A Rubber Plant Survey of Western North America (Classic Reprint)

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Excerpt from A Rubber Plant Survey of Western North AmericaIn the course of an investigation of Chrysotham nus as a possible source of rubber, it has been found necessary to give considerable attention to the botanical relationships of the species and varieties of this genus of shrubs. Even before that investigation was begun in 1917, the author had undertaken a revision of the group and although the preparation of this has been delayed by the rubber studies it is intended now to carry it forward to completion. In the meantime, however, it is necessary that the forms discussed in the rubber report be properly defined and that those not hitherto recognized be named and described. These are the reasons for the publication of this preliminary paper.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.