The Geological History of PlantsK. Paul, Trench, 1888 - 290 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 29
Pagina 26
... closely resemble in form plants of this kind still existing ; and , since their simple cellular structures and soft tissues are scarcely ever preserved , their general forms are all that we can know , so that their exact resemblance to ...
... closely resemble in form plants of this kind still existing ; and , since their simple cellular structures and soft tissues are scarcely ever preserved , their general forms are all that we can know , so that their exact resemblance to ...
Pagina 34
... closely resemble the veins of a re- ticulately veined leaf . One of the most curious speci- mens in my pos- session was collect- ed by Mr. Elder in the Lower Car- boniferous of Horton Bluff . The little veins which form the projecting ...
... closely resemble the veins of a re- ticulately veined leaf . One of the most curious speci- mens in my pos- session was collect- ed by Mr. Elder in the Lower Car- boniferous of Horton Bluff . The little veins which form the projecting ...
Pagina 57
... closely resemble the bodies . found in the Australian white coal and Tasmanite . The precise geological age of this last material is not known with certainty , but it is believed to be Paleozoic . With reference to the mode of ...
... closely resemble the bodies . found in the Australian white coal and Tasmanite . The precise geological age of this last material is not known with certainty , but it is believed to be Paleozoic . With reference to the mode of ...
Pagina 59
... closely packed globular or oval sporangia of loose cellular tissue , attached to a central placenta . Each of these sporangia contains a single macrospore , perfectly globular and smooth , with a dense outer membrane ( ex- hibiting ...
... closely packed globular or oval sporangia of loose cellular tissue , attached to a central placenta . Each of these sporangia contains a single macrospore , perfectly globular and smooth , with a dense outer membrane ( ex- hibiting ...
Pagina 78
... closely allied to the pines and spruces , and are often included with them in the family of Coniferæ . They differ , however , in the habit of producing berries or drupe - like fruits instead of cones , and there is some reason to ...
... closely allied to the pines and spruces , and are often included with them in the family of Coniferæ . They differ , however , in the habit of producing berries or drupe - like fruits instead of cones , and there is some reason to ...
Alte ediții - Afișează-le pe toate
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
Pasaje populare
Pagina 35 - BARNES, William.— Poems of Rural Life, in the Dorset Dialect. New Edition, complete in one vol. Crown 8vo, 8s.
Pagina 16 - MARKHAM, Capt. Albert Hastings, RN— The Great Frozen Sea : A Personal Narrative of the Voyage of the Alert during the Arctic Expedition of 1875-6.
Pagina 13 - A Consul's Manual and Shipowner's and Shipmaster's Practical Guide in their Transactions Abroad. With Definitions of Nautical, Mercantile, and Legal Terms ; a Glossary of Mercantile Terms in English, French, German, Italian, and Spanish ; Tables of the Money, Weights...
Pagina 3 - Some Articles on the Depreciation of Silver, and Topics connected with it. Demy Svo, 5*.
Pagina 21 - HDM SPENCE. Genesis. By the Rev. T. WHITELAW, MA With Homilies by the Very Rev. JF MONTGOMERY, DD, Rev. Prof. RA REDFORD, MA, LL.B., Rev. F. HASTINGS, Rev. W. ROBERTS, MA An Introduction to the Study of the Old Testament by the Venerable Archdeacon...
Pagina 24 - Expository Lectures on St. Paul's Epistles to the Corinthians. A New Edition. Small crown 8vo, 5^. Lectures and Addresses, with other Literary Remains. A New Edition. Crown 8vo, $s. An Analysis of Mr. Tennyson's
Pagina 30 - XI. Animal Mechanism : a Treatise on Terrestrial and Aerial Locomotion. By Professor EJ Marey. With 117 Illustrations. Third Edition. Crown 8vo, 5*.
Pagina 19 - Q. Horati Flacci Opera. Edited by FA CORNISH, Assistant Master at Eton. With a Frontispiece after a design by L. Alma Tadema, etched by Leopold Lowenstam. Edgar Allan Poe's Poems. With an Essay on his Poetry by ANDREW LANG, and a Frontispiece by Linley Sambourne.
Pagina 23 - REYNOLDS, Rev. JW— The Supernatural in Nature. A Verification by Free Use of Science. Third Edition, Revised and Enlarged, Demy 8vo, 14^.
Pagina 21 - Numbers. By the Rev. R. WINTERBOTHAM, LL.B. With Homilies by the Rev. Professor W. BINNIE, DD, Rev. ES PROUT, MA, Rev. D. YOUNG, Rev. J. WAITE, and an Introduction by the Rev. THOMAS WHITELAW, MA Fourth Edition.