface.................. 235
PLATE GUI.
Page.
Figs. 1,4. Lakicopsis angustifolia, sp. nov............................................. 233
1. nbsp;nbsp;nbsp;Portion of a branching twig.................................................... 233
4. nbsp;nbsp;nbsp;Portion of a stem with very narrow leaves...................................... 233
Figs. 2,3. Laricopsis longipolia, sp. nov................................................ 233
2. nbsp;nbsp;nbsp;Portion of a branch nearly bare of leaves..................... 233
3. nbsp;nbsp;nbsp;Portion of a stem with leaves of the greatest length .......... 233
Fig. 5. Lbptostrobüs poliosüs, sp. nov............................................... 230
5. nbsp;nbsp;nbsp;Fragments of several detached leaves........................................... 230
5. Portion of a leaf magnified..................................................... 230
Figs. 6-12. Lbptostrobüs longifolius, sp. nov............................................ 228
6. nbsp;nbsp;nbsp;Several detached leaves of large size............................................ 228
6-6. Portions of different leaves magnified to show nbsp;nbsp;nbsp;the varying apparent nerves. ,..... 228
7. nbsp;nbsp;nbsp;Fragments of leaves of large size............................................... 228
8. nbsp;nbsp;nbsp;Fragments of a number of detached leaves............................. 228
8quot;. Fragment of a leaf magnified to show the nerves............................ 228
9. nbsp;nbsp;nbsp;Fragment of a very long leaf................................................... 228
10-12. Basal portions of leaves......................................................... 228
10. Portion of 10 magnified to show the nerves..................................... 228
PLATE CIY.
Page. ¦
Fig. 1. Leptostbobus roLiosus, sp. ................................................... 230
1. nbsp;nbsp;nbsp;Fragments of a number of detached leaves........................................ 230
Figs. 2,3. Cephalotaxopsis ramosa, sp. nov............................................... 237
2. nbsp;nbsp;nbsp;Fragments of a very large branch................................................ 237
3. nbsp;nbsp;nbsp;Portion of an ultimate branch with small leaves.................................. 237
Figs. 4,5. Cephalotaxopsis magnipolia, sp. nov.......................................... 236
4. nbsp;nbsp;nbsp;Fragment of an ultimate branch with small leaves ............................... 236
5. nbsp;nbsp;nbsp;Fragment of a branch with leaves of the largest size.. ........................... 2.36
Fig. 6. Leptostromds loxgifolius, sp. nov......................................... 228
6. nbsp;nbsp;nbsp;Basal portion of a leaf apparently attached in a clasping manner............... nbsp;nbsp;nbsp;228
f
PLATE CY.
Page.
Figs. 1,2,4. Cbphalotaxopsis magnifolia, sp. nov ................................ 236
1. nbsp;nbsp;nbsp;Fragment of a very large branch with scars of bud-scales and unusually small
leaves beneath them......................................................... 236
1. Basal portions of leaves magnified.............................................. 236
1. Tip of a leaf magnified........................................................ 236
2. nbsp;nbsp;nbsp;Summit of an ultimate twig, showing terminal leaflet........................... 236
4. Portion of a branch with leaves of the largest size.............................. 236
Fig. 3. Cbphalotaxopsis brbvifolia, sp. nov......................................... 238
3. nbsp;nbsp;nbsp;Portion of a branch showing leaves of the largest size........................... 238
PLATE CYI.
Page.
Figs. I, 3. Cepualotaxopsis magnifolia, sp. uov.......................................... 236
1. nbsp;nbsp;nbsp;Portion of an ultimate branch with small leaves.................................. 236
1. Leaf magnified, showing wrinkling............................................... 236
3. nbsp;nbsp;nbsp;Fragment with large leaves...................................................... 2.36
Figs. 2, 4. Ckphalotaxopsis eamosa, sp. nov............................................... 237
2. nbsp;nbsp;nbsp;Portions of several detached ultimate branches................................... 237
4. nbsp;nbsp;nbsp;Fragment of an ultimate branch with leaves of the smallest size.................. 237
4. Leaf magnified ................................................................. 237
Fig. 5. Cephalotaxopsis brevifolia, sp. nov...... ................................... 238
5. nbsp;nbsp;nbsp;Fragment of a branching twig having leaves of medium size...................... 238
PLATE CYII
Page.
Figs. 1,2,4. Cephalotaxopsis magnifolia, sp. nov........................................ 236
1. nbsp;nbsp;nbsp;Portion of an ultimate branch with small leaves................................ 236
2. nbsp;nbsp;nbsp;Fragments of branches with small leaves...................................... 236
4. nbsp;nbsp;nbsp;Portion of a branch with large leaves.......................................... 236
4. Basal portion of a leaf magnified............................................... 236
Fig. nbsp;nbsp;nbsp;3. Ckphalotaxopsis ramosa,8P. nov............................................ 2.37
3. nbsp;nbsp;nbsp;Portion of a twig showing whorl of branches................................... 237
Fig. nbsp;nbsp;nbsp;5. Cephalotaxopsis bbkvipolia, sp. nov........................................ 238
5. nbsp;nbsp;nbsp;Portion of a twig with leaves of medium size................................... 238
5. Leaves of 5 magnified......................................................... 238
PLATE CVllI
MON XV-38
Page.
Figs. 1,3,4. CErHALOTAXOPSis magnipolia, sp. .......................................... 236
1. nbsp;nbsp;nbsp;Portion of a branching twig with small leaves.................................. 236
3. nbsp;nbsp;nbsp;Portion of an ultimate branch with leaves of largenbsp;nbsp;nbsp;nbsp;size......................... 236
4. nbsp;nbsp;nbsp;Portion of an ultimate branch with leaves of the largest size.................... 236
Fig. nbsp;nbsp;nbsp;2. Cephalotaxopsis eamosa, sp. nov............................................ 237
2. nbsp;nbsp;nbsp;Fragments of a branching stem................................................ 237
Fig. nbsp;nbsp;nbsp;5. Cephalotaxopsis microphylla, sp. nov..................................... 238
5. nbsp;nbsp;nbsp;Fragment of a twig with leaves of medium size................................ 238
PLATE OIX.
Page.
Figs. 1-7. Brachyphyllum cra.ssicaulb, sp. ............................................. 221
1. nbsp;nbsp;nbsp;Portion of a stem with remotely placed pemiltimate branches..................... 221
1. Portion of 1 magnified.......................................................... 221
1*. A portion of 1 magnified, showing granulation on Iho leaves...................... 221
2. nbsp;nbsp;nbsp;Upper part of a penultimate branch.............................................. 221
3. nbsp;nbsp;nbsp;Fragment of a bifurcating branch....... t....................................... 221
4. nbsp;nbsp;nbsp;Upper part of a penultimate branch, showing a common arrangement of the ulti
mate branches in this part..................................................... 221
4. Portion of 4 magnified........................................................... 221
5. nbsp;nbsp;nbsp;Upper part of a small penultim.ate branch ;nbsp;nbsp;nbsp;nbsp;a commonnbsp;nbsp;nbsp;nbsp;form ........................ 221
6. nbsp;nbsp;nbsp;Summit of a penultimate branch carrying anbsp;nbsp;nbsp;nbsp;partiallynbsp;nbsp;nbsp;nbsp;destroyed cone.............. 221
7. nbsp;nbsp;nbsp;Upper part of a large penultimate branch........................................ 221
Fig. 8. Tobbbya Virginica, sp. ....................................................... 234
8. nbsp;nbsp;nbsp;Portion of an ultimate branch.................................................... 234
8. Leaf of 8 magnified.............................................................. 234
Fig. 9. Cephalotaxopsis micbophybla, sp. nov........................................ 238
9. nbsp;nbsp;nbsp;Upper part of a leafy branching twig............................................ 238
V -
PLATE CX.
Page.
Figs. 1-3. Bkachyphylldm crassicaule, sp. nov.......................................... 221
1. nbsp;nbsp;nbsp;Portion of a large ileoorticated brancli, showing oulj' the imprint of the decorti
cated material................................................................. 221
2. nbsp;nbsp;nbsp;Upper portion of a penultimate branch........................................... 221
3. nbsp;nbsp;nbsp;Portion of a bifurcating branch.................................................. 221
3'*. nbsp;nbsp;nbsp;Part of 3 magnified.............................................................. 221
Fig. 4. nbsp;nbsp;nbsp;Brachypiiyllum paeceramosum,nbsp;nbsp;nbsp;nbsp;sp. nov....................................... 223
4. nbsp;nbsp;nbsp;Fragments of several branches, some of them detached and ov'erlapping, showing
dichotomous mode of branching................................................ 223
PLATE CXI.
Page.
Figs. 1-5. Frenelopsis parceramosa, sp. nov.............................................. 218
1. nbsp;nbsp;nbsp;Portion of a stem with large branches, partly restored............................ 218
2. nbsp;nbsp;nbsp;Portion of a stem with remote branches......................................... 218
3. nbsp;nbsp;nbsp;Fragment of an ultimate branch of medium size................................. 218
3». Portion of 3 magnified.......................................................... 218
4. nbsp;nbsp;nbsp;Portion of a small stem with small and remote branches, one of them branching
again......................................................................... 218
5. nbsp;nbsp;nbsp;Small fragment of an ultimate branch of medium size............................ 218
Figs. 6,7. BRACHYPinrLEUM crassicaulb, sp. nov.......................................... 221
6. nbsp;nbsp;nbsp;Fragment of a ^arge branch..................................................... 221
7. nbsp;nbsp;nbsp;Fragment of a stem of medium size with several branches....................... 221
7. A portion of 7 magnified........................................................ 221
PLATE CXTI.
Page,
Figs. 1-5. Fkenelopsis parceramosa, sp.nov.............................................. 218
1. nbsp;nbsp;nbsp;Small portion of two branches of medium size.................................... 218
2. nbsp;nbsp;nbsp;Fragment of a rather large ultimate branch...................................... 218
3. nbsp;nbsp;nbsp;Unusually long fragment of an ultimate branch ................................ 218
3. Portion of 3 magnified to show the arrangement of the epidermal tubercles in lines. 218
4. nbsp;nbsp;nbsp;Portion of an ultimate branch having the greatest width seen.................... 218
5. nbsp;nbsp;nbsp;Portions of two stems, showing an umbellate arrangement of the branches........ 218
Figs. 6-8. Bhachyphyllum crassicaule, sp. nov.......................................... 221
6. nbsp;nbsp;nbsp;Upper portion of a penultimate branch.......................................... 221
7. nbsp;nbsp;nbsp;Portion of a stem with short ultimate branches.................................. 221
8. nbsp;nbsp;nbsp;Upper part of a penultimate stem or branch, showing a bifurcation in two of the
ultimate branches.............................................................* nbsp;nbsp;nbsp;221
Figs. 9-11. Sequoia cycadopsis, sp. nov.................................................... 243
9. nbsp;nbsp;nbsp;Portions of twigs with leaves of the largest size.................................. 243
9. Leaf magnified.................................................................. 243
10. nbsp;nbsp;nbsp;Portion of a twig with leaves of the largest size magnified, showing the keeled
midrib on the under side '..................................................... 243
11. nbsp;nbsp;nbsp;Portion of a tw3g showing small-sized leaves..................................... 243
11. Leaf of 11 magnified............................................................ 243
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE CXIl
PLATE CXIII,
Page.
Figs. 1-:?. Skquoia cycadopsis, sp. nov................................................... 243
1. nbsp;nbsp;nbsp;PortioiLS of twigs near the ends with leaves of the smallest size ..........------ 243
1. Leaves magnified.............. 243
2. nbsp;nbsp;nbsp;Portion of a twig with small leaves.............................................. 243
ya. Leaves magnified......................................*......................... 243
3. nbsp;nbsp;nbsp;Portion of the upper part of a twig with narrow, long leaves...................... 243
1'IG. nbsp;nbsp;nbsp;4. ÏORREYA FALCATA, Sp. UOV..................................................... 235
4. nbsp;nbsp;nbsp;Portion of a twig with small leaves.............................................. 235
4. Leaves magnified................................................................ 235
Figs. 5, 6. Athkotaxopsis exp ansa, sp. nov..... ......................................... 241
5. nbsp;nbsp;nbsp;Fragment of a widely spreading branch.......................................... 241
5. Fragment magnified to show the lateral leaves, those on the upper face of the
twigs having been removed by maceration.................................... 241
5'=. Portion of the ultimate twigs magnified, nbsp;nbsp;nbsp;showing all the leaves in place.......... 241
C. Fragment ot a branch showing all the leaves retained............................ 241
PLATE OXIV,
,.:rA5
Page.
Figs. 1-3. Athkotaxopsis grandis, sp. nov............................................... 240
1. nbsp;nbsp;nbsp;Fragments of a large branch, showing twigs which contain cones in the lower
portions and leafy branches without cones in the upper parts.................. 240
2. nbsp;nbsp;nbsp;Fragments of very long slender branches containing leafy twigs ................... 240
3. nbsp;nbsp;nbsp;Fragment of a branch associated with several detached cones..................... 240
3. Scale of a cone magnified........................................................ 240
Figs. 4, 5. Athkotaxopsis tenuicaulis, sp. nov........................................... 241
4. nbsp;nbsp;nbsp;Fragment of a branch carrying very small ultimate twigs........................ 241
4. Portion of an ultimate twig magnified........................................... 241
5. nbsp;nbsp;nbsp;Fragment of a twig which branches with unusual copiousness, and which has the
ultimate twigs more crowded than is common................................. 241
PLATE CXV.
Page.
Figs. 1,3. Athkotaxopsis pachyphylla, sp. uov..........................................
1. nbsp;nbsp;nbsp;Upper piirt of a small branch.................................................... 242
P. Portion of an ultimate twig magnified............................................ 242
3. nbsp;nbsp;nbsp;Portion of a small copiously branching twig..................................... 242
Fig. nbsp;nbsp;nbsp;2. Athrotaxopsis expansa,sp. nov............................................... 241
2. nbsp;nbsp;nbsp;Portions of a widely expanded branch.......................................... 241
Fig. nbsp;nbsp;nbsp;4. Athrotaxopsis tenuicaulis, sp. nov........................................... 241
4. nbsp;nbsp;nbsp;Fragments of a branching stem with ultimate twigs of the largest size............ 241
4quot;. Portion of an ultimate twig magnified........................................... 241
i nbsp;nbsp;nbsp;^ âSinbsp;nbsp;nbsp;nbsp;tilnbsp;nbsp;nbsp;nbsp;' âïs Pi:^ j-ânbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;⢠â¢nbsp;nbsp;nbsp;nbsp;j
: ' nbsp;nbsp;nbsp;^ â . 'nbsp;nbsp;nbsp;nbsp;anbsp;nbsp;nbsp;nbsp;^ M ti^ fi 1/nbsp;nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;â'''- 4 â 'nbsp;nbsp;nbsp;nbsp;', Ja
lt; *quot;lt;* ' * nbsp;nbsp;nbsp;'vA . TlPV iP * £3^ ânbsp;nbsp;nbsp;nbsp;Wf quot; .« T *'*^.-lt;*nbsp;nbsp;nbsp;nbsp;*nbsp;nbsp;nbsp;nbsp;Knbsp;nbsp;nbsp;nbsp;â i *.? ^
' nbsp;nbsp;nbsp;-'nbsp;nbsp;nbsp;nbsp;ââ '' 'nbsp;nbsp;nbsp;nbsp;-v'sk â ââfit Wnbsp;nbsp;nbsp;nbsp;â ^ ' ââ 'â
rv£;âv4', nbsp;nbsp;nbsp;4 ^'.nbsp;nbsp;nbsp;nbsp;'-.
.fit nbsp;nbsp;nbsp;,':ï'nbsp;nbsp;nbsp;nbsp;'?ïi
I /,.â
' fs; nbsp;nbsp;nbsp;â .nbsp;nbsp;nbsp;nbsp;l -nbsp;nbsp;nbsp;nbsp;â
nfr ' nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;,nbsp;nbsp;nbsp;nbsp;â â «fï ⢠T
. â *⢠r nbsp;nbsp;nbsp;V A.'nbsp;nbsp;nbsp;nbsp;fe if #nbsp;nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;^ 'âib jt ^nbsp;nbsp;nbsp;nbsp;35»**'*nbsp;nbsp;nbsp;nbsp;««â¢-â b AK Ar ti\j2 *.nbsp;nbsp;nbsp;nbsp;*.â¢**.â¢ââ¢nbsp;nbsp;nbsp;nbsp;f. il «nbsp;nbsp;nbsp;nbsp;lt;4
PLATE CXVI.
MON XV-39
Page.
Figs. 1-4. Athrotaxopsis grandis, sp. nov................................................ 240
1. nbsp;nbsp;nbsp;Fragments of a large braucli beariug cones only.................................. 240
2. nbsp;nbsp;nbsp;Fragment of a comparatively small cone-bearing branoli. The uppermost minor
branch shows that these do not always lie in the same plane.................... 240
2. Scale of a cone of 2 magnified.............................. ..................... 240
3,4. Portions of small branches with ultimate leafy twigs. These, as shown in 3, do
not lie strictly in one plane.................................................... 240
3. Portion of 3 magnified........................................................... 240
Fig. nbsp;nbsp;nbsp;5. Athrotaxopsis bxpansa, sp. nov............................................... 241
5. nbsp;nbsp;nbsp;Portion of a twig with remote leafy branches.................................... 241
Fig. 6. Athrotaxopsis tenuioaulis, sp. nov........................................... 241
6. nbsp;nbsp;nbsp;Termination of two penultimate branches, showing at the ends ultimate twigs
similar to those lower down on the penultimate branches....................... 241
Fig. nbsp;nbsp;nbsp;7. Sequoia, sp ?................................................................... 248
7. nbsp;nbsp;nbsp;Cross-section of a cone flattened by pressure and retaining only a few scales....... 248
/gt; * nbsp;nbsp;nbsp;.AJ'. ' : . » ¦¦«-.^-'i',.nbsp;nbsp;nbsp;nbsp;gt;1 *;gt;--¦gt;nbsp;nbsp;nbsp;nbsp;If.
¦.«»# nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;-rf ,*»¦nbsp;nbsp;nbsp;nbsp;*Vnbsp;nbsp;nbsp;nbsp;quot;/¦s'
^ '
, nbsp;nbsp;nbsp;-s-
'. lt;l
A^tr'
. '5.
:(v?-
i J- nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;,-.'¦¦/;*-¦?^ ,nbsp;nbsp;nbsp;nbsp;¦''^*nbsp;nbsp;nbsp;nbsp;.,nbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;,i'nbsp;nbsp;nbsp;nbsp;,
,-w,,...a..,:^y......... ,.,,^j:. ,- ../,.u^!X^,:SS;-^quot;'*^ii^? i
A ^ nbsp;nbsp;nbsp;? FtW
g -^'. 3. , c . nbsp;nbsp;nbsp;^. v _nbsp;nbsp;nbsp;nbsp;'
! *
.. -4
r*
. -.' nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;- ¦nbsp;nbsp;nbsp;nbsp;% i -
ir nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;, :nbsp;nbsp;nbsp;nbsp; \t;-.A -quot;f-v -'.
'.' quot;'Vv.'Jquot;;.-:- - s, ^1 'Iè -ï . 4,gt;WV\-'- '¦
K--gt;¦«¦¦;:¦#-»ft nbsp;nbsp;nbsp;nbsp;nbsp;nbsp;nbsp;i'gt;,-nbsp;nbsp;nbsp;nbsp;.-^¦-V',^nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;j-'7-nbsp;nbsp;nbsp;nbsp;-3
f f I-quot;''- ¦: quot;Sa A'':-J'ïgt;-'- '¦ --'I ':
y nbsp;nbsp;nbsp;. ;¦'*'¦:-v-.-P
#' --' -¦¦¦¦¦ nbsp;nbsp;nbsp;¦-, quot;C?
PLATE CXVII.
Figs. 1,3-5. Athrotaxopsis pachyphylla, sp. nov..........
1. Portiou of a twig with remote ultimate branches. 3. Portiou from near the tip of a penultimate twig..nbsp;3®, S'*. Portions of 3 magnified..........................
|
4. | |
|
4®. | |
|
5. | |
|
5®. | |
|
Fig. |
2. |
|
2. | |
|
2®. | |
|
Fig. |
6. |
|
6. | |
|
Fig. |
7. |
|
7. | |
|
7®. | |
|
Fig. |
8. |
|
8. | |
|
8®. |
Fragment of a branch with crowded ultimate twigs of the largest size.
sp. nov
Leaf magnified.................................................
Sequoia Keichenbaciii (Gein.) Heer, var. longifolia.........
Fragment of a branch with leaves in all cases lacking their tips . Leaf magnified, but lacking the tip.............................
Page.
242
242
242
242
242
242
242
242
241
241
241
241
241
245
245
245
244
244
244
PLATE CXYIII.
Page.
Figs. 1,4, Sequoia Eeichenbaciii (Geinitz. sp.) Heer....................................... 243
1. Portion of a twig with unusually remote leaves.................................... 243
P'. Leaf magnified.............. 243
4. nbsp;nbsp;nbsp;Portion of a widely expanded leafy branch, slightly restored................. 243
2.
2.
2.
3.
3.
3.
Fig. nbsp;nbsp;nbsp;2.nbsp;nbsp;nbsp;nbsp;Sequoia ambigua Heer.......................................................... 245
Small fragment of a branch....................................................... 245
Leaves magnified............................................................... 245
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Sequoia kigida Heer............................................................ 246
Portion of a branch with leaves of the largest size................................. 246
Leaves magnified................................................................ 246
Figs. 5,6. Sequoia subulata Heer........................................................ 245
5. nbsp;nbsp;nbsp;Small fragment of an older twig......................... 245
5. Portion of a leaf magnified....................................................... 245
6.
6.
7.
7.
Portions of several ultimate leafy twigs with leaves of maximum length........... 245
Leaves magnified...................................................... 245
Fig. nbsp;nbsp;nbsp;7,nbsp;nbsp;nbsp;nbsp;Spiienolepidium Sternbergianum, var. densifoi.ium Heer...................... 261
Fragmeut of a small twig......................................................... 261
'S' . quot;.xiâ /»â . , â â â ;,â.â â¢, â¢; .-â â nbsp;nbsp;nbsp;;â ,nbsp;nbsp;nbsp;nbsp;;â ' .â . ⢠â¢'⢠M . ^. fcvâ' .
PLATE CXIX.
Page.
Figs. 1-5. Sequoia Eeichbnbachi (Geinitz, sp.) Heer...................................... 243
1. nbsp;nbsp;nbsp;Portions of a large branch ...................................................... 243
2. nbsp;nbsp;nbsp;Fragment of a branch with densely crowded leaves.............................. 243
2. Portion of 2 magnified.......................................................... 243
3. nbsp;nbsp;nbsp;Fragments of a copiously branching twig carrying short leaves ..nbsp;nbsp;nbsp;nbsp;............ 243
4. nbsp;nbsp;nbsp;Portion of an old twig showing scars of fallen leaves............................ 243
5. nbsp;nbsp;nbsp;Portion of an old twig, slightly magnified and showing leaf-scars, partially re
stored ........................................................................ 243
PLATE CXX.
Page.
Figs. 1-6. Sequoia ambigua Heer, sp. nov................................................ 245
1. nbsp;nbsp;nbsp;Portion of a Franoli with a cone. The upper cone seems to be placed by accident
on the leafy twig carrying it................................................... 245
2. nbsp;nbsp;nbsp;Fragment of a branch showing scars of fallen leaves on the upper surface of the
stem......................................................................... 245
2. Soar magnified.................................................................. 245
3. nbsp;nbsp;nbsp;Fragment of a partially decorticated branch, retaining a portion of only one
ultimate twig................................................................. 345
4. nbsp;nbsp;nbsp;Portion of a branch with many leafy twigs......................... 245
5. nbsp;nbsp;nbsp;Summit of a leafy branch with unusually long leaves............................ 245
6. nbsp;nbsp;nbsp;Leafy twig with a cone at its apex.............................................. 245
6®. Outer surface of a scale of the cone magnified...... ............................ 245
Figs. 7,8. Sequoia Eeichenbachi (Geinitz, sp.)Heer...................................... 243
7. nbsp;nbsp;nbsp;Fragment of an old branch with the leaves departing from the stem nearly at
right angles................. 243
8. nbsp;nbsp;nbsp;Fragment of an ultimate twig............ 243
8. Leaves of 8 magnified........................................................... 243
Fig. 9. Sequoia, sp.?................................................................... 243
9. nbsp;nbsp;nbsp;Stem of Sequoia, showing leaf-scars............................................. 243
PLATE CXXL
Page.
Fiti. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;Akaucaeia ZAMI0IDE8, sp. nov.............................................. 230
1. nbsp;nbsp;nbsp;Tip of an ultimate twig...................................................... 250
1. Leaves magnified............................................................ 250
Fig. nbsp;nbsp;nbsp;2.nbsp;nbsp;nbsp;nbsp;Sequoia kigida Heer........................................................ 246
2. nbsp;nbsp;nbsp;Portion of a twig with leaves of medium size................................. 246
2. Leaves magnified ...........................................................
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Sequoia dblicatuea, sp. nov................................................ ^47
3. nbsp;nbsp;nbsp;Portion of a leafy branch slightly restored.........................-.......... 247
3. Portion magnified ........................................................... 247
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Sequoia densifolia, sp. nov................................................ 246
4. nbsp;nbsp;nbsp;Portion of an ultimate twig.................................................. 246
4. Leaves ra.agnified............................................................ 246
Figs. 5,7,9. nbsp;nbsp;nbsp;Spiibnolepidium Steenbeegianum,nbsp;nbsp;nbsp;nbsp;var.nbsp;nbsp;nbsp;nbsp;densifolium Heer................. 261
5,7. Portions of detached ultimate twigs......................................... 261
5, S'*. Different portions of 5 magnified........................................... 261
7. Leaves of 7 magnified.......................................-................ 261
9. nbsp;nbsp;nbsp;Portion of a twig with several branches................................ 261
9'. Leaves magnified............................................................ 261
Fig. nbsp;nbsp;nbsp;6.nbsp;nbsp;nbsp;nbsp;Taxodium (Gi.yptostkobus) Virginicum, sp. nov............................ 252
6. Portion of a branch with several nltimate twigs.............................. 252
Figs. 8,10,11. Sphenolbpidium Sternbergianum nbsp;nbsp;nbsp;(Dunk, sp.) Heer........................ 261
8,11. Portions of ultimate twigs................................................... 261
8. Leaves of 8 magnified........................................................ 261
10. nbsp;nbsp;nbsp;Portions of sever.al ultimate twigs............................................ 261
10. Leaves mganified............................................................ 261
gt;V.T
.v!
. .-i
'a
1
Page.
Fig. nbsp;nbsp;nbsp;1. Taxodiüm (Gltptostrobcs) Bkookense, sp. nov................................ 254
1. nbsp;nbsp;nbsp;Portion of a large widely expanded branch, with twigs of maximum thickness,
slightly restored............................................................... 254
1, P. Portions of ultimate twigs magnified............................................. 254
!gt;. Shows the more characteristic form and attachment of the leaves................. 254
Fig. nbsp;nbsp;nbsp;2. Sequoia Eeichenbachi (Geinitz, sp.) Heer...................................... 243
2. nbsp;nbsp;nbsp;Probably a portion of an older twig of Sequoia Meiohenhachi....................... 243
PLATE CXXIII.
Page.
Fig. 1. Taxodium (Glyptostkobus) expansum, sp. iiov................................. 25d
1. nbsp;nbsp;nbsp;Fragment of a wide-spreading brancti............................................ 252
1. Leaves of the ultimate twigs magnified......................................... 252
1. Leaves of the main stem magnified.............................................. 252
Figs. 2,3. Taxodium (Glyptostrobus) ramosüm, sp. nov.................................. 251
2. nbsp;nbsp;nbsp;Fragment of a medium-sized branch...................................... ...... 251
2*. Portion of the same magnified, and showing at 6 the tip of one of the ultimate
twigs where a male strobile has fallen off....................................... 251
3. nbsp;nbsp;nbsp;Fragment of a copiously branching stem With many short ultimate twigs......... 251
3% 3''. Short ultimate twigs magnified................................................. 251
nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;-*^-¥53
.. -ïL' .¦ . nbsp;nbsp;nbsp;'¦nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;/-nbsp;nbsp;nbsp;nbsp;- .'. c '-.¦. . .'
^i'.
-.4. .
':4rr'T nbsp;nbsp;nbsp; ¦ inbsp;nbsp;nbsp;nbsp;1
. « t i -t-' nbsp;nbsp;nbsp;^ -
¦- -gt;^,1 nbsp;nbsp;nbsp;.-5^1nbsp;nbsp;nbsp;nbsp;..¦¦; .il-i----' -
' Vï J. N»c , nbsp;nbsp;nbsp;'¦»-nbsp;nbsp;nbsp;nbsp;.
^-gt;.
-/o-s
^ ür' ¦'fc ' ', nbsp;nbsp;nbsp;quot; s n^Sfr»'
«. nbsp;nbsp;nbsp;nbsp;nbsp;nbsp;nbsp;-;s-nbsp;nbsp;nbsp;nbsp;1,nbsp;nbsp;nbsp;nbsp;¦ , 'r ................ 'l|)ll I ' l**'*quot;^*?* nbsp;nbsp;nbsp;**nbsp;nbsp;nbsp;nbsp;nbsp;nbsp;nbsp;nbsp;~nbsp;nbsp;nbsp;nbsp;r^-'W'Snbsp;nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;,nbsp;nbsp;nbsp;nbsp;'»'¦ i- *nbsp;nbsp;nbsp;nbsp;«n.
PLATE CXXIV.
MON XV-40
Page.
Fig. nbsp;nbsp;nbsp;1. Taxodium (Glyptostrobus^ denticulatdm, sp. nov............................ d53
1. nbsp;nbsp;nbsp;Small fragment of a braucli...................................................... 253
1. Portion of 1 magnified........................................................... 253
Fig. nbsp;nbsp;nbsp;2. Taxodium (GlyptostrobuS; ramosum, sp. nov ............................. 251
2. nbsp;nbsp;nbsp;Several fragments of branches showing ultimate twigs from the tips of which male
strobiles have fallen........................................................... 251
2. Ultimate twig magnified......................................................... 251
Figs. 3-9. Taxodium (Glyptosteobus) Brookbnse, sp. nov.............................. 254
3. nbsp;nbsp;nbsp;Fragment of branches showing leaves unusually divergent....................... 254
3. Portion of a twig magnified..................................................... 254
4,8. Fragments of branches with ultimate twigs of the nbsp;nbsp;nbsp;maximum normal thickness ...nbsp;nbsp;nbsp;nbsp;254
4. Portion of an ultimate twig magnified........................................... 254
5,6,7. Portions of ultimate twigs of unusual thickness; 7 has the leaves more than commonly divergent.......................................-....................... 254
7. Portion of 7 magnified........................................................... 254
9. Fragments of a branch with thick ultimate twigs and the leaves on the main stem
unusually divergent..................................................... 254
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE CXXIV
PLATE CXXV^
Page.
Figs. 1,3. Tax odium (Glyptostrobos) fastigiatum, sp. iio\ ............................... 353
1. nbsp;nbsp;nbsp;Fragments of a very large branch................................................. 253
1'. Leaves of the principal stem magnified........................................... 253
IL Leaves of the ultimate twigs magnified.......................................... 253
3. nbsp;nbsp;nbsp;Fragments of subordinate twigs.................................................. 253
3. Part of 3 magnified.............................................................. 253
Fig. nbsp;nbsp;nbsp;2. Sphenolbpidium Sterxbergianum Heer, var. dbnsifolium...................... 261
2. nbsp;nbsp;nbsp;Small fragment of a branch............................ 261
2=*. Leaves magnified................................................................ 261
Fig. nbsp;nbsp;nbsp;4. Sphenolepidiom Virginicum, sp. nov............................................ 259
4. nbsp;nbsp;nbsp;Fragment of a branch bearing ripe cones andnbsp;nbsp;nbsp;nbsp;male strobiles; male strobiles at a nbsp;nbsp;nbsp;nbsp;259
4. Leaves magnified............................................ 259
PLATE CXXYI.
Page.
Figs 1,5,6. Sphenolepidium Kurrianum Heer.......................................... 260
1. nbsp;nbsp;nbsp;Portion of a copiously branched twig.......................................... 260
1. Portion of 1 magnified....... 260
5. nbsp;nbsp;nbsp;Portions of several detached branches........................ 260
5. Portion of 5 magnified......................................................... 260
6. nbsp;nbsp;nbsp;Portion of a copiously branched twig.......................................... 260
6. Portion of 6 magnified......................................................... 260
Fig. 2. Sequoia rigipa Heer......................................................... 246
2. nbsp;nbsp;nbsp;Fragment of a copiously branched twig........................................ 246
2quot;. Leaves magnified............................................................. 246
Figs. 3,4. Sequoia gracilis Heer...................................................... 247
3. nbsp;nbsp;nbsp;Portion of a small twig........................................................ 247
3. Leaves magnified............................................................. 247
4. nbsp;nbsp;nbsp;Fragment of a copiously hranching twig ...................................... 247
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE CXXVI
PLATE OXXYII,
Page.
Fig. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;Taxodium (Glyptostrobus) ramosum, sp. ..................................... 251
1. nbsp;nbsp;nbsp;Fragment of a medium-sized branch.............................................. 251
Fig. nbsp;nbsp;nbsp;2.nbsp;nbsp;nbsp;nbsp;Sphenolbpidium rbcurvifolium, sp. nov........................................ 258
2. nbsp;nbsp;nbsp;Portions of a large branch slightly restored....................................... 258
2. Leaves of 2 magnified............................................................ 258
Figs. 3,4. Sphbnolepidium dbntifolium, sp. nov..........-............................... 258
3. nbsp;nbsp;nbsp;Fragment of a branch with unusually slender woody axes. Two branches over'ap
near their insertions......................................................... 258
4. nbsp;nbsp;nbsp;Termination of a twig with leaf-buds.......................... ................. 258
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;Sequoia ambigua Heer......................................................... 245
5. nbsp;nbsp;nbsp;Fragment of a leafy branch...................................................... 245
5. Leaves magnified...............................-........r......-...............
PLATE OXXVIII
Page.
Figs. 1,7. Sphbnolepidium Kurrianum Heer.............................................. 260
1. nbsp;nbsp;nbsp;Fragment of a copiously branching twig........................................ 260
1. Portion of 1 magnified.......................................................... 260
7. Fragment of a branch with thick ultimate twigs................................. 260
7. Portion of 7 magnified.......................................................... 260
Figs. 2-6. SiHknolbpidium dbntifolium, sp. nov......................................... 258
2. nbsp;nbsp;nbsp;Portions of detached twigs of the largest size.................................... 258
2. Portion of 2 magnified.......................................................... 258
3,4,6. Fragments of twigs of average size.............................................. 258
3, 6. Portions of 3 and 6 magnified................................................... 258
5. Fragments of twigs with closely placed ultimate branches........................ 258
5. Leaves magnified ................................................................. 258
PLATE CXXTX
Page.
Tigs. 1,2,4,6,8. Sphenolkpidium Kurrianum Heer........................................ 260
1. nbsp;nbsp;nbsp;Fragment of a branch with unusually small leaves.......................... 260
1. Leaves magnified.......................................................... 260
2. nbsp;nbsp;nbsp;Portion of a twig with narrow and unusually divergent leaves; possibly a 260
variety..................................................................
4. Small fragment with dimorphous leaves.............................-...... 260
4. Leaves of the main stem magnified......................................... 260
6. nbsp;nbsp;nbsp;Small portion of an ultimate twig. It has the appearance of Tnolejns Heer.. 260
8. Portions of several twigs attached to a large stem.......................... 260
8. Portion of the twigs magnified............................................. 260
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Sphenolepididm Sternbergianum Heer,nbsp;nbsp;nbsp;nbsp;var, densipobium............... 261
3. nbsp;nbsp;nbsp;Portion of a twig with unusually broad leaves.............................. 261
3. nbsp;nbsp;nbsp;Portion of 3 magnified.................................................. 261
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;Spiibnolkpidium dbktifolium, sp. nov.................................... 258
.5, Portion of a .small twig.....................-.............................. 258
Fig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;SpHENOLEPIDIÜM PARCERAMOSÜM, sp. nov.................................. 257
7. nbsp;nbsp;nbsp;Fragment of a very long and slender branch................................ 257
7. nbsp;nbsp;nbsp;Leaves of the main stem magnified......................................... 257
7'gt;. nbsp;nbsp;nbsp;Leaves of the ultimate twigs magnified..................... 257
U. 8. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE CXXIX
PLATE CXXX.
Page.
Pig. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;Sphbsolepidiumnbsp;nbsp;nbsp;nbsp;Sternbbrgianum, var. dbnsifolium Heer.................. 261
1. nbsp;nbsp;nbsp;Fragment with large lateral leaves, and showing no facial ones................. 261
1. Leaves magnified.............................................................. 261
Figs. nbsp;nbsp;nbsp;2,7.nbsp;nbsp;nbsp;nbsp;Sphbnolbpidiumnbsp;nbsp;nbsp;nbsp;recxjrvifooum, sp. nov.................................... 258
2. nbsp;nbsp;nbsp;Portion of an ultimate twig............................... 258
2'*. Leaves magnified.............................................................. 258
7. nbsp;nbsp;nbsp;Portion of a branching twig................................................... 258
7. Leaves magnified................... 258
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Sequoia rigida Heer......................................................... 246
3. nbsp;nbsp;nbsp;Fragments of twigs with short leaves.......................................... 246
3. Leaves magnified.............................................................. 246
Figs. 4-6,10. Sphenolbpidium dentieolium, sp. nov......... 258
4. nbsp;nbsp;nbsp;Fragment of a large branch with small leaves............. 258
4. Leaves magnified. This form and 5 look like some forms of nbsp;nbsp;nbsp;258
5. nbsp;nbsp;nbsp;Fragment of a large ultimate twig........................... 258
5^ Leaves magnified............................................................. 258
6. nbsp;nbsp;nbsp;Tip of a twig with two lateral leaf-buds and a terminal undeveloped twig------- 258
10. nbsp;nbsp;nbsp;Portion of a small twig....... 2.58
10. Leaves magnified.............................................................. 258
Pig. nbsp;nbsp;nbsp;8.nbsp;nbsp;nbsp;nbsp;Sphbnolepidiumnbsp;nbsp;nbsp;nbsp;parceramosum, sp. nov..................................... 257
8. nbsp;nbsp;nbsp;Portion of a twig............................................................. 257
8. Leaves of the ultimate twigs magnified........................................ 257.
Fig. nbsp;nbsp;nbsp;9.nbsp;nbsp;nbsp;nbsp;Sphenolbpidiumnbsp;nbsp;nbsp;nbsp;Sternbergianum Heer..................................... 261
9. nbsp;nbsp;nbsp;Portion of a twig with normal leaves.......................................... 261
9quot;. Leaves magnified............................... 261
Fig. nbsp;nbsp;nbsp;11.nbsp;nbsp;nbsp;nbsp;Sphenolepidiumnbsp;nbsp;nbsp;nbsp;Kurrianum Heer........................................... 260
11. nbsp;nbsp;nbsp;Small fragment of a branch j the detached leaf-bud near it is probably that of
Sphenolepidiuni dentifoKum.................................................... 260
11. Leaves magnified.........-.................................................... 260
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE CXXX
A-
PLATE CXXXI.
Figs. 1, 3. Sphenolbpidium Sternbergianum, var. densipolium Heer......
1. nbsp;nbsp;nbsp;Fragment of a brauoli with undeveloped twigs and leaf-buds......
la_ic Portions of 1 magnified....................................... ....
3. nbsp;nbsp;nbsp;Fragments of very slender twigs..................................
3. Leaves magnified ................................................
Fig. 2. Sphenolkpidium parceramosum, sp. nov........................
2. nbsp;nbsp;nbsp;Fragment showing long slender branches.........................
Fig. 4. Sphenolbpidium Kurrianum Heer.............................
4. nbsp;nbsp;nbsp;Fragment showing stout twigs....................................
Fig. 5. Taxodium (Glyptostrobus) Brookensb, sp. nov................
5. nbsp;nbsp;nbsp;Fragment of a branch showing unusually divergent lateral leaves
5. Leaves magnified................................................
Figs. 6, 7. Sphenolbpidium paChyphyllum, sp. nov.......................
6. nbsp;nbsp;nbsp;Portion of a twig showing leaves of the largest size..............
7. nbsp;nbsp;nbsp;Portion of a twig with lateral branches..........................
7. Leaves of 7 magnified...........................................
Page.
261
261
261
261
261
257
257
260
260
254
254
254
259
259
259
259
PLATE CXXXTI
MON XV-41
Page.
Fig. 1. Taxodhjm (Glyptostrobds) RAMOSÜM, sp. iiov................................ 251
1. nbsp;nbsp;nbsp;Portion of a fastigiately brauched twig......................................... 251
1». Portion of 1 magnified......................................................... 251
Figs. 2,5,6. Sequoia, sp. ?.................................................................. 248
2. nbsp;nbsp;nbsp;Portion of a cone seen erect.................................................... 248
2, 2igt;. Scales of 2 magnified........................................................... 248
5, 6. Portions of cross-sectious of cones.............................................. 248
Fig. 3. Sequoia ambigua Heer........................................................ 245
3. nbsp;nbsp;nbsp;Fragment of a small twig...................................................... 245
3. Portion of 3 magnified......................................................... 245
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Sphbnolepidium Sternbergianum Heer, var. densifolium................... 261
4. nbsp;nbsp;nbsp;Termination of a leafy twig ................................................... 261
4. Portion of 4 magnified......................................................... 261
Fig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;Abiktites macrocarpus, sp. nov.............................................. 262
7. nbsp;nbsp;nbsp;Fragment of a very long cone.................................................. 262
Figs. nbsp;nbsp;nbsp;8,9.nbsp;nbsp;nbsp;nbsp;Abiktites ellipticus, sp. nov................................................. 263
8. nbsp;nbsp;nbsp;Portion of a cone showing the basal parts of the scales retained................. 263
9. nbsp;nbsp;nbsp;Portion of a cone exposing the axis............................................ 263
Fig. nbsp;nbsp;nbsp;10.nbsp;nbsp;nbsp;nbsp;Sequoia, sp. ?................................................................ 248
10. Portion of a cone seen compressed in the direction of its axis.................... 248
U. 8. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE CXXXII
MOSS ENG. CO.. N. Y.
PLATE CXXXIII.
Fig.
Figs. 2-4.
2.
3.
4.
Pigs. 5-7.
5.
6,7.
6.
Figs. 8-12. 8-12.
Page.
Abibtites angusticakpus, sp. ................................................. 263
Portion of a cone showing in front the axis with soars of scales................... 263
Abietitks ellipticus, sp. ..................................................... 263
Portion of a cone showing the bases of the scales retained....................... 263
Number of scales in natural position showing the parts by which the scales wore
attached..................................................................... 263
Nearly perfect cone showing the basal parts of the scales........................ 263
WiLLIAMSONIA VlKGINIENSIS, sp. nOV........................................... 273
The summit of the peduncle and portions of bracts or leaves void of hair-like
appendages.................................................................. 273
The summits of the peduncle and bracts with hair-like appendages ............. 273
Portion magnified.............................................................. 273
Aeagcaritbs Aqüiensis, sp. no................................................. 264
Scales of varying character, natural size, found always detached................. 264
fr-
I f nbsp;nbsp;nbsp;,4 4*1 r N* I.nbsp;nbsp;nbsp;nbsp;y-. Hl'»nbsp;nbsp;nbsp;nbsp;*^ vT
/«v' r '* nbsp;nbsp;nbsp;' '«''Xifltr. .i»'lt;. ..nbsp;nbsp;nbsp;nbsp;».nbsp;nbsp;nbsp;nbsp;u'-i..nbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;v-v- ---nbsp;nbsp;nbsp;nbsp;M-'v' -M
iBï'i'.riws lt;¦'.jaa *»v3i;sKï*'i-w«a!jj; . j/ 5! - i? ..L t;nbsp;tquot; nbsp;' t 't ,'.j .nbsp;nbsp;nbsp;nbsp;^''' '________%. j - __________?______ .» '__________________________________r_- _:
PLATE CXXXIV.
Page.
Fig. nbsp;nbsp;nbsp;1. CARPOLITIIUS PASCICÜLATÜS, sp. IIOV............... ......................... 2f)5
1. Group of nut-like seed....................................................... 265
Figs. 2-4,6,8. Carpouthus tbrnatus, sp.nov............................................. 265
2-4,6,8. Groups of nut-like seed, associated mostly in clusters of threes................ 265
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;Carpolithusnbsp;nbsp;nbsp;nbsp;agglombratus, sp. nov..................... 267
5. Clusters of seed............................................................. 267
Fig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;Araucaritesnbsp;nbsp;nbsp;nbsp;Virginicus, sp. nov................... 263
7. Nearly perfect cone, with the scales retained, slightly restored................ 263
Fig. nbsp;nbsp;nbsp;9.nbsp;nbsp;nbsp;nbsp;Carpolithusnbsp;nbsp;nbsp;nbsp;conjugatus, sp. nov........................................... 267
9. Group of seed arranged in a radiate manner.................................. 267
Fig. nbsp;nbsp;nbsp;10.nbsp;nbsp;nbsp;nbsp;Carpolithusnbsp;nbsp;nbsp;nbsp;geminatus, sp. nov............................................ 267
10. Pair of nut like seed......................................................... 267
Figs. 11-14. Carpolithus Vieginiensis, sp. nov........................................ 266
11,13,14. Groups of elliptical nut-like seed............................................. 266
11®, 14. Magnified seed of 11 and 14, respectively..................................... 266
12. Nut-like seed, somewhat different from those of 11,13, and nbsp;nbsp;nbsp;14................. 266
PLATE CXXXV.
1,5.
1.
5.
2, 4. 2,4.nbsp;2.
3.
3.
6. 6.
7.
7, 7».nbsp;7».
8.
8.
9.
9.
10.
10.
11,21.
11,21.
12.
12.
13.
13.
14. 14.
15,18,22. 15,18,22.nbsp;15».nbsp;15gt;gt;.
16.
16.
16».
17.
17.
19.
19.
20. 20.
Figs.
Figs.
Fig.
Fig.
Fig.
Fig.
Fig.
Fig.
Figs.
Fig.
Fig.
Fig.
Figs.
Fig.
Pig.
Fig.
Fig.
Page.
Carpolithds Virginiensis, sp. ........................................... 266
A Dumber of seeds attached................................................. 266
A detached seed................................-........................... 266
Carpolithus Brookbnsis, sp. ............................................ 268
Detached seed with loug beaks............................................. 268
A seed magnified........................................................... 268
Carpolithus LATUS, sp. nov................................................ 269
Detached seed.............................................................. 269
Lbptostrobus ? (a) sp. ? sp. nov. ?.......................................... 231
Seed with a winged margin................................................. 231
Ament of conifer (e), sp. ?.................................................. 226
What seems to be the male strobile of some conifer.......................... 226
Portion magnified.......................................................... 226
Single scale flattened and magnified........................................ 226
Brachtphyllum, sp. ?..................................................... 223
What seems to be a cone of Brachyphyllum................................. 223
Brachtphyllum, sp. ?............................. ....................... 224
Cone of what seems to be a Brachyphjdlum distinct from that depicted in 8 .. nbsp;nbsp;nbsp;224
Athrotaxopsis gbaxdis, sp. nov........................................... 240
Cone....................................................................... 240
Cycadeospermum spatglatum, sp. nov.................................... 271
Detached seed, that appear to be those of cycads............................ 271
Cycadeospermum acutum, sp. nov........................................ 270
Apparently a seed of a cycadaceous plant.................................. 270
Cycadeospermum obovatum, sp. nov...................................... 270
Probably a cycadaceous seed................................................ 270
Capsules, sp. ?............................................................. 270
Twinned capsules of undetermined species.................................. 270
Athrotaxopsis expansa, sp. nov.......................................... 241
Cones of varying size..... ................................................. 241
Magnified form of 15....................................................... 241
Scale of 15 magnified...................... 241
Ament of Angiosperm, sp. ?................................................ 272
What seems to be a portion of an Angiosperm ament........................ 272
Portion of 16 magnified..................................................... 272
Carpolithus curvatus, sp. nov........................................... 269
What seems to be a nut-like seed...................................-........ 269
Cycadeospermum bllipticum, sp. nov..................................... 271
Seed apparently of a cycadaceous plant.......................... 271
Cycadeospermum angustum, sp. nov...................................... 271
What seems to be the seed of a cycadaceous plant........................... 271
PLATE OXXXYI.
Fig. 1. 1.nbsp;1».
Fig. 2.
2.
2^
Fig. 3.
3.
FiG. 4.
4. 4.
Fig. 5.
5.
5.
Fig. 6.
6.
Fig. 7.
7. 7.
Fig. 8.
8.
8.
Fig. 9.
9.
Fig. 10. 10.nbsp;10.
Fig. 11. 11.
Fig. 12. 12.
Fig. 13. Fig. 14.
Fig. 15. 15.
Page.
MaCROSPORBS, ? sp. ?............................................................... 274
What seem to he Macrospores...................................................... 274
Magnified form from 1............................................................. 274
Aments of conifers (lt;t), sp. ?........................................................ 225
Group of detached aments......................................................... 225
An ament magnified............................................................... 225
Aments of conifers (5l, sp. f........................................................ 225
Gives aments distinct from aments (a).............................................. 225
Aments of conifers (c), sp. ?......................................................... 226
Gives aments distinct from aments (a) and (i)....................................... 226
Ament magnified.................................................................. 226
Aments of conifers (d), sp. ?........................................................ 226
Aments different from those designated as aments (a), nbsp;nbsp;nbsp;........................ 226
Ament magnified................................................................. 226
Carpolithüs Beookensis, sp. nov................................................. 268
A detached seed of unusual form................................................... 268
Pollen sacs ?, sp. ?.................................................................. 272
What seemed to be pollen sacs..................................................... 272
Magnified form of 7...... 272
Aments of conifers (), sp.?........................................................ 227
What seem to be aments of conifers................................................ 227
One of 8 magnified................................................................. 227
Carpolithus SBSSILI8, sp. nov..................................................... 269
A nut-like seed attached........................................................... 269
Leptostkobüs ? (l)),8p. ? ................................... 231
Winged seed probably of Leptostrobns............................................. 231
Magnified form of 10............................................................... 231
LiBptostrobus ? (c), sp. ?.......................................................... 232
Large winged seed................................................................. 2.12
CYCADBOSPEEMUM ROTUNDATÜM, sp. nOV........................................... 271
Detached seed..................................................................... 271
Undetermined plant (a)............................................................ 271
Undetermined plant (ft)................................................... 271
Carpolithus mdcronatus, sp. nov................................................ 270
An attached seed...........-...................................................... 270
r.'\quot;:r TV.⢠-â ' nbsp;nbsp;nbsp;quot; quot;'nbsp;nbsp;nbsp;nbsp;-ij. .nbsp;nbsp;nbsp;nbsp;*i '
-.â¢i.gt;- I nbsp;nbsp;nbsp;''â ânbsp;nbsp;nbsp;nbsp;*'-V: â''-lnbsp;nbsp;nbsp;nbsp;' ⢠'-â quot;nbsp;nbsp;nbsp;nbsp;i ,nbsp;nbsp;nbsp;nbsp;'â iï** â¢.
; nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;r **nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;,nbsp;nbsp;nbsp;nbsp;«.nbsp;nbsp;nbsp;nbsp;' âAjc quot;*nbsp;nbsp;nbsp;nbsp;ftnbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;*gt;v
. .i nbsp;nbsp;nbsp;-2 -i'»nbsp;nbsp;nbsp;nbsp;- '* quot;V
.S'i*'*':'. â â *' nbsp;nbsp;nbsp;â â ', quot;i â1 â'J.nbsp;nbsp;nbsp;nbsp;-. â' ^.' ., -nbsp;nbsp;nbsp;nbsp;. .ei; . .'nbsp;nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;' ââ â â quot;â quot;â 'i âT â* V 1^nbsp;nbsp;nbsp;nbsp;â¢â¢'â ' -'i'^-
..V, nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;â ' âJït. 8t, »i -nbsp;nbsp;nbsp;nbsp;.. â *nbsp;nbsp;nbsp;nbsp;A...nbsp;nbsp;nbsp;nbsp;.'-Wt ;nbsp;nbsp;nbsp;nbsp;* iï.
f nbsp;nbsp;nbsp;.,nbsp;nbsp;nbsp;nbsp;ânbsp;nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;.-ji 'nbsp;nbsp;nbsp;nbsp;,;..... ; nbsp;nbsp;nbsp;â » -T
.^-. ...v-ï «...v'- â nbsp;nbsp;nbsp;*â .â¢--..nbsp;nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;. -rV'*' ^nbsp;nbsp;nbsp;nbsp;â¢nbsp;nbsp;nbsp;nbsp;.', 'Tj,
â 'â Cvï'.iV' â ..':''-m.ilif -....vr-
-A#!:!r:gt;«.'i.(»
*«A.-
ï.quot; ' ' â .⢠nbsp;nbsp;nbsp;',â ' ' 'nbsp;nbsp;nbsp;nbsp;.4nbsp;nbsp;nbsp;nbsp;â â¢nbsp;nbsp;nbsp;nbsp;w \
. : 'v -T-:.
ïV â ^'l'T4
amp;\â-l..-.' '-quot;ir
,? quot;, v'V.
⢠gt;IC- i.
'or * nbsp;nbsp;nbsp;-V
m
r,^'-r'.' .^â ... . â \% \ fvVfï* ^ â -. %J-.V; â '
,x nbsp;nbsp;nbsp;../ ^4nbsp;nbsp;nbsp;nbsp;..J. *
4'
,i â¢. â a .⢠. nbsp;nbsp;nbsp;gt;^i(g«i^r7? ⢠â'â *' âï.â 'nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;#fel'.;v '.nbsp;nbsp;nbsp;nbsp;.i:*nbsp;nbsp;nbsp;nbsp;â â¢
PLATE CXXXYII.
Page.
Fig. 1. Undetermined plant (c).......................................................... 275
2,3. Undetermined plant (lt;?).......................................................... 275
4. nbsp;nbsp;nbsp;Undetermined plant (e).......................................................... 275
5. nbsp;nbsp;nbsp;Undetermined plant ()......................................................... 275
Fig. 6. Acaci^phylldm longifoliüm, sp. nov.......................................... 279
6. nbsp;nbsp;nbsp;Base of a large leaf.............................................................. 279
PLATE OXXXYIII.
Page.
Figs. 1-3. Acaci^ephyllum longifolu m, sp. nov....................................... 279
1. nbsp;nbsp;nbsp;Portion of a stem and two leaves.............................................. 279
2. nbsp;nbsp;nbsp;Upper part of a large leaf..................................................... 279
3. nbsp;nbsp;nbsp;Basal portion of a large leaf................................................... 279
Figs. 4,6-9. Acacüephtlltjm spatulatüm, sp. nov....................................... 280
4. nbsp;nbsp;nbsp;Leaf of medium size.......................................................... 280
4. Leaf magnified................................................................ ^^80
6. nbsp;nbsp;nbsp;Lower part of a large leaf..................................................... 280
7. nbsp;nbsp;nbsp;Small leaf acute at tip......................................................... 280
8. nbsp;nbsp;nbsp;Small leaf obtuse at tip........................................................ 280
9. nbsp;nbsp;nbsp;Stem with leaves attached............¦......................................... 280
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;ACACI^PHYLLÜM MICROPHYI.LUM, sp.nbsp;nbsp;nbsp;nbsp;nov...................................... 280
5. nbsp;nbsp;nbsp;Portion of a stem and a branch with attached leaves.......................... 280
Figs. 10-12. Ctenis imbricata, sp. nov.................................................... 177
10. nbsp;nbsp;nbsp;Summit of a leaf.............................................................. 177
11. nbsp;nbsp;nbsp;Upper portion of a leaf with portions of leaflets................................ 177
12. nbsp;nbsp;nbsp;Middle portion of a leaf with basal parts of leaflets........................... 177
Fig. nbsp;nbsp;nbsp;13.nbsp;nbsp;nbsp;nbsp;Sagenopteris Virginiensis, sp. nov.......................................... 150
13. nbsp;nbsp;nbsp;Upper part of a leaf........................................................... 150
Fig. nbsp;nbsp;nbsp;14.nbsp;nbsp;nbsp;nbsp;Conospbrmites bllipticus, sp. nov.................... 279
14. nbsp;nbsp;nbsp;Portion of a leaf.............................................................. 279
14quot;. Restored form of 14............................................................ 279
PLATE CXXXIX.
Page.
Fig. 1. SAGBKOPTERIS ViRGINIENSIS, 81gt;. UOV................................................. 150
1. nbsp;nbsp;nbsp;Portion of the base of a leaf......................................................... 150
Fig. 2. ProtEvEphyllum, sp. ?8p. nov..................................................... 281
2. nbsp;nbsp;nbsp;Tip of a leaf........................................................................ 281
Fig. 3. Prote^phyllum rbniforme, sp. nov............................................... 282
3. nbsp;nbsp;nbsp;An entire leaf....................................................................... 282
3. Leaf 3 enlarged three diameters...................................................... 282
Fig. 4. Prote^phyleum ORBicuLARB, sp. nov............................................... 283
4. nbsp;nbsp;nbsp;Greater part of a leaf................................................................ 283
4. Portion of 4 enlarged three diameters................................................ 283
4'gt;. Small portion of 4 more enlarged than 4, to show ultimate reticulation................ 283
Fig. 5. Prote.ephyledm oblongifoliom, sp. nov........................................... 284
5. nbsp;nbsp;nbsp;Basal portion of a leaf............................................................... 284
S'*. Part of 5 enlarged three diameters................................................... 284
Fig. 6. Rogersia longifolia, sp. nov....................................................... 287
6. nbsp;nbsp;nbsp;Basal portion of a slender leaf....................................................... 287
Fig. 7. Sassafras parvifolium, sp. nov.................................................... 289
7. nbsp;nbsp;nbsp;Upper part of what seems to be a very small sassafras leaf............................ 289
.f ' vi-'^.ï nbsp;nbsp;nbsp;âf'^»nbsp;nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;c '*»nbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;' I ânbsp;nbsp;nbsp;nbsp;^ y ^T * .nbsp;nbsp;nbsp;nbsp;,^x .?â ^â*, '*â ^ L vV ^ A' â ' '?^-****nbsp;nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;â *.âºâ nbsp;nbsp;nbsp;nbsp;' i 'nbsp;nbsp;nbsp;nbsp;' J»^nbsp;nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;»/.,nbsp;nbsp;nbsp;nbsp;' '*lt; l .*, 'nbsp;nbsp;nbsp;nbsp;-gt;?s,nbsp;nbsp;nbsp;nbsp;' ïjv . *⢠* *âM
'v ife-^rTT â¢, nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;^-v -^.r.â ' Vâ.quot; lt;'-V-*'-'\-' .'\i' ',â ⢠⢠'*^Jr.-nbsp;nbsp;nbsp;nbsp;, '''nbsp;nbsp;nbsp;nbsp;, f,nbsp;nbsp;nbsp;nbsp;i.: â;nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;lt;nbsp;nbsp;nbsp;nbsp;\: _,'â¢' -7
; -4' ^ -i
â nbsp;nbsp;nbsp;â .ï-â.K-â â .*, â â â â !â â â . -â â nbsp;nbsp;nbsp;nbsp;!/v-/f'|-'ïr.M'
V,
ï'i % nbsp;nbsp;nbsp;â¢â V -fei'v^t':*7-' . /. i *'!
^gt;'''Vr-â â '' : .1. .
i-'f^~' â¢*gt; S V ...* W \ nbsp;nbsp;nbsp;\ ' ' '.'- %»../ quot;nbsp;nbsp;nbsp;nbsp;â nbsp;nbsp;nbsp;nbsp;i
gt;â Æ. â - - ^;â;-i';; nbsp;nbsp;nbsp;â ⢠Vj'Nnbsp;nbsp;nbsp;nbsp;â\'vl1 'quot;.-'â â ^4:.
».
ââ -. .-v?'
1
^ â¢vi'.
:U^.':f:e
. ; J- 1 -jN , «AjV â . - nbsp;nbsp;nbsp;-o.' ,
.,-\: nbsp;nbsp;nbsp;/s' J / jl..X'--gt;;'iâ quot; ?'nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;«', 'nbsp;nbsp;nbsp;nbsp;; .'.nbsp;nbsp;nbsp;nbsp;. ,. .........
â ⢠7 ⢠7J'^vfYY/v! 'â¢â 'ïH -*'â
Ã\ ⢠i âââ¢? u/} Jv-* \ â * gt; ' nbsp;nbsp;nbsp;'⢠â. 'lii*»lt;^' ' , ..^jï si.4 ' â i ⢠r rj. ,nbsp;nbsp;nbsp;nbsp;y , _.nbsp;nbsp;nbsp;nbsp;/amp;H A/iv'f. â iquot;!'â:gt;â ; n' 'i '-* '
'4'w'. nbsp;nbsp;nbsp;'.,⢠gt;!âj'.Anbsp;nbsp;nbsp;nbsp;. â .« vââ,-'-nbsp;nbsp;nbsp;nbsp;â 5â.'nbsp;nbsp;nbsp;nbsp;â 'â mM:A'gt;, â 'âVa lâ quot;'â'â¢'
â â¢!,(ââ â -V, nbsp;nbsp;nbsp;⢠sâ â « ⢠'nbsp;nbsp;nbsp;nbsp;«' ⢠.â nbsp;nbsp;nbsp;nbsp;.â¢,£â '.si
' â â nbsp;nbsp;nbsp;^ ^nbsp;nbsp;nbsp;nbsp;ânbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;V
^ nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;~'nbsp;nbsp;nbsp;nbsp;' r I , ) I- â â-nbsp;nbsp;nbsp;nbsp;â âââ H^fS^- rt,
j nbsp;nbsp;nbsp;ï;nbsp;nbsp;nbsp;nbsp;, pVü''
^'i'' â â¢'4 nbsp;nbsp;nbsp;quot;â 'nbsp;nbsp;nbsp;nbsp;* â¢'*?,.nbsp;nbsp;nbsp;nbsp;, , â¢.nbsp;nbsp;nbsp;nbsp;âgt;1 'nbsp;nbsp;nbsp;nbsp;â quot;ââ *â¢*nbsp;nbsp;nbsp;nbsp;jMk
*isiivâ â '4â nbsp;nbsp;nbsp;t'l.i' ,'.nbsp;nbsp;nbsp;nbsp;â 'quot;i- y-âquot;â
S? gt; ,-â t .⢠t - nbsp;nbsp;nbsp;:n '^'*nbsp;nbsp;nbsp;nbsp;â quot;-AfTsf
â nbsp;nbsp;nbsp;V , ânbsp;nbsp;nbsp;nbsp;*.nbsp;nbsp;nbsp;nbsp;*'â f , 'v
,-'^B
' .. 'ï. J.' - '
PLATE OXL.
MON XV-42
Page.
Figs. 1,2. Protb^phyllum oblongifolium, sp. nov........................................ 284
1. nbsp;nbsp;nbsp;Basai portion of a leaf...........................................................
l'^. Portion of 1 magnified three diameters........................................... 284
2. nbsp;nbsp;nbsp;Restoration of the leaf, as made out by taking fragments belonging to difiereut
parts of it..................................................................... 284
Fig. 3. Ficophybldm tenoinbevb, sp. nov.............................................. 292
3. nbsp;nbsp;nbsp;Fragment of an unusually large leaf.............................................. 292
ââi'quot;'' gt;'I' ' f
..-*, â 'â¢I 'lt;' nbsp;nbsp;nbsp;' ' . '
* *'â¢* ï»-J
, nbsp;nbsp;nbsp;V â *
..^ nbsp;nbsp;nbsp;viV ^'''
i 'il
-â¢â .â¢â¢ ;, Tv ,V: nbsp;nbsp;nbsp;ÃV.
X,T''- â¢' ' ,*?'â ',
v,*^ ⢠nbsp;nbsp;nbsp;.....-^..^.. .......... nbsp;nbsp;nbsp;^X
* nbsp;nbsp;nbsp;'* tnbsp;nbsp;nbsp;nbsp;â¢nbsp;nbsp;nbsp;nbsp;*nbsp;nbsp;nbsp;nbsp;»i*^Xnbsp;nbsp;nbsp;nbsp;..... â¢â¢?*'ü»hlt;iair^'*'M4i' i - nbsp;nbsp;nbsp;â¢'^ «»??*â nbsp;nbsp;nbsp;nbsp;,nbsp;nbsp;nbsp;nbsp;*-V^^ ^nbsp;nbsp;nbsp;nbsp;1nbsp;nbsp;nbsp;nbsp;'*Wnbsp;nbsp;nbsp;nbsp;â¢nbsp;nbsp;nbsp;nbsp;I .nbsp;nbsp;nbsp;nbsp;Jnbsp;nbsp;nbsp;nbsp;â
êlr'' *'*'*'* nbsp;nbsp;nbsp;â¢nbsp;nbsp;nbsp;nbsp;* âNe ',nbsp;nbsp;nbsp;nbsp;'â nbsp;nbsp;nbsp;nbsp;1*nbsp;nbsp;nbsp;nbsp;^ i ^nbsp;nbsp;nbsp;nbsp;^yâï N ^nbsp;nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;'â¢* *â,^nbsp;nbsp;nbsp;nbsp;ânbsp;nbsp;nbsp;nbsp;f Slnbsp;nbsp;nbsp;nbsp;^ li
..^1^ â - 'quot; 'i \ :* nbsp;nbsp;nbsp;J/' . ,nbsp;nbsp;nbsp;nbsp;''v:gt;'' A''â*V\ ânbsp;nbsp;nbsp;nbsp;.....a;/. . â''- ^ \ .W I r ^
,''**â # I. . nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;*nbsp;nbsp;nbsp;nbsp;s^L-^âânbsp;nbsp;nbsp;nbsp;. H ^ â * -^^ gt;* *-nbsp;nbsp;nbsp;nbsp;SInbsp;nbsp;nbsp;nbsp;1* ,â¢' â crTr**»ih».zy^¥»^f. ., â¢Â»'' i'''ânbsp;nbsp;nbsp;nbsp;â¢â nbsp;nbsp;nbsp;nbsp;\nbsp;nbsp;nbsp;nbsp;t.. ^quot;
â â '-4 â â /â¢â¢'â .â .â¢â 'â¢;â¢â¢*â 'â . 'â â â¢â X nbsp;nbsp;nbsp;gt;v::.w7--'':â /.|â tóâ .vU'.vS ^gt;«fa:^;w^.r-.;;.-,-y»»^-.;-..-^vV-y-- â gt; 'â gt;:
.-\y'.''-fN%?7^%w,jï'^^ ^'isj 'â 'â .ââ¢T%.''i«quot;-! -i â1*?lquot;gt;«~- ''^,.1 nbsp;nbsp;nbsp;â *
Ã55*, 'â â¢
⢠ât â -lt; , ,gt;⢠,. .gt;'.;
,' «
. r.-.
., nbsp;nbsp;nbsp;' â'V'V,
P-.'
*⢠â â¢
t'
,*4^. â â¢'''« nbsp;nbsp;nbsp;.''â â¢
-â''''.r nbsp;nbsp;nbsp;-â -fiTi..... f
« . ' .. ^v-, .'â Jw'. ⢠^ nbsp;nbsp;nbsp;tlt;r ^1- âï' I -nbsp;nbsp;nbsp;nbsp;» , â
â nbsp;nbsp;nbsp;^ a.'ï jf' ' gt; .â 'nbsp;nbsp;nbsp;nbsp;/
;74*W-'quot; â
jKh.
V*. i % nbsp;nbsp;nbsp;gt;»
Vd,rt '^ . 4..quot;*'-^.-^Vt-âv;'' nbsp;nbsp;nbsp;'⢠.nbsp;nbsp;nbsp;nbsp;gt;.i .
i):
⢠â¢â lt;â¢
lt;â \
'm-
.^â If.v* â ' âquot;':*»
^'â-ââ P«'fT, â - . nbsp;nbsp;nbsp;. . ^l-v. â¢â â â¢â¢:
.yfV 'T . nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;, -.nbsp;nbsp;nbsp;nbsp;.-' 'nbsp;nbsp;nbsp;nbsp;'T' -:'â ' '-A
'^' nbsp;nbsp;nbsp;''nbsp;nbsp;nbsp;nbsp;, â! J
vâ
â %. nbsp;nbsp;nbsp;' : - â i« t â â¢i
,',i: â â¢. lt;'lt;:: \ /â ffiU
quot;;Vr
â â¢â¢'lt;'â ;. âJ^
t nbsp;nbsp;nbsp;-
V ⢠V:, : â iquot;-â \v^-.-' â¢Â»â¢gt;.
S. â¢â , f,. nbsp;nbsp;nbsp;quot;â¢â '.. â¢
ia:»-
⺠â â 't. nbsp;nbsp;nbsp;âï;.'â 'â ?â nbsp;nbsp;nbsp;nbsp;,
ï ; nbsp;nbsp;nbsp;)â¢!'
.V* '»â «.
r^'âL/. gt;^'â'.'''LLt-;gt; nbsp;nbsp;nbsp;,'L
quot; nbsp;nbsp;nbsp;/⢠t' ''nbsp;nbsp;nbsp;nbsp;*
T nbsp;nbsp;nbsp;,, . s«Aâ/,.gt;/â^* -⢠S^''
ï ^.- .-Xi -â ï *-4'' nbsp;nbsp;nbsp;â
h -ri
â nbsp;nbsp;nbsp;â 'TV 'O'.-nbsp;nbsp;nbsp;nbsp;,^^-:
v,fc ï/.
» »â¢:,gt; â â¢-â¢
^ â
J.-
-VV :'Vvy:;8vvT.., nbsp;nbsp;nbsp;T
Tx; â
w. â
-ï=,âjsS5ftrr:a2
- j.'.i
^4'4 - L
------^4ââ----........â â;'^
.^Lt '.v*W. nbsp;nbsp;nbsp;1'nbsp;nbsp;nbsp;nbsp;^ â nbsp;nbsp;nbsp;nbsp;- âLA .' ' .'«L ' Lt'
li.-jVV: nbsp;nbsp;nbsp;15 ⢠âVf; .V?.lv.v^ i'i'â 5nbsp;nbsp;nbsp;nbsp;â :â :%A -iâ :nbsp;nbsp;nbsp;nbsp;â ..,. â ;,.,. â v-,:;.;...,,',,..s,.,, â¢;;V5-'Av
r*?-. _________« nbsp;nbsp;nbsp;»gt;*- _â¢.nbsp;nbsp;nbsp;nbsp;_________^ *___.-_fc.J____.
n:.:i¥;^«.««-^'!S;£Sgt;:,i:J
.....thm____jgt;i^_.M_ it. .^ â¦*____viamp;ir-.* -^ 3S. _i---_ . _ lu,.-iii.t^.^.
«aiS» lamx^x^vi
..* ...A _. nbsp;nbsp;nbsp;____*â *
PLATE CXLI.
Page,
Fig. 1. Protb^phyllum ovatum, sp. .................................................... 285
1. nbsp;nbsp;nbsp;Portion of a leaf................................................................... 285
1. Part of 1 magnified three diameters................................................. 285
Fig. 2. Ficophyllum tenuinbrvb, sp. nov................................................. 292
2. nbsp;nbsp;nbsp;Upper part of a leaf................................................................ 292
2*. Portion of 2 magnified three diameters.............................................. 292
PLATE CXLII
Page.
Figs. 1,2. Prote.®phyi.lüm kllipticdm, sp. ............................................. 285
1. nbsp;nbsp;nbsp;Basal portion of a leaf......................................................... 285
1. Portion of 1 magnified three diameters ........................................ 285
2. nbsp;nbsp;nbsp;Eestoration of the leaf, as made out from various fragments.................... 285
PLATE CXLIII
Page.
Figs. 1,3. Ficus Vikginiensis, sp. nov.................................................... 295
1. nbsp;nbsp;nbsp;Fragment of a leaf............................................................. 295
Portion of 1 magnified three diameters........................................... 295
3. Restoration of the leaf as made out from various fragments...........;........... 295
Fig. 2. Eogf.rsia angustifolia, sp. nov............................................... 28ij
2. nbsp;nbsp;nbsp;Leaf nearlcomplete............................................-............... 288
2. Portion of 2 magnified ihree diameters......................... ................. 288
PLATE CXLIV.
Page.
Fig. 1. Ficus Virginiensis, sp. noy................................................. ..... 295
1. nbsp;nbsp;nbsp;Upper part of a leaf................................................................ 295
1. Portion of 1 magnified three diameters............................................. 205
Fig. 2. Eogbksia longifolia, sp. nov..................................................... 287
2. nbsp;nbsp;nbsp;Middle portion of a leaf............................................................. 287
2. Portion of 2 magnified three diameters.............................................. 287
2gt;. Portion of 2 magnified more than 2», to show the ultimate reticulation............... 287
Fig. 3. Ficophyllum crassinerve, sp. nov................................................ 291
3. nbsp;nbsp;nbsp;Upper portion of a large leaf.................-..................................... 291
PLATE CXLY
Page.
Figs. 1, 4. Ficophyllum tenuinekve, sp. hoy............................................. 292
1. nbsp;nbsp;nbsp;Tip of a large leaf............................................................... 292
4. Restoration of Ficophyllum tenuinerve as made out from numerous fragments....... nbsp;nbsp;nbsp;292
Fig. nbsp;nbsp;nbsp;.2. Ficophyllum sbrkatum, sp. nov............................................... 294
2. nbsp;nbsp;nbsp;Upper part of a leaf____-........................................................ 294
Fig. nbsp;nbsp;nbsp;3. Ficophyllum ckassinervb, sp. nov............................................. 291
3. nbsp;nbsp;nbsp;Fragment of a leaf of medium size............................................... 291
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE CXLV
PLATE CXLYI.
nbsp;nbsp;nbsp;Page.
Fig. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;Ficophyllum crassinerve, sp. nov............................................. 291
1. nbsp;nbsp;nbsp;Small fragment of a leaf.......................................................... 291
1. Portion of 1 magnified three diameters............................................ 291
Figs. 2,4. Saliciphyllum ellipticum, sp. nov............................................. 303
2. nbsp;nbsp;nbsp;Fragment of the basal portion of a leaf............................................ 303
4. nbsp;nbsp;nbsp;Fragment of the upper part of a leaf................ 303
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Cblastrophyllum arcinervk, sp. nov......................... 304
3. nbsp;nbsp;nbsp;Portion of the lower part of a leaf................................................ 304
3. Part of 3 magnified three diameters............................................... 304
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;Cblastrophyllum proteoides, sp. nov......................................... 304
6. nbsp;nbsp;nbsp;Nearly entire leaf................................................................ 304
PLATE OXLVII.
Page.
Fig. 1. Sapindopsis cordata, sp. ................................. ...................... 290
1. nbsp;nbsp;nbsp;Nearly entire leaf.................................................................. ^91*
Fig. 2. Ficophyllum tbnuinervk, ap. ................................................... 292
2. nbsp;nbsp;nbsp;Tip of a large leaf..................................- ........................... 292
Fig. 3. Sapindopsis blliptica, sp. nov.................................................... 297
3. nbsp;nbsp;nbsp;Middle portion of a leaf............................................................. 297
3\ Part of 3 magnified three diameters................................................ 297
F'ig. 4. PicoPHYLi.iJM crassinerve, sp. nov............................................... 291
4. nbsp;nbsp;nbsp;Fragment of a very large leaf, natural size.......................................... 291
PLATE CXLVIII.
MON XV-43
Page.
Figs. 1, 2,4. Ficophyllum ckassinerve, sp. nov.......................................... 291
1. nbsp;nbsp;nbsp;Middle part of a leaf.......................................................... 291
2. nbsp;nbsp;nbsp;Basal part of a leaf............................................................ 291
4. nbsp;nbsp;nbsp;Fragment of a large leaf....................................................... 291
Figs. 3, 5. Ficus Fredericksbuegensis, sp. nov......................................... 295
3. nbsp;nbsp;nbsp;Fragment of the middle portion of a leaf....................................... 295
5. nbsp;nbsp;nbsp;Summit of a small leaf......................................................... 295
PLATE CXLIX.
Page.
Figs. 1,3, 5. Ficophyllum tknuinkrve, sp. nov........... ................................ 292
1. nbsp;nbsp;nbsp;Fragment of a leaf.......................................-.................... 292
3. nbsp;nbsp;nbsp;Basal portion of a narroiY leaf.................................................. 292
5. nbsp;nbsp;nbsp;Basal portions of two leaves apparently once connected by attachment to the
same twig........................... ^92
Fig. nbsp;nbsp;nbsp;2. Phyllites pachypiiyllus, sp. nov............................................ 325
2. nbsp;nbsp;nbsp;Fragment from the middle part of a leaf........................................ 325
Figs. 4,8. Eogersia angostifolia, sp. nov............................................... 288
4. nbsp;nbsp;nbsp;Nearly entire leaf............................................................ 288
4. Portion of 4 magnified three diameters......................................... 288
8. nbsp;nbsp;nbsp;Fragment of a narrow leaf..................................................... 288
8. Portion of 8 enlarged three diameters......... 288
Figs. 6,7. Quercophyllijm tekuinerve, sp. nov........................................ 308
6. nbsp;nbsp;nbsp;Small leaf nearly entire........................................................ 308
7. nbsp;nbsp;nbsp;Basal portion of a large leaf................................................... 308
Fig. nbsp;nbsp;nbsp;9. Ficophyllum serratum, sp. nov.............................................. 294
9. nbsp;nbsp;nbsp;Upper part of a leaf............................................................ 294
PLATE CL.
|
Fig. | ||||||||||||||||||||||||||||||
|
ROGKRSIA LONGIFOLIA, 8p. ................................
Basal portion of an unusually large leaf.....................
EoGERSIA AKGUSTllfOLIA, sp. nOV...........................
Basal portions of leaves.....................................
Upper part of a leaf........................................
Tip and upper part of a leaf.................................
Entire small leaf......................................-.....
Saliciphyllgm eglipticum, sp. nov........................
A nearly entire leaf.........................................
VlTIPHYLLUM (CiSSITES) CRAS8IPOLIUM, sp. nOV.............
Portions of the summit of the leaves or of primary segments.
Myrica Brookensis, sp. nov...............................
Two entire leaves attached to the stem......................
SaGICIPHYLLUM GOJfGIPOGIUM, sp. nov .....................
Basal portion of a leaf......................................
Part of 12 magnified three diameters........................
PROTKiEPHYGGUM TENÜINERVB, sp. nOV.....................
Fragment of apparently the middle part of the leaf..........
Page.
287
287
288 288nbsp;288nbsp;288nbsp;288
303
303
308
308
310
310
302
302
302
280
286
PLATE CLI.
Page.
FJG, 1. ^APINDOPSIS VARIABILIS, Sp. nOV...............-................. .............. 298
1. nbsp;nbsp;nbsp;Upper part of a compound leaf................................................... 298
1. Portion of 1 magnified to show nervation......................................... 298
Figs. 2,3. Sapijtdopsis magnipolia, sp. nov................................................ 297
2. nbsp;nbsp;nbsp;Upper portion of a compound leaf................................................ 297
3. nbsp;nbsp;nbsp;Several leaflets detached........................................................ 297
Fir,. 4. Bombax Virgistiknsis, sp. nov.................................................. 310
4. nbsp;nbsp;nbsp;Lower portion of a leaf......................................................... 310
PLATE CLII.
Page.
Figs. 1,4. Sapindopsis variabitjs, sp. ...................................................
1. nbsp;nbsp;nbsp;Upper part of a small compouud ieaf ............................................
4. nbsp;nbsp;nbsp;Fragments from the upper part of a compound leaf............................... -^98
4». Portion of 4 magnified three diameters.......................................... 298
Figs. 2,3. Sapindopsis magnifolia, sp. .................................................. 297
2. nbsp;nbsp;nbsp;Summit of a large compound leaf................................................ 297
3. nbsp;nbsp;nbsp;Fragments of very large leaflets..................... .......-................... 297
Fig. 5. Sassafras CRF.TACEÜM: Newb., var. hbteeolobum............................... 289
5. nbsp;nbsp;nbsp;Entire leaf.............-............................. .......................... 289
*â
â nbsp;nbsp;nbsp;' â nbsp;nbsp;nbsp;nbsp;'-lt;â¢â¢ â¢nbsp;nbsp;nbsp;nbsp;â %gt;-⢠y »â ,
' gt;i.-
Fig. 1. 1.
1.
I*».
Fig. 2.
2.
Fig. 3.
3.
Fig. 4.
4.
Page.
SaPINDOPSIS TENÜINEKVIS, Sp. ..................................................... ^01
Upper part of a compound leaf..................................................... 301
P..1 tiou of tFe base of a leaflet magnified three diameters............................ 301
Portion of the middle of a leaflet magnified three diameters.......................... 301
Sapindopsis magnipolia, sp. nov.................................................. 297
Upper part of a large componnd leaf................................................ 297
Sapindopsis vabiabilis, sp. nov................................................... 298
Fragment of a compound leaf..........................-............................ 298
Sapindopsis BREViPOLiA.sp. nov ........................ .......................... 300
Summit of a compound leaf......................-.................................. 300
PLATE CLIV.
Page.
Figs. 1,5. Sapindopsis magnifolia, sp. nov............................................... 297
1. nbsp;nbsp;nbsp;Upper part of a small compound leaf............................................. 297
1. Portion of a leaflet magnified three diameters.................................... 297
5. nbsp;nbsp;nbsp;Portions of two leaflets ......................................................... 297
Figs. 2-4. Sapindopsis variabios, sp. nov................................................. 298
2. nbsp;nbsp;nbsp;Upper part of an abnormal compound leaf....................................... 298
3. nbsp;nbsp;nbsp;Summit of a small abnormal compound leaf...................................... 298
4. nbsp;nbsp;nbsp;Portion of the upper part of an abnormal compound Ic.af.................;........ 298
4. Portion of a leaflet of 4 magnified throe diameters................................ 298
Fho. 6. Sapindopsis parvifolia, sp. nov................................................ 300
6. nbsp;nbsp;nbsp;Upper part of a compound leaf................................................... 300
PLATE CLV.
Figs. 1,7. Sapindopsis beevifoi.ia, sp. nov..........................
1. nbsp;nbsp;nbsp;Upper part of a compound leaf.............................
7. nbsp;nbsp;nbsp;Portion of the upper part of a compound leaf...............
Figs. 2-5. Sapindopsis variabilis, sp. nov...........................
2. nbsp;nbsp;nbsp;Upper portion of an unusually small compound leaf.........
3. nbsp;nbsp;nbsp;Upper part of a small compound leaf.......................
4. nbsp;nbsp;nbsp;Fragments of the upper part of an abnormal compound leaf.
5. nbsp;nbsp;nbsp;Portion of the upper part of a compound leaf...............
Fig. 6. Sapindopsis magnifolia, sp. nov..........................
6. nbsp;nbsp;nbsp;Upper part of a compound leaf..............................
6. A portion magnified......................................
Fig. 8. Ulmiphyllum Bkookense, sp. nov.......................
8. nbsp;nbsp;nbsp;Fragment of the basal part of a leaf........................
Fig. 9. POPULOPHYLLUM RBNIFOKME, sp. UOV......................
9. nbsp;nbsp;nbsp;Fragment of a leaf .......................................
9. Portion of 9 magnified three diameters.....................
Page.
300
300
300
298
298
298
298
298
297
297
297
312
312
.311
311
311
PLATE CLVI.
MON XV-44
Page.
Fig. 1. FICOPIIYLLDM TENDINEKVK, sp. nov................................................ 292
1. nbsp;nbsp;nbsp;Small fragment of a leaf........................................................... 292
Fig. 2. PBOTEiEPHYI.I.UM TBNUINBRVE, Sp. HOY............................................ 286
2. nbsp;nbsp;nbsp;Small fragment of a leaf........................................................... 286
Fig. 3. Populopiiyllum ebnifoeme, sp. hot.............................................. 311
3. nbsp;nbsp;nbsp;Fragment of a small leaf........................................................... 311
Fig. 4. Peote^phyelpm ebnifoeme, sp. noy.............................................. 282
4. nbsp;nbsp;nbsp;Small fragment of a leaf........................................................... 282
Fig. 5. Cebastkophyllum obtusidbns, sp. nov........................................... 305
5. nbsp;nbsp;nbsp;Fragment witli the margin mostly wanting......................................... 305
Fig. 6. MYBic.a;PHYl.i.trM dentatum, sp. nov.............................................. 316
6. nbsp;nbsp;nbsp;Fragments of two leaves.......................................................... 316
Fig. 7. PEOTB.EPHYLI.ÜM DENTATUM, Sp. EOT.............................................. 286
7. nbsp;nbsp;nbsp;Small fragment of a leaf........................................................... 286
Fig. 8. CEi.ASTEOPHYi.i,rM acutidbns, sp. nov............................................ 305
8. nbsp;nbsp;nbsp;Fragment of a leaf................................................................. 305
8. Portion of 8 magnified three diameters............................................. 305
Fig. 9. QUEECOPHYLLUM GE08SEDENTATUM, sp. nov........................................ 307
9. nbsp;nbsp;nbsp;Fragment of a leaf................................................................ 307
Fig. 10. Myeica Beookensis, sp. nov.................................. ................... 310
10. nbsp;nbsp;nbsp;Basal portion of a leaf....................-........................................ 310
10. Portion of 10 magnified three diameters............................................ 310
Fig. 11. AnALMPHYLLüM aceeoides, sp. nov .............................................. 319
11. nbsp;nbsp;nbsp;Fragment of a large leaf........................................................... 319
Fig. 12. Sassafeas bilobatum, sp. nov..................................................... 290
12. nbsp;nbsp;nbsp;Fragment of a leaf................................................................ 290
Fig. 13. Sapindopsis obtusifobia, sp. nov................................................ 301
13. nbsp;nbsp;nbsp;Small portion of a leaf............................................................. 301
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE CLVI
?:r;v
ïï \-i - nbsp;nbsp;nbsp;i , » ,*
¦':¦¦ nbsp;nbsp;nbsp;-i.' . '^¦
- 'v '
- ï--- nbsp;nbsp;nbsp;»V-.V
i ' nbsp;nbsp;nbsp;*»nbsp;nbsp;nbsp;nbsp;Vnbsp;nbsp;nbsp;nbsp;^ quot;S'* ^ ? * ¦*' V 3
* nbsp;nbsp;nbsp;- , V. *nbsp;nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;»-v.nbsp;nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;«i:nbsp;nbsp;nbsp;nbsp;-
wni' nbsp;nbsp;nbsp;1
i -i '¦ -fc'_===s!i»:p==i^ !S .¦¦sigt;:r'- ' , nbsp;nbsp;nbsp;I ¦-
.-,;-''4::.; --fc.-:¦¦.:¦-,..i ,-;o:^^:'^
'i ^ ^ nbsp;nbsp;nbsp;'quot;V* ¦ \t \' ¦''^- i- - -nbsp;nbsp;nbsp;nbsp;rnbsp;nbsp;nbsp;nbsp;¦-nbsp;nbsp;nbsp;nbsp;^ j
_ -»-_ .1» 2^^- * * _lt;* ' ____________________- _ . '%.^_ _'^5i ï -i_ jStiB**_*!T -._ 4 ._^ quot; ^ »_*%.«__ *ï'Si j*. ?_ ' * -. * «
¦.'/'quot;/ I' -gt;7^
PLATE CLYII.
Figs.
Fig.
1,7.
7.
Figs. 3,5,6.
3.
5,6.
6.
Fig.
Page.
A RALIA DUBIA, Sp. nOV ....................................................... 314
Summit of a lobe.............................................................. 314
Fragment of a leaf.............................................................
Stbrcülia blbgans, sp. nov................................................... 314
Eestoration of the leaf as made out from fragments............................. 314
JUGLANDIPHYLLUM INTEGRIPOLIÜM, sp. DOT.................................... 315
Small fragment of a leaf....................................................... 315
Upper portions of leaves of varying size........................................ 315
Portion of 6 magnified three diameters......................................... 315
Ficophyllum cuassinervb, sp. nov..................................;........ 291
Tip of a leaf................................................................... 291
PLATE CLVIII.
Fig,
Figs.
Fig.
Fig.
Figs.
Fig.
1.
1.
1.
2,3.
2.
3.
4.
4.
5. 5.
5*^.
6.7.
6.7. 7.
8.
8.
Paga
Ulmiphyllum tenuineuve, sp. nov............................................. 313
Small fiagmeut of a leaf......................................................... 313
Portion of 1 magnified three diameters.......................................... 313
Sterculia elegans, sp. nov................................................... 314
F'ragment of a large leaf........................................................ 314
Portion of a small leaf.......................................................... 314
POPÜI.OPHYLI.UM CRASS1NEKVE, sp. nov.......................................... 312
Fragment of a large leaf........................................................ 312
PnATANOPHYLLUM CKAS8INERVE, Sp. noV........................................ 316
F'ragment of a large leaf....................................................... 316
Portion of 5 magnified three diameters........................................... 316
Ulmiphyllüm crassinervb, sp. nov........................................... 313
Fragments of large leaves....................................................... 313
Portion of 7 magnified three diameters.......................................... 313
CKI.A8TROPHYI.I.nM Brookejjse, sp. nov......................................... 305
Fragment of a small leaf................................-....................... 305
PLATE OLIX.
Page.
Figs. 1,2, Kogersia longifolia, sp. nov.................................................. 287
1. nbsp;nbsp;nbsp;Upper part of a leaf............................................................. 5187
2. nbsp;nbsp;nbsp;Base of a leaf................................................................... 5J87
Figs. 3-6. Sapindopsis obtusipolia, sp. nov.............................................. 301
3. nbsp;nbsp;nbsp;Upper part of a leaf of the largest size........................................... 301
4. nbsp;nbsp;nbsp;Fragment of a leaf............. 301
5. nbsp;nbsp;nbsp;Summit of an inequilateral leaf................................................. 301
6. nbsp;nbsp;nbsp;Upper part of a leaf- ........................................................... 301
Fig nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;Cp-lastrophyllum Brookbnsk, sp. nov......................................... 305
7. nbsp;nbsp;nbsp;Base of a leaf of the largest size................................................. 305
Fig. nbsp;nbsp;nbsp;8.nbsp;nbsp;nbsp;nbsp;Sassafras crï:taceüm (Newh.) var. heterolobdm.............................. 289
8. nbsp;nbsp;nbsp;Fragment of a leaf...........................................-.................. 289
Figs. 9,10. ARAl.liEPnYi.LiiM magnifoi.ium, sp. nov........................................ 318
9,10. Basal jiortions of large leaves................................................... 318
u. S. GEOLOGICAL SURVEY Monograph xv plate clix
PLATE OLX.
Page.
Figs. 1,2. PEOTKiEPHYLLUM RENIFORME, Sp. HOY.......................................... 282
1. nbsp;nbsp;nbsp;Fragment of a crumpled leaf...................................... 282
2. nbsp;nbsp;nbsp;Restoration of the probable shape and size of the leaf............................ 282
1. Portion of 1 magnified three diameters.......................................... 282
Figs. 3-6. Aristolochi^phyllum crassinervb, sp. noY.................................. 322
3. nbsp;nbsp;nbsp;Fragment of probably the central part of the leaf................................ 322
3. Portion of 3 magnified six diameters ............................................ 322
4. nbsp;nbsp;nbsp;Portion of leaf enlarged three diameters......................................... 322
5. nbsp;nbsp;nbsp;Small fragment showing a primary nerve of large size............................ 322
6. nbsp;nbsp;nbsp;Fragment, probably from the left-hand basal portionnbsp;nbsp;nbsp;nbsp;of a leaf.................... 322
PLATE CLXI,
Page.
Figs. 1,2. Menispeemitbs Viegimbnsis, sp. boy.......................................... 321
1. nbsp;nbsp;nbsp;Fragment of a leaf showing mainly the basal portion............................ 321
1. Portion of 1 magnified three diameters..........-................................ 321
2. nbsp;nbsp;nbsp;Summit of a smaller leaf........................................................ 321
PLATE CLXII.
Page.
Pig. 1. Hkdbr^phtllum angülatum, sp. ................................................ 324
1. nbsp;nbsp;nbsp;Nearly entire leaf.............................-................................. 324
Fig. 2. Aralmphyllüm acbroidbs, sp. .................................................. 319
2. nbsp;nbsp;nbsp;Lower portion of a large leaf........................................................ 319
Fig. 3. Hbdbr^phyllum crbnglatum, sp. nov........................................... 324
3. nbsp;nbsp;nbsp;Nearly complete leaf .............................................................. 324
Pig. 4. Eucalyptophyllum oblongibolium, sp. nov..................................... 325
4. nbsp;nbsp;nbsp;Fragment of a leaf................................................................. 325
4. Portion magnified to show nervation............................................... 325
PLATE CLXIII.
Page.
Figs. 1,4. Arali.®phyi,i,um obtüsilobüm, sp. nov.......................................... 317
1. nbsp;nbsp;nbsp;Nearly entire leaf............................................................... 317
4. nbsp;nbsp;nbsp;Fragment of a leaf with abnormally rounded base....................... 317
Fig. nbsp;nbsp;nbsp;-i.nbsp;nbsp;nbsp;nbsp;ARALI.EPHYLLUM ACUTILOBUM, sp. nOV.......................................... 318
2. nbsp;nbsp;nbsp;Fragment of a small leaf......................................................... 318
Pig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Sapindopsis brbvifolia, sp. nov............................................... 300
3. nbsp;nbsp;nbsp;Summit of a compound leaf.................................-.................... 300
Fig. nbsp;nbsp;nbsp;5.nbsp;nbsp;nbsp;nbsp;Saliciphyllum bllipticum, sp. nov.... ....................................... 303
5. nbsp;nbsp;nbsp;Entire leaf...................................................................... 303
Pig. nbsp;nbsp;nbsp;6.nbsp;nbsp;nbsp;nbsp;Hymen.®a Virginibnsis, sp. nov................................................ 320
6. nbsp;nbsp;nbsp;Bases of two leaves.............................................................. 320
Fig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;Ulmiphyllum Buookensb, sp. nov.............................................. 312
7. nbsp;nbsp;nbsp;An entire leaf................................................................... 312
7*. nbsp;nbsp;nbsp;Portion of 7 magnified three diameters........................................... 312
Fig. nbsp;nbsp;nbsp;8.nbsp;nbsp;nbsp;nbsp;Aceriphyllum aeaijoides, sp. nov............................................ 321
8. nbsp;nbsp;nbsp;Nearly entire leaf............................................................... 321
U. S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE CLXIll
.M_ nbsp;nbsp;nbsp;'--O.,nbsp;nbsp;nbsp;nbsp;*rv' '.-'V-nbsp;nbsp;nbsp;nbsp;... ,r -^. ..'.nbsp;nbsp;nbsp;nbsp;..nbsp;nbsp;nbsp;nbsp;,nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;'*.nbsp;nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;^
PLATE CLXIV
MON XV--45
Figs. 1,2. 1.nbsp;1».nbsp;2.
Fig.
Fig.
Fig.
Page.
Ficophyllum bucalyptoides, sp. nov........................................... -294
Portions of two leaves probably once attached to the same stem.................. 294
Portion of 1 magnified three diameters........................................... 294
Summit of a leaf................................................................ 294
ARALIiEPHYLLUM OBTÜSII.OBÜM, sp. HOV................................. 317
Greater part of a leaf............................................................ 317
Sassafras bilobatüm, sp. nov................................................. 290
Nearly complete leaf............................................................ 290
Sassafras cketaceum, Newb., var hkterolobum.............................. 269
Nearly entire leaf......... 289
U. 8 GEOLOGICAL SURVEY
MONOGRAPH XV PLATE CLXIV
PLATE CLXY.
Pajje.
Figs. 1-3. Taxodium (Ulyptostrobüs) Buookense, sp. nov................................. 254
1,2. Narrow forms...... .............................................................
Large branch and twigs of the narrowest form.................................... 254
I-'lG. 4. LaRICOPSIS LONGIFOLIA, sp. nov.................................................. 233
4. nbsp;nbsp;nbsp;Small fragment of a leafy twig................................................... 233
Fig 5. Wir.LiAMSONiA Virginiensis, sp. nov............................................. 273
5. nbsp;nbsp;nbsp;Whorl of bracts, showing traces of hair-like appendages .......................... 273
Fig. 6. Leptostroisds (f) multiflokus, sp. nov.......................................... 230
6. nbsp;nbsp;nbsp;Fragment of very long cone...........-.......................................... 230
PLATE CLXVI.
| ||||||||||||||||
|
4. 7. 4. | ||||||||||||||||
Fig.
5.
5.
5».
6. 6.
Fig.
Page.
TaXODIUM (GLYPTOSTROBUS) RAM08UM, sp. nov................................... 251
Fragments of small twigs......................................................... 251
Portion of 1 magnified.................................-......................... 251
Saliciphyllum: ellipticum, sp. nov............. 303
Lower portion of a leaf..............-...............-......-..................... 303
POPULOPHYLLPM HBDBRiBPOBMB, Sp. nOV......................................... 311
Fragment of a leaf witli large petiole............................................. 311
Taxodium (Glyptostrobus) Brookestse, sp. nov................................ 2,54
Fragment of a very large brancti................................................. 254
Male inflorescence, probably of Taxodium (Glypto.strobns) Brooicense................ 254
Portion of an nltimate-twig magnified............................................ 254
Cladophlebis acuta, sp. nov.................................................... 74
Small fragment of a frond..................................... 74
Pinnule magnified................................................................ 74
Sphenolepidium ViRGiNicuM. sp. nov........................................... 2.59
Fragments of two cones of S. Virginicum......................................... 2.59
PLATE CLXYII.
Fig. 1. 1.nbsp;1».
Fig. 2. 2.
2.
2gt;gt;.
2',
Fig. 3.
3.
Fig. 4.
4.
Fig. 5.
5.
Fig. 6.
C.
Page.
TaXODIUM (GLYPTOSTROBTJS) BEOOKKKSE, var. ANGÜ8TIFOLIUM, Sp. nOV............. 256
Portion of a large branch slightly restored.......................................... 256
Part of an ultimate twig magnified................................................. 256
Sphenolepimum Kurrianum, sp. ................................................ 260
Fragments of a large branch........................................................ 260
Portion of a primary twig magnified................................................ 260
Portion of a secondary twig magnified.............................................. 260
Part of an ultimate twig magnified................................................. 260
Taxodigm (Glyptosteobüs) Brogkeyse, sp. nov................................. 254
Fragment of a large stem......................:.................................... 254
Phyreocladopsis hetbrophyela, sp. nov.......................................... 204
Small fragment of a branch......................................................... 204
Sequoia Keichenbachi, Heer..................................................... 243
Leafy branch of the most common kind............................................. 243
Carpoeithus Krookensis, sp. nov.................................................. 268
A nucleal body..................................................................... 268
PLATE CLXVIII.
Page.
Fig. nbsp;nbsp;nbsp;1. Fkekelopsis parcekamosa, sp. nov............................................. al8
1. nbsp;nbsp;nbsp;Portion of a brandling twig with ultimate branches of the most common size----- nbsp;nbsp;nbsp;218
Fig. nbsp;nbsp;nbsp;2. Brachyphyllum, sp ?........................................................... 224
2. nbsp;nbsp;nbsp;Undetermined cone, probably a fragment of a cone of Brachyphyllum............ 224
Fig. nbsp;nbsp;nbsp;3.nbsp;nbsp;nbsp;nbsp;Dioomites Buchianus (Schimper),nbsp;nbsp;nbsp;nbsp;var. obtusifolius .......................... 184
3. nbsp;nbsp;nbsp;Portion of a large leaf........................................................... 184.
Fig. nbsp;nbsp;nbsp;4.nbsp;nbsp;nbsp;nbsp;Nageiopsis subfalcata, sp. nov................................................ 203
4. nbsp;nbsp;nbsp;Small fragment of a branch..................................................... 203
4*. Leaflet magnified................................................................ 203
Figs. 5,6. Laricopsis longifolia, sp. nov................................................. 2.33
5. nbsp;nbsp;nbsp;Small fragments showing scars of fallen leaf-bundles............................. 233
6. nbsp;nbsp;nbsp;Fragment showing some leaf-bundles in place..............................gt;..... 233
Pig. nbsp;nbsp;nbsp;7.nbsp;nbsp;nbsp;nbsp;Cabpolithus Virginibnsis, sp.nov.............................................. 266
7. nbsp;nbsp;nbsp;Several nnt-lite seeds attached.................................................. 266
7. Seed of 7 magnified............................................................. 266
Fig. nbsp;nbsp;nbsp;8.nbsp;nbsp;nbsp;nbsp;Abietites ellipticus, sp. nov.................................................. 263
8. nbsp;nbsp;nbsp;Fragment of a cone............................................................. 263
Pig. nbsp;nbsp;nbsp;9.nbsp;nbsp;nbsp;nbsp;Bkachypiiyllum crassicadlb, sp.nbsp;nbsp;nbsp;nbsp;nov.............................. 221
9. nbsp;nbsp;nbsp;Fragment of a much-branched twig.............................................. 221
PLATE CLXIX.
Fig.
Fig.
Fig.
Figs.
Figs.
Fig.
Fig.
F'ig.
1.
1.
2.
2.
2
.3.
3.
4,5.
6,7.
6,7.
6.
8.
10.
10.
10
Page.
Thinnfeldia gkanulata, sp. nov............................................. Ill
Fragment of a frond........................................................... Ill
CLADOPHLEBIS CONSTUICTA, Sp. ............................................... 68
Fragment of a small form..................................... 68
Portion of 2 magnified......................................................... 68
Pecopteris Virginiensis, sp. nov............................................ 82
Fragment from Covington street, Baltimore.................................... 82
Undetermined stems {g)..................................................... 275
Thyrsoptekis rarinervis, sp. nov........................................... 123
Fragments of large fronds...................................................... 123
Pinna of 6 magnified.......................................................... 123
Callitris sp. ? sp. nov......................................................... 272
What seems to be the cone of a Callitris....................................... 272
Undetermined STEMS (ft)..................................................... 276
Celastrophyllüm denticudatüm, .sp. nov.................................... 306
Detached leaf................................................................. 306
Portion of 10 magnified to show nervation..................................... 306
PLATE CLXX.
Page.
Fig. 1. Thyksopteris divaricata, sp. nov.............................................. 125
1. nbsp;nbsp;nbsp;Small fragment of a frond........................................................ 125
I*'. Portion of 1 magnified............................................................ 125
Fig. 2. PODOZAMITES ACUTIEOLIUS, Sp. IIOV............................................... 181
2. nbsp;nbsp;nbsp;Fragment of a leaflet ............................................................ 1*^1
Fig. 3. Zamites ovalis, sp. nov......................................................... 173
3. nbsp;nbsp;nbsp;Tip of a leaflet................................................................... 173
Fig. 4. PiNUS, sp. ?...................................................................... 272
4. nbsp;nbsp;nbsp;What seems to 1)6 the seed of a pine.!............................................. 272
Figs. 5,6. Pecopteris strictinervis, sp. nov.....................-........................ 84
5. nbsp;nbsp;nbsp;Fragment of a componnd pinna................................................... 84
5. Pinnies of 5 magnified............................................................ 84
6. nbsp;nbsp;nbsp;Small fragment of an ultimate pinna............................................. 84
6. Pinnules of 6 magnified.......................................................... 84
Fig. 7. ACACIiEPHYLLUM VARIABILE, Sp. UOV ............................................. 281
7. nbsp;nbsp;nbsp;Fragments of leafy twigs......................................................... 281
Fig. 8. Rhizome of Equisetum, sp. ?.................................................... flC
8. nbsp;nbsp;nbsp;Rhizome, probably of E. Marylanüicwm, with tubercles............................ 06
Fig. 9. Podozamitbs subfalcatus, sp. nov.............................................. 179
9. nbsp;nbsp;nbsp;Upper portion of a leaflet...............................-........................ 119
1'Tg. nbsp;nbsp;nbsp;10.nbsp;nbsp;nbsp;nbsp;Acrostichoptbris longipennis, sp. nov......................................... 107
10. nbsp;nbsp;nbsp;Fragment of a frond................ ............................................. 101
10, 10''. Portions of 10 magnified, to show varying shape of fructification; 10 is partly
restored...................................................................... 101
Fig. nbsp;nbsp;nbsp;11.nbsp;nbsp;nbsp;nbsp;Acrostichoptbris dbnsifolia, sp.nbsp;nbsp;nbsp;nbsp;nov................................. 107
11, nbsp;nbsp;nbsp;Fragment of a frond.............................................................. 101
U, S. GEOLOGICAL SURVEY
MONOGRAPH XV PLATE CLXX
//i'll
MOSS SNO, CO.. N. V.
PLATE CLXXI.
Page.
Figs. 1,5, 7. Acrostichoptekis longipbnnis, sp. nov...................................... 107
1. nbsp;nbsp;nbsp;Fragment of a large frond......................................... 107
1. Portion of 1 magnified and partly restored...................................... 107
5. nbsp;nbsp;nbsp;Portion of a frond retaining only the fructification............................. 107
7. Fragment of a long compound pinna........................................... 107
7. Portion of 7 magnified and partly restored, showing the under side of the fructified pinnules................................................................ 107
Figs. 2,6. Aorostichopteris dbnsipolia, sp. nov........................................ 107
2. nbsp;nbsp;nbsp;Fragment of a pinna.......................................................... 107
6. nbsp;nbsp;nbsp;Small fragment of a pinna.............................................. 107
O'*. Pinnule magnified and slightly restored......................................... 107
Figs. 3,4. Aceostiohopteris parvifolia, sp. nov........................................ 108
3. nbsp;nbsp;nbsp;Small fragment showing two ultimate pinnae................................... 108
3. Pinnule of 3 magnified..............-....................... 108
4. nbsp;nbsp;nbsp;Small portion of a compound pinna, showing a very stout primary rachis........ 108
4. Ultimate pinna of 4 magnified and partly restored........................... nbsp;nbsp;nbsp;108
PLATE CLXXII.
MON XV-4(i
|
Figs. |
1, 4. |
|
1. | |
|
4. | |
|
Fig. |
2. 2. |
|
Figs. |
3,6. |
|
3. 6. | |
|
Fig. |
5. |
|
5. | |
|
Fig. |
7. |
|
7. | |
|
Fig. |
8. |
|
8. | |
|
Figs. |
9,10. |
|
9. | |
|
10. | |
|
10. | |
|
Figs. |
11,12. |
|
11. | |
|
12. | |
|
Fig. |
13. |
|
13. | |
|
Fig. |
14. |
Page.
Peotb^phyllum dentatum, sp. nov.......................................... 286
Summit of a leaf............................................................. 286
Fragment with margins of the leaf not preserved............................... 286
Celastrophyllum tenuinervb, sp. nOY....................................... 306
Basal portion of a leaf......................................................... 306
Celastrophyllum latifoeium, sp. nov....................................... 306
Upper portion of a leaf........................................................ 306
Entire leaf of small size....................................................... 306
Saliciphyllum parvifolium, sp. nov......................................... 303
Entire leaf............................................. 303
Cei,a8TRophylldm dbnticulatum, sp. nov.................................... 306
Portion of a leaf of the largest size............................................ 306
MEMSPEEMITBS TElfUINBEVIS, sp. nov......................................... 322
Lo wer part of a thick leaf...................................................... 322
CbLASTROPHYLEUM OBOVATÜM, sp. nov........................................ 307
Middle portion of a leaf................................... 307
Fragment of the upper part of a leaf........................................... 307
Portion of 10 magnified three diameters........................................ 307
VlTIPHYLLUM (CiSSITES) PARVIFOLIUM, Sp. nOV................................. 309
Fragments of leafy hranches................................................... 309
Fragment of a leafy branch.................................................... 309
Acrostichoptbris dbnsifolia, sp. nov........................................ 107
Fragment of a compound pinna................................................ 107
Acrostichoptbris parvifolia, sp. nov....................................... 108
Small fragment with a very stout primary raohis................................ 108
14.
U. 8. GEOLOGICAL SURVEY
MONOGRAPH XV PLA1 E CLXXII
MOSS ENQ. CO.. N. Y
PLATE CLXXIII.
Figs.
Fig.
Fig.
Fig.
Page.
VlTIPlIYLGUM (C1SSITK.S) MUI-TIlIDUM, 8]). IIOV................................. 309
Portions of leaves varying in size and lobing................................... 309
Ficophyllum ceassinbkve, sp. ............................................... 291
Fragment of a small leaf.......................-............................... 291
Undetermined plant (i)..................................................... 276
Possibly a sheath of Equisetum compressed vertically........................... 276
The same magnified........................................................... 276
Prote^phylltjm dbntatdm, sp. nov:.......................................... 286
Fragments of the middle portions of leaves..................................... 286
CeLASTBOPHYLLUM LATIFOI.IÜM, Sp. noV........................................ 306
Fragment of the middle i)art of a leaf -. - ....................................... 306
Portion magnified to show nervation........................................... 306
PLATE CLXXIV.
Tysonia Makylandica, sp. nov. (half natural size)..........
View of the better broad side of trunk No. 1, the smaller one.
Page.
193
193
PLATE CLXXY,
Tysokia. Marylandica, sp. nov. (half natural size) View of the better narrow side of trunk No. 1.......
Page.
193
193
PLATE CLXXYI.
Tysonia Marylandioa, sp. nov. (half natural size) View of the imperfect broad side of trunk No. 1----
Page.
193
193
PLATE CLXXVII.
Tysonia Marylandica, sp. HOY. (half natural size). View of the haae of tmnk No. 1....................
Page.
193
193
PLATE CLXXVIII.
Tysonia Marylatidioa, sp. Tiov. (half natural size). View of top of trunk No. 1........................ .
Page.
193
193
PLATE OLXXIX.
Tysonia Marylandica, sp. nov. (half natural size). View of the broad side of trunk No. 2...............
Page.
193
193
PLATE CLXXX.
MON XV-47
Page.
198
Tysonia Marylandica, sp. iiov. (lialf natural size). View of tlie narrow side of trunk No. 2.............
193
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