Excerpt from North American Flora, Vol. 22: Part 7; September 23, 1959 Numbers in boldface indicate places where taxa are named and described. Numbers in italic refer to pages on which the names appear as synonyms. Other numbers refer to the use of names in keys or to passing mention of them without description. The numerous hybrids are not indexed unless they have received distinctive epithets. The members of the families Amygdalaceae to Fabaceae are not described in the present volume. 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.