Description of Coal Flora of the Carboniferous Formation in Pennsylvania and Throughout the United States: Additions and corrections of the first and second volumes with plates additional to atlas PDF Download
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Author: Leo Lesquereux
Publisher:
ISBN:
Category : Paleobotany
Languages : en
Pages : 574
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Book Description
Author: Leo Lesquereux
Publisher:
ISBN:
Category : Paleobotany
Languages : en
Pages : 574
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Book Description
Author: Leo Lesquereux
Publisher:
ISBN:
Category : Paleobotany
Languages : en
Pages : 210
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Book Description
Author: Leo Lesquereux
Publisher:
ISBN:
Category : Paleobotany
Languages : en
Pages :
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Book Description
Author: Leo Lesquereux
Publisher: Sagwan Press
ISBN: 9781298976246
Category :
Languages : en
Pages : 426
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Leo Lesquereux
Publisher:
ISBN:
Category : Paleobotany
Languages : en
Pages : 410
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Book Description
Author: Leo Lesquereux
Publisher: Nabu Press
ISBN: 9781295431984
Category :
Languages : en
Pages : 426
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Book Description
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.
Author: Leo Lesquereux
Publisher: Rarebooksclub.com
ISBN: 9781230169811
Category :
Languages : en
Pages : 66
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Book Description
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1884 edition. Excerpt: ...without symmetrical order, short, about 3 c. m. long, 3 m. m. in diameter, linear, narrowed into a blunt apex. The bundles of spores are irregularly placed, some in small compact groups, others more disseminated or spread along some leaves as if forced by compression out of a tubular envelope or sporange. All the spores are macrospores, 1 m. m. in diameter, as figured f. 3a. The fragments show the plant in its whole length, as an agglomeration of leaves compressed from the base to the apex which is genrally broken. The texture, as seen at the surface is that of Tceniophyllum contextum, Lesqx., "Coal Flora," p. 465, PI. LXXXII, Figs. % 2a. These plants may be the young shoots of the same species. In the description of T. contextum, I remarked on the relation of the plants to Isoetes. The relation is still more evident in these short plants. But the nature and the character of the sporanges are as yet unexplained. Habitat--Cannelton. No. 774 of Lacoe's collection. Trochophyllttm, Lesqx. "Coal Flora,"p. 6S. That generic name was used, I. c, for the provisory description of vegetable remains which, in a too deficient state of preservation, could not be definitively described, and which, therefore, could not be affixed to their legitimate place until their affinities had been demonstrated by the discovery of better specimens. The first of the two species placed in the genus Trochophyllum, viz: T. clavatum, described I. c., p. 65, PI. III, Figs. 21-23, has been recognized as representing half destroyed fragments of strobiles of Sigillaria, described here below as Sigillariostrobus Laurencianus. Of the other species, T. lineare, I. c. p. 64, PI. III, Figs. 24-256, I have now received a large number of specimens which...
Author: Leo Lesquereux
Publisher:
ISBN:
Category : Paleobotany
Languages : en
Pages :
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Book Description
Author: Leo Lesquereux
Publisher: Palala Press
ISBN: 9781358194955
Category :
Languages : en
Pages :
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Leo 1806-1889 Lesquereux
Publisher: Legare Street Press
ISBN: 9781019703090
Category :
Languages : en
Pages : 0
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Book Description
One of the most important works of American paleobotany, this book by Leo Lesquereux offers a comprehensive description of the coal flora of the Carboniferous Formation in Pennsylvania and the United States. It covers the morphology and anatomy of fossil plants, their distribution and evolution, and their significance for the study of geological history and climate change. A must-read for anyone interested in the history of Earth's biosphere and the evolution of plant life. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
