The Geological History of PlantsD. Appleton & Company, 1892 - 294 pagini |
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Pagina
... EOCENE . CRETACEOUS . JURA - TRIAS . PERMO - CAR = BONIFEROUS . DEVONIAN . SILURIAN . VASCULAR PHAENOGAMS . GYMNOSPERMS . ANGIOSPERMS . FERNS EQUISETINERE LYCOPODINER CYCADACER CONIFERA MONOCOTYLEDONS DICOTYLEDONS CAMBRIAN . LAURENTIAN ...
... EOCENE . CRETACEOUS . JURA - TRIAS . PERMO - CAR = BONIFEROUS . DEVONIAN . SILURIAN . VASCULAR PHAENOGAMS . GYMNOSPERMS . ANGIOSPERMS . FERNS EQUISETINERE LYCOPODINER CYCADACER CONIFERA MONOCOTYLEDONS DICOTYLEDONS CAMBRIAN . LAURENTIAN ...
Pagina 4
... Eocene . Cretaceous , Jurassic , Triassic . Permian , Angiosperms and Palms dominant . Cycads and Pines dominant . Carboniferous , Erian , Silurian , Ordovician , Cambrian , Huronian ( Upper ) . Huronian ( Lower ) , Upper Laurentian ...
... Eocene . Cretaceous , Jurassic , Triassic . Permian , Angiosperms and Palms dominant . Cycads and Pines dominant . Carboniferous , Erian , Silurian , Ordovician , Cambrian , Huronian ( Upper ) . Huronian ( Lower ) , Upper Laurentian ...
Pagina 181
... Eocene of Australia . leaves . This came into general use among the Chero-. FIG . 67. - Sequoia Smithiana , Heer . L. Cretaceous . FIG . 69. - Stercalia and Laurophyllum or Salic ,. THE FLORA OF THE EARLY MESOZOIC . 181.
... Eocene of Australia . leaves . This came into general use among the Chero-. FIG . 67. - Sequoia Smithiana , Heer . L. Cretaceous . FIG . 69. - Stercalia and Laurophyllum or Salic ,. THE FLORA OF THE EARLY MESOZOIC . 181.
Pagina 184
... Eocene of Mull in the Hebrides . * It is thus known in Europe , Asia , and America , from 43 ° to 78 ° north latitude , while its most nearly related living species , per- haps even descended from it , is now confined to Cali- fornia ...
... Eocene of Mull in the Hebrides . * It is thus known in Europe , Asia , and America , from 43 ° to 78 ° north latitude , while its most nearly related living species , per- haps even descended from it , is now confined to Cali- fornia ...
Pagina 190
... Eocene to Cretaceous . Upper Cretaceous Upper Laramie or Porcu- pine Hill . Fort Union group , U. S. territory . Middle Laramie or Willow Creek beds . Lower Laramie or St. Mary River . Fox Hill series . ( Danian and Senonian ) . Fort ...
... Eocene to Cretaceous . Upper Cretaceous Upper Laramie or Porcu- pine Hill . Fort Union group , U. S. territory . Middle Laramie or Willow Creek beds . Lower Laramie or St. Mary River . Fox Hill series . ( Danian and Senonian ) . Fort ...
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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