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DEPAETMEXT OF THE INTERIOE

MONOGRAPHS

Ol' THE

United States Geological Survey

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UNITED STATES GEOLOGICAL SURVEY

J. W. POWELL, DIEECTOE

THE POTOMAC

YOUNGER MESOZOIC FLORA

WILLIAM MORRIS FONTAINE

WASHINGTON GOVEENMEN� PEINTINamp; OFFICEnbsp;1889

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ILLUSTRATIONS.

Plate I. Figs. 1-6,8. Equisetum Tirgi�icum.

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.

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YI

ILLUSTEATIONS.

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

LII�,

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.

l�s.

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.

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ILL�STEATIONS.

VII

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. Thyrsoptei�s 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. �, 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. Dio�nites Buchianns, var. angustifolins. Fig. 7. Zamiopsis insignis.

LXVIII. Fig.1. Dio�nites Bnehianus.

Figs. 2,3. CtenophylUim latifolium.

Fig. 4, Dio�nites Bnehianus, var, angustifolins. Fig. 5. dossozamites distans.

Fig. 6. Podozamites subfalcatus.

LXIX. Figs. 1, 3. Dio�nites 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. Dio�nites Bnehianus.

Fig. 4. Enccpkalartopsis nervosa.

Fig. 1. Dio�nites Buchianns.

Fig. 2. Dio�nites Bnehianus, var. augusf.fo-lius.

Figs. 3,4. Encephalartopsis nervosa.

Figs. 1,2. Dio�nites Buchianns,

Figs. 3,4. Encephalartopsis nervosa.

Figs. 1-3. Dio�nites Bnehianus.

Figs. 1-3. Dio�iiitcs 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. Fe�deniopsis 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.

Lxxr.

LXXII.

LXXIII.

LXXIV,

LXXV.

LXXVI

Lxxvir.

LXXVIII,

LXXIX.

LXXX,

LXXXI.

LXXXII,

LXXXIII.

LXXXIV.

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VIII

ILLUSTRATIONS.

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.

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ILLUSTRATIONS.

IX

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.

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ILLUSTRATIONS.

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)3�lluni 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.

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PLATES.

-ocr page 20- -ocr page 21-

PLATE I,

-ocr page 22-

PLATE I.

Page.

Figs. 1-6, 8. Eq�isetum 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

-ocr page 23-

Ur S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE f

MOSS ENQ. CO., N. Y,

-ocr page 24- -ocr page 25-

PLATE II.

-ocr page 26-

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

-ocr page 27- -ocr page 28- -ocr page 29-

PLATE III.

-ocr page 30-

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

-ocr page 31-

U. S. GEOLOGICAL SURVEY

f-JONOGRAPH XV PLATE I

-ocr page 32- -ocr page 33-

PLATE lY.

MON XV-25

-ocr page 34-

PLATE IV.

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

-ocr page 35-

U. g. 6��L�G1CAL gURV�Y

-ocr page 36- -ocr page 37-

PLATE Y,

-ocr page 38-

PLATE V.

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

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7.-.,7 1quot;

�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;w�lt;�ai!is2li4Sbsa3i''''*SiJ.vife*wilt;nbsp;nbsp;nbsp;nbsp;'*

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vr ,irl^ *^1.

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�vs^svv nbsp;nbsp;nbsp;i

�: � �' V-�***nbsp;nbsp;nbsp;nbsp;L' '�.nbsp;nbsp;nbsp;nbsp;*�nbsp;nbsp;nbsp;nbsp;�' V quot; *

f^- r

sH�quot;

' nbsp;nbsp;nbsp;'* -nbsp;nbsp;nbsp;nbsp;'� :- ~ *'ft^T-rtr'--------

'�-: nbsp;nbsp;nbsp;,r�nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;.*'s\nbsp;nbsp;nbsp;nbsp;.Vs,-nbsp;nbsp;nbsp;nbsp;-^-nbsp;nbsp;nbsp;nbsp;^

i/.

' i . ^''^Si Z'

� t gt;': nbsp;nbsp;nbsp;-�gt;

: TX-A^ -

� v^f-'''-4^ 'p^-.

H-

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� * ..V nbsp;nbsp;nbsp;- '.*,�

J-;.:.. nbsp;nbsp;nbsp;___izjzL:rij^ -

�� -- nbsp;nbsp;nbsp;' �quot;quot;r\.-�''-' � J�''. -'4nbsp;nbsp;nbsp;nbsp;'^nbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;--fVr''J'--�7.;7-4'

-ocr page 41-

PLATE YI.

-ocr page 42-

PLATE VI.

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

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PLATE VII

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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 adric�lattjm, 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

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PLATE VIII.

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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......................................... 0�i

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

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U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE VIII

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PLATE IX.

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8�

9. Portion of an ultimate pinna, with unusually broad pinnules.

PLATE IX.

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.

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U. S. GEOLOGICAL SURVEY

MONOGRAPH XV � PLATE IX

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PLATE X.

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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

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u. S. GEOLOGICAL SURVEY

monograph XV PLATE X

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PLATE XI.

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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

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PLATE XII.

MON XV-26

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PLATE XII.

Page.

Figs. 1-6. Aspidi�m 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

-ocr page 67- -ocr page 68-

■* nbsp;nbsp;nbsp;.;- . -r-'--fï’ -nbsp;nbsp;nbsp;nbsp;quot;i

• -r nbsp;nbsp;nbsp;Jlt;w:■*lt;» •igt;ism.r_^i. ;nbsp;nbsp;nbsp;nbsp;quot;nbsp;nbsp;nbsp;nbsp;...... ..................

h-\.

■vm

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PLATE XTir.

-ocr page 70-

PLATE XIII.

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

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PLATE XIV.

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PLATE XIV.

Page.

Figs. 1-5. Aspibium hetkrophyll�m, 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

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u. s. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE XIV

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PLATE XV,

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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

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U. S. GEOLOGICAL SURVEY

Monograph xv plate xv

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PLATE XVI.

-ocr page 82-

PLATE XVI.

Figs. 1,3,8. Aspidium ang�stipinnatum, 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.

99 99nbsp;99

104

118

105 105nbsp;105

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PLATE XVII,

-ocr page 86-

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

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u. S. GEOLOGICAL SURVEY

-ocr page 88- -ocr page 89-

PLATE XYIII.

-ocr page 90-

PLATE XVIII.

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

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U- S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE XVIM

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PLATE XIX.

-ocr page 94-

PLATE XIX.

Fig. 1. 1.nbsp;1�.

2.

3�.

4�.

5. 5.

5�.

Figs. 6,7. 6,7.nbsp;6�, 7�.

Fig.

8.

8�.

9. 9�.

10. 10.

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

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PLATE XX.

MON XV-27

-ocr page 98-

PLATE XX.

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 kot�ndata, 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

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PLATE XXI.

-ocr page 102-

Fig.

Figs,

Fig.

6. 6.

6�.

e�.

8. 8.

9,13. 9,13.

10.

10-*.

11.

11�.

12.

14.

14. 14�.nbsp;14igt;.

15. 15.nbsp;15�.

PLATE XXI

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 Nordbnski�ldi? Heer................................

Fragment of a pinna..............................................

Pinnnles magnified................................................

Undetermined fern.................................................

Aspidium Virginicum, sp. nov................

Fragment of a compound pinna................

Pinnul� 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.

100

112

119

101

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U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE XXl

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lt; ■

PLATE XXII

-ocr page 106-

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

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PLATE XXIII

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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

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PLATE XXIV.

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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........................................... �2

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

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PLATE XXV.

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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

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PLATE XXVI.

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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

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U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE XXVI

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PLATE XXVII

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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

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U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE XXVII

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PLATE XXVIII.

MON XV-28

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PLATE XXVIII.

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

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U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE XXVIII

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PLATE XXIX.

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P L A E X X I X .

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

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PLATE XXX.

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PLATE XXX.

Page.

Figs. 1,5. Angiopthridium stkictinerve, var. latifoli�m, 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

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PLATE XXXI,

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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

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m w

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PLATE XXXII.

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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

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U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE XXXII

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PLATE XXXIIT.

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PLATE XXXIII.

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

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PLATE XXXIV.

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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. Platypterigi�m 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

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U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE XXXIV

MOSS ENQ. CO., N. Y.

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-ocr page 157-

\ y �V�- nbsp;nbsp;nbsp;' �

PLATE XXXV

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PLATE XXXV.

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

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u. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE XXXV

�~l

MOSS ENQ, CO.. N. V,

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PLATE XXXVI

MON XV-29

I � 'X

-'I

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PLATE XXXVI,

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

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PLATE XXXVII

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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

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PLATE XXXVin.

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PLATE XXXVIII.

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

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PLATE XXXIX.

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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

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PLATE XL.

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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

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PLATE XLI.

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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

I�quot;. 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;OsM�NDA 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

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PLATE XLII.

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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

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PLATE XLIII.

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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.

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

128 128nbsp;128

123

130

126

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PLATE XLIV.

MON XV-30

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PLATE XLIV.

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 magni�ed ........................................................ 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

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PLATE XLV.

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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

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PLATE XLYI.

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PLATE XLVI.

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

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PLATE XLVII.

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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 magni�ed.................................................... 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

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PLATE XLYIII.

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PLATE XLVIII.

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

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U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE XLVIll

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PLATE XLIX.

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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............................................... 1�lt;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 dbc�rrbns, 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

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PLATE L.

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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

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PLATE LI,

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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

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MON XV-31

PLATE LII,

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PLATE LI I.

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

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PLATE LUI.

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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

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U. S. GE�LOGtCAL SURV�V

MONOGRAPH XV PLATE Lllf

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PLATE LIY.

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PLATE LIV.

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

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U. S. GEOLOGICAL SURVEY

JvlONOGRAPH XV PLATE LIV

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PLATE LV

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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

131

134

133

140

139

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PLATE LYI.

-ocr page 242-

PLATE LVI.

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

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PLATE LVII.

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PLATE LVri.

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

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PLATE LVIII.

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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

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:v;;

PLATE LIX.

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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

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MON XV-32

PLATE LX

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PLATE LX.

Page.

Figs. 1, 3. Osm�xda 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

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PLATE LXI.

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Fig.

PLATE LXI.

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

147 147nbsp;147nbsp;147

156

1,56

161

164

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PLATE LXII,

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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

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PLATE LXIII.

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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

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PLATE LXIV

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PLATE LX IV.

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

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PLATE LXV.

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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

159

158 158nbsp;158

162

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PLATE LXVI.

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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

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-^4

te*

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PLATE LXVII.

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Fig. 1. 1.

Fig. 2. 2.

Fig. 3.

3�-3'^.

Fig. 4.

4a.

Fig. 5.

Fig. C.

Fig. 7.

PLATE LXVII

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

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PLATE LXVIII

MON XV-33

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PLATE LXVIII.

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 B�chian�s, var. ang�stipoi.i�s, 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 s�bfalcatus..................................................... 179

6. nbsp;nbsp;nbsp;Leaflet showing a portion of the stem still attached..................... 179

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PLATE LXIX

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PLATE LXIX.

Pag�.

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 ten�inervis, 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

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PLATE LXX,

-ocr page 300-

Fig.

PLATE LXX

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

182

174

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PLATE LXXI.

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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

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PLATE LXXII.

-ocr page 308-

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

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PLATE LXXIII

-ocr page 312-

PLATE LXXIII.

Figs. 1-3. Dioonites B�chian�s 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

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�a

-ocr page 316-

PLATE LXXIY.

-ocr page 317-

PLATE LXXIV.

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

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PLATE LXXY.

-ocr page 321-

PLATE LXXV.

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

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U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE LXXV

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PLATE LXXYT.

MON XV-34

-ocr page 326-

PLATE LXXVI.

Page.

Fig. nbsp;nbsp;nbsp;1.nbsp;nbsp;nbsp;nbsp;POBOZAMITBSnbsp;nbsp;nbsp;nbsp;PEDICELLAT�S,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 tbn�inervis, sp.nbsp;nbsp;nbsp;nbsp;nov................................................. 171

7. nbsp;nbsp;nbsp;Basal portion of a narrow leaf................................................... 171

-ocr page 327-

U. �. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE LXXVI

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PLATE LXXVII,

-ocr page 330-

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

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PLATE LXXYIIl.

-ocr page 334-

PLATE LXXVIII.

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 leaves�a rare feature�aud 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

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PLATE LXXIX.

-ocr page 338-

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

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U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE LXXIX

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PLATE LXXX.

-ocr page 342-

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

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PLATE LXXXI.

-ocr page 346-

PLATP] 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

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PLATE LXXXII,

-ocr page 350-

PLATE LXXXII.

Page.

Fig. 1. Nageiopsis CKASSICAUUS, sp. nov................................................... 198

1. nbsp;nbsp;nbsp;Summit of a leafy branch.......................................................... 198

Fig. 2. Podozamites gbakdieoli�s, 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 pedicellat�S, sp. nov................................................ 180

5. nbsp;nbsp;nbsp;Basal portion of a leaflet........................................................... 180

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PLATE LXXXIII.

-ocr page 354-

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

-ocr page 355-

u. s. geollt;

aoiOP*-'

�ONO�

-ocr page 356- -ocr page 357-

PLATE LXXXIV.

MON XV-35

Jit-.

-ocr page 358-

PLATE LXXXIV.

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 s�bpalcatus, sp. nov.................

13. nbsp;nbsp;nbsp;Terminal portion of a leaf......................

Page.

179

198

201

204

201

171

173

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u. S. GEOLOGICAL SURVEY MONOGRAPH XV PLATE LXXXIV

12

-ocr page 360- -ocr page 361-

PLATE LXXXV,

-ocr page 362-

Figs.

1,2,8,9.

Fig.

Figs.

Fig.

Figs.

Fig.

5�.

6. 6.

6�.

7�.

10,15.

10.15. 15�.

11.

12.16. 12,16.

13.

13. 13�.

14. 14.

PLATE LXXXV.

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 S�HFALCATUS, 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 ACUTIPOLI�S, 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

-ocr page 363- -ocr page 364-

-ocr page 365-

PLATE LXXXYI.

-ocr page 366-

PLATE LXXXVI.

. 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

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PLATE LXXXVII,

-ocr page 370-

PLAT�] LXXXVII.

Page.

FiG. 1. PODOZAMITES ACUTIFOLI�S, Sp. nov............................................... l�l

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

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PLATE LXXXVIII.

-ocr page 374-

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

-ocr page 375-

MONOGRAPH XV PLATE LXXXVIII

-ocr page 376- -ocr page 377-

PLATE LXXXIX.

-ocr page 378-

r*9

PLATE LX XXIX.

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

-ocr page 379- -ocr page 380- -ocr page 381-

PLATE XO.

-ocr page 382-

PLATE X C,

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

-ocr page 383-

U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE XC

-ocr page 384- -ocr page 385-

PLATE XCI,

-ocr page 386-

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

-ocr page 387-

MONOGRAPH XV PLATE XCI

U. s. GEOLOGICAL SURVEY

-ocr page 388-

-ocr page 389-

PLATE XCII

MON XV-

-36

-ocr page 390-

PLATE XCII.

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

-ocr page 391- -ocr page 392- -ocr page 393-

PLATE XCIII,

-ocr page 394-

Figs. 1-3. 1.nbsp;1�.nbsp;2.

Figs. 4-6.

4. 4-�.

Fig.

PLATE XCIII.

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

-ocr page 395-

u. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE XCIll

-ocr page 396- -ocr page 397-

PLATE XCIV.

-ocr page 398-

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

J�lG. 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

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i3%- ^,-v,.;:,-.i;. nbsp;nbsp;nbsp;-r-irk^ -

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,,, . . nbsp;nbsp;nbsp;. .nbsp;nbsp;nbsp;nbsp;,nbsp;nbsp;nbsp;nbsp;15***^-^..-'?-- :

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■ nbsp;nbsp;nbsp;■.4quot;,nbsp;nbsp;nbsp;nbsp;' '“Ik' -^5

■ nbsp;nbsp;nbsp;■•- ' .nbsp;nbsp;nbsp;nbsp;quot;k-V' quot;kquot; ■ y '^?ï.’'.:.'\ -kkl ■-“■

JWte'i - ---_ rrniiL•' nbsp;nbsp;nbsp;-nbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;' ‘nbsp;nbsp;nbsp;nbsp;.-i

V*' nbsp;nbsp;nbsp;•*,?nbsp;nbsp;nbsp;nbsp;' ï- ' •«Jiv.X-'ji '' “•nbsp;nbsp;nbsp;nbsp;''■ ,'v'Wïnbsp;nbsp;nbsp;nbsp;«Ti.r' %nbsp;nbsp;nbsp;nbsp;■nbsp;nbsp;nbsp;nbsp;'■£nbsp;nbsp;nbsp;nbsp;-IS?-'»nbsp;nbsp;nbsp;nbsp;■)nbsp;nbsp;nbsp;nbsp;’ ;quot;gt;'amp;?•

;y r.'* l-.-f nbsp;nbsp;nbsp;''''quot;“^''’'rquot;-.'T-'f^'^nbsp;nbsp;nbsp;nbsp;' ' '■

-S-ïyI nbsp;nbsp;nbsp;'•“- '■ '' ’V ■quot;'nbsp;nbsp;nbsp;nbsp;'-;■nbsp;nbsp;nbsp;nbsp;■ 'nbsp;nbsp;nbsp;nbsp;■■nbsp;nbsp;nbsp;nbsp;■ quot;ri,

_____________ nbsp;nbsp;nbsp;„. . . »,»,gt;«'lt;quot;•■ ^■'c' ■*' • * -'

„ . ., nbsp;nbsp;nbsp;, .-■gt;. . ... - Hfr~-if;if•nbsp;nbsp;nbsp;nbsp;-' quot;nbsp;nbsp;nbsp;nbsp;■ ■ ■

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fi# I'M''q.'!

f M ■ nbsp;nbsp;nbsp;4^,%.-'■'' ■ •, ««-: •■'W' ''' ?^

?gt;• v-gt;v-. ■' nbsp;nbsp;nbsp;5‘*v^ ^nbsp;nbsp;nbsp;nbsp;quot;nbsp;nbsp;nbsp;nbsp;'■ ■'-nbsp;nbsp;nbsp;nbsp;■ ' ’■nbsp;nbsp;nbsp;nbsp;'--■•■•

'ï' i nbsp;nbsp;nbsp;.'-nbsp;nbsp;nbsp;nbsp;=‘ 'a i'nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;quot;

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PLATE XCV.

-ocr page 402-

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

-ocr page 403- -ocr page 404-

-ocr page 405-

PLATE XCVI.

-ocr page 406-

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

-ocr page 407- -ocr page 408- -ocr page 409-

PLATE XCVII.

-ocr page 410-

PLATE XCVII.

Page.

i�iGS. 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

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,’ nbsp;nbsp;nbsp;*■nbsp;nbsp;nbsp;nbsp;tnbsp;nbsp;nbsp;nbsp;Xnbsp;nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;■ -’ onbsp;nbsp;nbsp;nbsp;«StTnbsp;nbsp;nbsp;nbsp;f i A V^’*.nbsp;nbsp;nbsp;nbsp;JInbsp;nbsp;nbsp;nbsp;1

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PLATE XCYIII.

-ocr page 414-

PLATE XCVIII.

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

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PLATE XCIX.

-ocr page 418-

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

-ocr page 419- -ocr page 420-

-ocr page 421-

MON XV-37

PLATE C

-ocr page 422-

PLATE C.

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

-ocr page 423- -ocr page 424- -ocr page 425-

PLATE Cl

-ocr page 426-

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

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PLATE Oil.

-ocr page 430-

PLATE CII.

Page.

Figs. 1-4. Jjeptostrobus gongi�oli�s, 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

-ocr page 431- -ocr page 432- -ocr page 433-

PLATE GUI.

-ocr page 434-

PLATE cm.

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. Lbptostrob�s polios�s, sp. nov............................................... 230

5. nbsp;nbsp;nbsp;Fragments of several detached leaves........................................... 230

5�. Portion of a leaf magnified..................................................... 230

Figs. 6-12. Lbptostrob�s 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

-ocr page 435- -ocr page 436- -ocr page 437-

PLATE CIY.

-ocr page 438-

PLATE CIV,

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

-ocr page 439- -ocr page 440- -ocr page 441-

PLATE CY.

-ocr page 442-

PLATE CV.

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

-ocr page 443- -ocr page 444- -ocr page 445-

PLATE CYI.

-ocr page 446-

PLATE CV I.

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

-ocr page 447- -ocr page 448- -ocr page 449-

PLATE CYII

-ocr page 450-

PLATE evil.

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

-ocr page 451- -ocr page 452- -ocr page 453-

PLATE CVllI

MON XV-38

-ocr page 454-

PLATE CVIII.

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

-ocr page 455- -ocr page 456- -ocr page 457-

PLATE OIX.

-ocr page 458-

PLATE CIX.

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

-ocr page 459- -ocr page 460- -ocr page 461-

V �-

PLATE CX.

-ocr page 462-

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

-ocr page 463- -ocr page 464- -ocr page 465-

PLATE CXI.

-ocr page 466-

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

-ocr page 467- -ocr page 468- -ocr page 469-

PLATE CXTI.

-ocr page 470-

PLATE CXII.

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

-ocr page 471-

U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE CXIl

-ocr page 472- -ocr page 473-

PLATE CXIII,

-ocr page 474-

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. �ORREYA 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

-ocr page 475- -ocr page 476- -ocr page 477-

PLATE OXIV,

,.:rA5

-ocr page 478-

PLATE CXIV.

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

-ocr page 479- -ocr page 480- -ocr page 481- -ocr page 482-

PLATE CXV.

-ocr page 483-

PLATE C X V .

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

-ocr page 484- -ocr page 485-

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I /,.■

' fs; nbsp;nbsp;nbsp;■ .nbsp;nbsp;nbsp;nbsp;l -nbsp;nbsp;nbsp;nbsp;’

nfr ' nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;,nbsp;nbsp;nbsp;nbsp;■■«fï • T

■■■'.quot;■•■«.%• nbsp;nbsp;nbsp;;f,r-.-f .■.'.•■■■.•■'km;'

. ■*• r nbsp;nbsp;nbsp;V A.'nbsp;nbsp;nbsp;nbsp;fe if #nbsp;nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;^ '“ib jt ^nbsp;nbsp;nbsp;nbsp;35»**'*nbsp;nbsp;nbsp;nbsp;««•-■b AK Ar ti\j2 *.nbsp;nbsp;nbsp;nbsp;*.•**.•’•nbsp;nbsp;nbsp;nbsp;f. il «nbsp;nbsp;nbsp;nbsp;lt;4

-ocr page 486-

PLATE CXVI.

MON XV-39

-ocr page 487-

PLATE CXVI.

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

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

-ocr page 488- -ocr page 489-

/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

. -.' � 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 'I� � -� . 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'�gt;-'- '� --'��I �':

y nbsp;nbsp;nbsp;. ;�'�*�'�:-v-.-P

#' --' -�� nbsp;nbsp;nbsp;��-, quot;C?

.� -v. nbsp;nbsp;nbsp;v,=-. ....-� '4^: A

-ocr page 490-

PLATE CXVII.

-ocr page 491-

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�.

PLATE CXVII.

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

241

245

244

-ocr page 492- -ocr page 493- -ocr page 494-

PLATE CXYIII.

-ocr page 495-

PLATE CXVIII.

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�.

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�.

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

-ocr page 496- -ocr page 497-

'S' . quot;.xi’ /»■ . , ■■■ ;,’.■•, •; .-■■ nbsp;nbsp;nbsp;;■,nbsp;nbsp;nbsp;nbsp;;■' .■. • •'• M . ^. fcv’' .

'I-V -.-rrVVf •• 'V-'

i' - ''■“ nbsp;nbsp;nbsp;./■-''‘'•/.«=-gt; «ir* *; - ' ' : -quot;-^' C’gt;4^nbsp;nbsp;nbsp;nbsp;rd

-ocr page 498-

PLATE CXIX.

-ocr page 499-

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

-ocr page 500- -ocr page 501- -ocr page 502-

PLATE CXX.

-ocr page 503-

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

-ocr page 504- -ocr page 505- -ocr page 506-

PLATE CXXL

-ocr page 507-

PLATE CXXI.

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

-ocr page 508- -ocr page 509- -ocr page 510-

gt;V.T

.v!

. .-i

PLATE CXXII.

-ocr page 511-

PLATE CXXII.

Page.

Fig. nbsp;nbsp;nbsp;1. Taxodi�m (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

-ocr page 512- -ocr page 513- -ocr page 514-

PLATE CXXIII.

-ocr page 515-

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) ramos�m, 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

-ocr page 516- -ocr page 517-

� nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;-*^-�53

.. -�L' .� . nbsp;nbsp;nbsp;'��nbsp;nbsp;nbsp;nbsp;.nbsp;nbsp;nbsp;nbsp;/�-nbsp;nbsp;nbsp;nbsp;- .'. c '-.�. �. .'

^i'.

-.4.� .

�t��

��':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----' -

' V� J. N�c , nbsp;nbsp;nbsp;'��-nbsp;nbsp;nbsp;nbsp;.

^-gt;.

-/o-s

^ �r' �'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.

-ocr page 518-

PLATE CXXIV.

MON XV-40

-ocr page 519-

PLATE CXXIV.

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

-ocr page 520-

U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE CXXIV

-ocr page 521- -ocr page 522-

PLATE CXXV^

-ocr page 523-

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

-ocr page 524- -ocr page 525- -ocr page 526-

PLATE CXXYI.

-ocr page 527-

PLATE CXXVI.

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

-ocr page 528-

U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE CXXVI

-ocr page 529- -ocr page 530-

PLATE OXXYII,

-ocr page 531-

PLATE CXXVII.

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......-...............

-ocr page 532- -ocr page 533- -ocr page 534-

PLATE OXXVIII

-ocr page 535-

PLATE CXXVIII.

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. Si�Hknolbpidium 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

-ocr page 536- -ocr page 537- -ocr page 538-

PLATE CXXTX

-ocr page 539-

PLATE CXXIX.

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;SpHENOLEPIDI�M PARCERAMOS�M, 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

-ocr page 540-

U. 8. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE CXXIX

-ocr page 541- -ocr page 542-

PLATE CXXX.

-ocr page 543-

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

-ocr page 544-

U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE CXXX

A-

10

-ocr page 545- -ocr page 546-

PLATE CXXXI.

-ocr page 547-

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

257

260

254

259

-ocr page 548- -ocr page 549- -ocr page 550-

PLATE CXXXTI

MON XV-41

-ocr page 551-

PLATE CXXXII.

Page.

Fig. 1. Taxodhjm (Glyptostrobds) RAMOS�M, 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

-ocr page 552-

U. 8. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE CXXXII

MOSS ENG. CO.. N. Y.

-ocr page 553- -ocr page 554-

PLATE CXXXIII.

-ocr page 555-

Fig.

Figs. 2-4.

Pigs. 5-7.

6,7.

6�.

Figs. 8-12. 8-12.

PLATE CXXXIII.

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 Aq�iensis, sp. no................................................. 264

Scales of varying character, natural size, found always detached................. 264

-ocr page 556-

AHAuns nvoiooioao �S -n

-ocr page 557-

fr-

gt;?

I f nbsp;nbsp;nbsp;,4 4*1 r N* I.nbsp;nbsp;nbsp;nbsp;y-. Hl'�nbsp;nbsp;nbsp;nbsp;�*^ vT

� nbsp;nbsp;nbsp;i� / ,x/-/nbsp;nbsp;nbsp;nbsp;,nbsp;nbsp;nbsp;nbsp;^ ^Vt '* 'vnbsp;nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;. =5

/��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

iB�'i'.riws lt;��'.jaa *�v3i;sK�*'i-w�a!jj; . j/ 5! - i? ..L t;nbsp;tquot;� �nbsp;' t 't ,'.j �.nbsp;nbsp;nbsp;nbsp;^''' '________%. j - __________?______ .� '__________________________________r_- _:

-ocr page 558-

PLATE CXXXIV.

-ocr page 559-

PLATE C XX XIV.

Page.

Fig. nbsp;nbsp;nbsp;1. CARPOLITIIUS PASCIC�LAT�S, 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

-ocr page 560- -ocr page 561- -ocr page 562-

PLATE CXXXV.

-ocr page 563-

1,5.

2, 4. 2,4.nbsp;2�.

6. 6.

7, 7�.nbsp;7�.

10.

11,21.

12.

13.

14. 14.

15,18,22. 15,18,22.nbsp;15�.nbsp;15gt;gt;.

16.

16�.

17.

19.

20. 20.

Figs.

Fig.

Figs.

Fig.

Figs.

Fig.

Pig.

Fig.

PLATE CXXXV,

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

-ocr page 564- -ocr page 565- -ocr page 566-

PLATE OXXXYI.

-ocr page 567-

Fig. 1. 1.nbsp;1�.

Fig. 2.

Fig. 3.

FiG. 4.

4. 4�.

Fig. 5.

5�.

Fig. 6.

Fig. 7.

7. 7�.

Fig. 8.

8�.

Fig. 9.

Fig. 10. 10.nbsp;10�.

Fig. 11. 11.

Fig. 12. 12.

Fig. 13. Fig. 14.

Fig. 15. 15.

PLATE CXXXVI

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

Carpolith�s 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

Leptostkob�s ? (l)),8p. ? ................................... 231

Winged seed probably of Leptostrobns............................................. 231

Magnified form of 10............................................................... 231

LiBptostrobus ? (c), sp. ?.......................................................... 232

Large winged seed................................................................. 2.12

CYCADBOSPEEMUM ROTUNDAT�M, sp. nOV........................................... 271

Detached seed..................................................................... 271

Undetermined plant (a)............................................................ 271

Undetermined plant (ft)................................................... 271

Carpolithus mdcronatus, sp. nov................................................ 270

An attached seed...........-...................................................... 270

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PLATE CXXXYII.

-ocr page 571-

PLATE CXXXVII.

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 longifoli�m, sp. nov.......................................... 279

6. nbsp;nbsp;nbsp;Base of a large leaf.............................................................. 279

-ocr page 572- -ocr page 573- -ocr page 574-

PLATE OXXXYIII.

-ocr page 575-

PLATE CXXXVIII.

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. Acac�ephtlltjm spatulat�m, 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^PHYLL�M 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

-ocr page 576- -ocr page 577- -ocr page 578-

PLATE CXXXIX.

-ocr page 579-

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

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PLATE OXL.

MON XV-42

-ocr page 583-

PLATE CXL.

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

-ocr page 584- -ocr page 585-

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S. •■, f,. nbsp;nbsp;nbsp;quot;•■'.. •

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► ■■'t. nbsp;nbsp;nbsp;‘ï;.'■'■?■nbsp;nbsp;nbsp;nbsp;,

ï ; nbsp;nbsp;nbsp;)•!'

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r^'“L/. gt;^'”'.'''LLt-;gt; nbsp;nbsp;nbsp;,'L

quot; nbsp;nbsp;nbsp;/• t' ''nbsp;nbsp;nbsp;nbsp;*

T nbsp;nbsp;nbsp;,, . s«A„/,.gt;/‘^* -• S^''

ï ^.- .-Xi -■ï *-4'' nbsp;nbsp;nbsp;■

h -ri

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v,fc ï/.

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li.-jVV: nbsp;nbsp;nbsp;15 • ‘Vf; .V?.lv.v^ i'i'■ 5nbsp;nbsp;nbsp;nbsp;■:■ :%A -i■:nbsp;nbsp;nbsp;nbsp;■..,. ■;,.,. ’ v-,:;.;...,,',,..s,.,, •;;V5-'Av

r*?-. _________« nbsp;nbsp;nbsp;»gt;*- _•.nbsp;nbsp;nbsp;nbsp;_________^ *___.-_fc.J____.

n:.:i¥;^«.««-^'!S;£Sgt;:,i:J

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..* ...A _. nbsp;nbsp;nbsp;____*■*

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PLATE CXLI.

-ocr page 587-

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

-ocr page 588- -ocr page 589- -ocr page 590-

PLATE CXLII

-ocr page 591-

PLATE CXLII.

Page.

Figs. 1,2. Prote.�phyi.l�m 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

-ocr page 592- -ocr page 593- -ocr page 594-

PLATE CXLIII

-ocr page 595-

PLATE C XL II I.

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

-ocr page 596- -ocr page 597- -ocr page 598-

PLATE CXLIV.

-ocr page 599-

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

2�gt;. 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

-ocr page 600- -ocr page 601- -ocr page 602-

PLATE CXLY

-ocr page 603-

PLATE CXLV.

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

-ocr page 604-

U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE CXLV

-ocr page 605- -ocr page 606-

PLATE CXLYI.

-ocr page 607-

PLATE CXLVI.

� 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

-ocr page 608- -ocr page 609- -ocr page 610-

PLATE OXLVII.

-ocr page 611-

PLATE CXLVII.

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

-ocr page 612- -ocr page 613- -ocr page 614-

PLATE CXLVIII.

MON XV-43

-ocr page 615-

PLATE CXLVIII.

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

-ocr page 616- -ocr page 617- -ocr page 618-

PLATE CXLIX.

-ocr page 619-

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

-ocr page 620- -ocr page 621- -ocr page 622-

PLATE CL.

-ocr page 623-

Fig.

Figs.	2-7.
	2,3,6.
	4.
	5.
	7.
Fig.	8. 6.
Figs.	9,10.
	9,10.
Fig.	11.
	11.
Fig.	12.
	12.
	12�.
Fig.	13.
	13.

PLATE CL.

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 TEN�INERVB, sp. nOV.....................

Fragment of apparently the middle part of the leaf..........

Page.

287

288 288nbsp;288nbsp;288nbsp;288

303

308

310

302

280

286

-ocr page 624- -ocr page 625- -ocr page 626-

PLATE CLI.

-ocr page 627-

PLATE CL I.

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

-ocr page 628- -ocr page 629- -ocr page 630-

PLATE CLII.

-ocr page 631-

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.TACE�M: Newb., var. hbteeolobum............................... 289

5. nbsp;nbsp;nbsp;Entire leaf.............-............................. .......................... 289

-ocr page 632- -ocr page 633- -ocr page 634-

*■

PLATE CLIIL

■ nbsp;nbsp;nbsp;' ■nbsp;nbsp;nbsp;nbsp;'-lt;•• •nbsp;nbsp;nbsp;nbsp;■ %gt;-• y »■,

' gt;i.-

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Fig. 1. 1.

1�.

I*�.

Fig. 2.

Fig. 3.

Fig. 4.

PLATE CLIII.

Page.

SaPINDOPSIS TEN�INEKVIS, 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

-ocr page 636- -ocr page 637- -ocr page 638-

PLATE CLIV.

-ocr page 639-

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

-ocr page 640- -ocr page 641- -ocr page 642-

PLATE CLV.

-ocr page 643-

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

298

297

312

.311

311

-ocr page 644- -ocr page 645- -ocr page 646-

PLATE CLVI.

MON XV-44

-ocr page 647-

PLATE CL VI.

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.�M 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. AnALMPHYLL�M 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

-ocr page 648-

U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE CLVI

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?:r;v

f-'.

�� \-i - nbsp;nbsp;nbsp;i , � ,*

�'�:�� nbsp;nbsp;nbsp;-i.' . '^�

.,� � nbsp;nbsp;nbsp;;-., , � �!�gt;: -�; v4i

- 'v '

'�\''-.''Vv if '-C nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;� ii~4

- �--- nbsp;nbsp;nbsp;�V-.V

r-i

i ' nbsp;nbsp;nbsp;*�nbsp;nbsp;nbsp;nbsp;Vnbsp;nbsp;nbsp;nbsp;^ quot;S'* ^ ? * �*'�� V 3

* nbsp;nbsp;nbsp;\nbsp;nbsp;nbsp;nbsp;// ^ i ^nbsp;nbsp;nbsp;nbsp;^'*�^'|

* 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 � -i_ jStiB**_*!T -._ 4 � ._^ quot; � ^ �_*%.�__ *�'Si � � � j*. ?_ ' * -. * �

-1

quot;V:

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PLATE CLYII.

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Figs.

Fig.

1,7.

1.

2.

Figs. 3,5,6.

5,6.

6�.

Fig.

PLATE CL VII.

Page.

A RALIA DUBIA, Sp. nOV ....................................................... 314

Summit of a lobe.............................................................. 314

Fragment of a leaf.............................................................

Stbrc�lia blbgans, sp. nov................................................... 314

Eestoration of the leaf as made out from fragments............................. 314

JUGLANDIPHYLLUM INTEGRIPOLI�M, 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

-ocr page 652- -ocr page 653- -ocr page 654-

PLATE CLVIII.

-ocr page 655-

Fig,

Figs.

Fig.

Figs.

Fig.

1�.

2,3.

5. 5.

5*^.

6.7.

6.7. 7�.

PLATE CLVIII.

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

POP�I.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

Ulmiphyll�m 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

-ocr page 656- -ocr page 657- -ocr page 658-

PLATE OLIX.

-ocr page 659-

PLATE CLIX.

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 cr�:tace�m (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

-ocr page 660-

u. S. GEOLOGICAL SURVEY Monograph xv plate clix

-ocr page 661- -ocr page 662-

PLATE OLX.

-ocr page 663-

PLATE CLX.

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

-ocr page 664- -ocr page 665- -ocr page 666-

PLATE CLXI,

-ocr page 667-

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

-ocr page 668- -ocr page 669- -ocr page 670-

PLATE CLXII.

-ocr page 671-

PLATE CLXII.

Page.

Pig. 1. Hkdbr^phtllum ang�latum, sp. ................................................ 324

1. nbsp;nbsp;nbsp;Nearly entire leaf.............................-.................�................ 324

Fig. 2. Aralmphyll�m 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

-ocr page 672- -ocr page 673- -ocr page 674-

PLATE CLXIII.

-ocr page 675-

PLATE CLXIII.

Page.

Figs. 1,4. Arali.�phyi,i,um obt�silob�m, 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

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U. S. GEOLOGICAL SURVEY

MONOGRAPH XV PLATE CLXIll

rja

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. nbsp;nbsp;nbsp;^nbsp;nbsp;nbsp;nbsp;v'quot; V �nbsp;nbsp;nbsp;nbsp;'nbsp;nbsp;nbsp;nbsp;^ gt;nbsp;nbsp;nbsp;nbsp;:j:,\nbsp;nbsp;nbsp;nbsp;quot;* ^

.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;^

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PLATE CLXIV

MON XV--45

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Figs. 1,2. 1.nbsp;1�.nbsp;2.

Fig.