The Geological History of PlantsD. Appleton & Company, 1892 - 294 pagini |
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Pagina
... FERNS EQUISETINERE LYCOPODINER CYCADACER CONIFERA MONOCOTYLEDONS DICOTYLEDONS CAMBRIAN . LAURENTIAN , & c DIAGRAM OF THE HISTORY OF PLANTS IN GEOLOGICAL TIME . ( ADAPTED FROM WARD . ) KD17193 HARVARD COLLEGE LIBRARY 043x1 COPYRIGHT ...
... FERNS EQUISETINERE LYCOPODINER CYCADACER CONIFERA MONOCOTYLEDONS DICOTYLEDONS CAMBRIAN . LAURENTIAN , & c DIAGRAM OF THE HISTORY OF PLANTS IN GEOLOGICAL TIME . ( ADAPTED FROM WARD . ) KD17193 HARVARD COLLEGE LIBRARY 043x1 COPYRIGHT ...
Pagina
... Ferns . Archæopteris Caulopteris Megalopteris Calamites Asterophyllites Dadoxylon • • 21 22 , 23 28 28 • 29 · 30 • 31 . · 33 34 36 • 37 · 40 49 · • 54 62 , 63 64 , 66 • 65 66 72 , 73 • 74 75 · 76 77 78 79 Cordaites Erian Fruits ...
... Ferns . Archæopteris Caulopteris Megalopteris Calamites Asterophyllites Dadoxylon • • 21 22 , 23 28 28 • 29 · 30 • 31 . · 33 34 36 • 37 · 40 49 · • 54 62 , 63 64 , 66 • 65 66 72 , 73 • 74 75 · 76 77 78 79 Cordaites Erian Fruits ...
Pagina
... Ferns of the Coal - formation ( six Figures ) 126-129 Noeggerathia dispar 130 Cordaites . 131 Sternbergia Fruits of Cordaites , & c . Conifers of the Coal - formation ( four Species ) Trigonocarpum Walchia imbricatula Foliage of the ...
... Ferns of the Coal - formation ( six Figures ) 126-129 Noeggerathia dispar 130 Cordaites . 131 Sternbergia Fruits of Cordaites , & c . Conifers of the Coal - formation ( four Species ) Trigonocarpum Walchia imbricatula Foliage of the ...
Pagina 6
... Ferns ( Filices ) , the Mare's - tails ( Equisetacea ) , and the Club - mosses ( Lycopodiaceae ) , and a curious little group of aquatic plants called Rhizocarps ( Rhizocarpeœ ) . The Phænogams are all vascular , but they differ much in ...
... Ferns ( Filices ) , the Mare's - tails ( Equisetacea ) , and the Club - mosses ( Lycopodiaceae ) , and a curious little group of aquatic plants called Rhizocarps ( Rhizocarpeœ ) . The Phænogams are all vascular , but they differ much in ...
Pagina 7
... Ferns and Lycopods and Mare's - tails predominate , and are associated with pines . Succeeding these we have a reign of Gym- nosperms , and in the later formations we find the higher Phænogams dominant . Thus there is an advance in ...
... Ferns and Lycopods and Mare's - tails predominate , and are associated with pines . Succeeding these we have a reign of Gym- nosperms , and in the later formations we find the higher Phænogams dominant . Thus there is an advance in ...
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Termeni și expresii frecvente
abundant Acrogens aërial roots Algæ allied America animal appear arctic areoles bark beds belong bituminous branches Brongniart Calamites Canada carbon Carboniferous Caulopteris cellular character clay climate coal coal-formation conifers Cordaites cycads Dadoxylon Dawson deposits described Devonian diameter dicotyledonous Eocene Europe exogenous fact ferns flora formation forms fossil fossil plants fronds fructification fruit Gaspé genera genus Geological Society graphite Greenland gymnospermous Heer hemisphere Journal known land land-plants Laramie Laurentian leaf-bases leaf-scars leaves Lepidodendron Lepidophloios Lesquereux limestone Lower Carboniferous Lycopods macrospores matter medullary rays Mesozoic Miocene modern Nematophyton northern Nova Scotia occur outer Palæozoic period Permian pines pinnules pith present preserved probably Prof Psilophyton referred remarkable resemble Rhizocarps rocks sandstones scalariform scars Sequoia shales Sigillaria Silurian similar species specimens Sphenophyllum Sporangites spore-cases spores sporocarps stems Sternbergia structure surface Tertiary thick tion tissue tree-ferns trees trunks types Upper Cretaceous vascular vegetable wood woody