Excerpt from History of Pre-Clusian Botany in Its Relation to Aster<br><br>Many asters have also seemed so variable that it has been questioned if the same rootstock would repeat the same characters at all in the growth of a second year. I have, therefore, kept the same plants under scrutiny for three successive seasons, sometimes for four years or more in succession, keeping certain sections under such repeated observation, including numerous localities near New York City; on Martha's Vineyard; near Newton, Mass, on the Charles River; in the White Mountains in the Lake Erie region (at Niagara gorge; in the Cattaraugus Indian reservation; near Silver Creek, and near Dunkirk, N. Also about the Potomac River.<br><br>Many courtesies have been received from the owners or cura tors of various herbaria examined. I desire hereby to make Special acknowledgments also to those who have kindly made collections for me, particularly to Mr. E. P. Bicknell, who has generously placed at my service his extensive field collections made about New York City. Mr. M. L. Fernald has made similar collections for me about Orono, Maine, Miss Nellie F. Harvey about Castine.<br><br>About the Publisher<br><br>Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com<br><br>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.