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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.
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.
Excerpt from The Botanical Gazette, Vol. 71: January-June 1921 Nearly a decade ago eames in a publication from this labora tory, made a comparative study of the herbaceous type, which was particularly focussed on the Rosaceae, since this group presents in relative abundance closely related forms of woody and herbaceous texture. This investigator concluded that there is clear evidence in the Rosaceae for the origin of herbaceous stems from woody, as a consequence of the formation of large storage rays in relation to the incoming foliar traces. These rays usually extend some distance below the foliar trace, and also may be developed above it. In the horizontal aspect of the axis, in the region of the node of stems with a well developed fibrovascular cylinder, the storage parenchyma related to the leaf traces can be seen subtending them externally. The development of these masses of storage tissues in woody stems and in correlation to the vascular supply of the leaves (since the masses in question not only subtend the foliar traces vertically but, in cylinders of any thickness, likewise in the radial dimension as well) automatically results in the transformation of the continu ous dicotyledonous woody cylinder (ultimately at any rate) into a circular series of discontinuous fibrovascular segments, the fibro vascular bundles so characteristic of herbaceous stems. Accom panying the development of the large foliar rays, as pointed out by Ems, is the final degeneracy of the rays of moderate size, which are normally characteristic of the woody cylinder of arboreal Angiosperms. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Reprint of the original, first published in 1876.