Excerpt from Memoirs of the Boston Society of Natural History, 1905-1928, Vol. 6: With Fifty Plates IN the first number of this series the writer has called attention to certain features of the anatomy of the genus Sequoia, which seemed to indicate for that genus an Abietineous origin. The results obtained in the ease of Sequoia made it desirable that the Abietineae should be somewhat fully examined as a preliminary to the study of the other orders of the Coniferales. This procedure seems further advantageous, because the Abietineae are perhaps the most cl Jarly defined and most. Accessible of existing Coniferous orders and are at the same time a geologically very ancient group. 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.