The Geological History of PlantsK. Paul, Trench, 1888 - 290 pagini |
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Pagina 98
... Dadoxylon in the Middle Erian of America , an interesting confirmation of the facts otherwise known as to the great richness and variety of this ancient flora . The late Prof. Goeppert informed me that he had recognised similar wood in ...
... Dadoxylon in the Middle Erian of America , an interesting confirmation of the facts otherwise known as to the great richness and variety of this ancient flora . The late Prof. Goeppert informed me that he had recognised similar wood in ...
Pagina 102
... Dadoxylon , though very imperfectly preserved ; and Prof. McNab has proposed † the generic name Palæopitys for another specimen of coniferous wood collected by Hugh Miller , and referred to by him in the " Testimony of the Rocks ...
... Dadoxylon , though very imperfectly preserved ; and Prof. McNab has proposed † the generic name Palæopitys for another specimen of coniferous wood collected by Hugh Miller , and referred to by him in the " Testimony of the Rocks ...
Pagina 107
... Dadoxylon Sandstone ) . Lower Devonian or Erian . Corniferous and Lower Sandstones . Lower Con- glomerates , Oriskany Gaspé Basin , & c . groups . Little Gaspé , & c . Campbellton Beds . It may be proper , before closing this note , to ...
... Dadoxylon Sandstone ) . Lower Devonian or Erian . Corniferous and Lower Sandstones . Lower Con- glomerates , Oriskany Gaspé Basin , & c . groups . Little Gaspé , & c . Campbellton Beds . It may be proper , before closing this note , to ...
Pagina 135
... Dadoxylon Acadianum ( radial ) , 90 diams . ; B ( tangential ) , 90 diams .; B2 , cell showing areolation , 250 diams . c , Dadoxylon materiarium ( radial ) , 90 diams .; o1 ( tangential ) , 90 diams .; c2 , cell showing areolation ...
... Dadoxylon Acadianum ( radial ) , 90 diams . ; B ( tangential ) , 90 diams .; B2 , cell showing areolation , 250 diams . c , Dadoxylon materiarium ( radial ) , 90 diams .; o1 ( tangential ) , 90 diams .; c2 , cell showing areolation ...
Pagina 137
... Dadoxylon . A , Specimen ( natural size ) , showing remains of wood at a , a . B , Junction of wood and pith , mag- nified . c , Cells of the wood of do . , a , a ; b , medullary ray ; c , areo- lation . the coal period we have found ...
... Dadoxylon . A , Specimen ( natural size ) , showing remains of wood at a , a . B , Junction of wood and pith , mag- nified . c , Cells of the wood of do . , a , a ; b , medullary ray ; c , areo- lation . the coal period we have found ...
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Termeni și expresii frecvente
acrogens aërial roots Algæ allied America appear arctic areoles bark beds belong bituminous branches Brongniart bundles Calamites Canada Carboniferous Caulopteris cells cellular character climate coal coal-formation conifers Cordaites cycads cylinder Dadoxylon Dawson Demy 8vo described Devonian diameter Eocene Erian Europe exogenous Fcap ferns flora formation forms fossil plants fronds fructification fruit Gaspé genera genus Geological Society graphite Greenland hemisphere Illustrations Journal Laramie Laurentian leaf-bases leaf-scars leaves Lepidodendron Lepidophloios Lesquereux limestone Lower Carboniferous Lycopods macrospores medullary rays Mesozoic Middle modern Nova Scotia occur outer Paleozoic period Permian petioles pines pinnate pinnules pith present probably Prof Psilophyton referred resemble Rhizocarps ribbed rocks sandstones scalariform scars Second Edition Sequoia shales Sigillaria Silurian similar Small crown 8vo species specimens Sphenophyllum Sporangites spore-cases spores sporocarps stems Sternbergia structure Tertiary thick Third Edition tion tissue tree-ferns trees trunks Upper Cretaceous vascular vegetable vols Williamson wood woody
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