Excerpt from Hardwicke's Science-Gossip, 1866: An Illustrated Medium of Interchange and Gossip for Students and Lovers of Nature Vascular fibres are derived either from the inner bark (liber) of exogenous or the vascular bundles of the leaves of endogenous plants. Each of these groups would possess their own peculiar features. 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.