The Geological History of PlantsD. Appleton & Company, 1892 - 294 pagini |
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Pagina
... . THE FLORA OF THE EARLY MESOZOIC - REIGN OF PINES AND CYCADS . 175 CHAPTER VI . THE REIGN OF ANGIOSPERMS IN THE LATER CRETACEOUS AND EARLY TERTIARY OR KAINOZOIC . . 191 CHAPTER VII . PLANTS FROM THE TERTIARY TO THE MODERN 2.
... . THE FLORA OF THE EARLY MESOZOIC - REIGN OF PINES AND CYCADS . 175 CHAPTER VI . THE REIGN OF ANGIOSPERMS IN THE LATER CRETACEOUS AND EARLY TERTIARY OR KAINOZOIC . . 191 CHAPTER VII . PLANTS FROM THE TERTIARY TO THE MODERN 2.
Pagina 2
... crust in some places and ridging of it up in others , it follows that there have , from the earliest geological periods , been deep ocean- basins , ridges of elevated land , and broad plateaus 2 THE GEOLOGICAL HISTORY OF PLANTS .
... crust in some places and ridging of it up in others , it follows that there have , from the earliest geological periods , been deep ocean- basins , ridges of elevated land , and broad plateaus 2 THE GEOLOGICAL HISTORY OF PLANTS .
Pagina 3
... early time when a solid shell first formed on our nascent planet to the present day . By collecting the fossil remains embedded in the several layers and placing these in chronological order , we obtain in like manner histories of ...
... early time when a solid shell first formed on our nascent planet to the present day . By collecting the fossil remains embedded in the several layers and placing these in chronological order , we obtain in like manner histories of ...
Pagina 4
... earliest tribes , whose flint weapons and the ashes of their fires rest on the original surface of the ground . Let us now tabulate the whole geological succession with the history of animals and plants associated with it : ANIMALS ...
... earliest tribes , whose flint weapons and the ashes of their fires rest on the original surface of the ground . Let us now tabulate the whole geological succession with the history of animals and plants associated with it : ANIMALS ...
Pagina 7
... early . Next in order we find forests in which gigantic 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 ...
... early . Next in order we find forests in which gigantic 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 ...
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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