. The American botanist : a monthly journal for the plant lover. Plants; Plants -- United States. GRAY'S MANUAL OF BOTANY NEW EDITION ^I An Ululated flora of the Northern United States and Canada ea^ of the 96lh meridian. By A«a Gray, LL. D., late Professor of Natural Hiflory, Harvard Univ*rsity. Thoroughly revised and largely rewritten by Benjamin Lincoln Robinson, Ph. D., and Merritt L. Fomald, S. B. Qoth, 8vo. Ready soon. ^1 The same. ToutiA's edition. Flexible leather, 12mo, iliuflrated.^ MERICAN botanists, who have been impatiently awaiting the revision of this indispensable work, will be
. The American botanist : a monthly journal for the plant lover. Plants; Plants -- United States. GRAY'S MANUAL OF BOTANY NEW EDITION ^I An Ululated flora of the Northern United States and Canada ea^ of the 96lh meridian. By A«a Gray, LL. D., late Professor of Natural Hiflory, Harvard Univ*rsity. Thoroughly revised and largely rewritten by Benjamin Lincoln Robinson, Ph. D., and Merritt L. Fomald, S. B. Qoth, 8vo. Ready soon. ^1 The same. ToutiA's edition. Flexible leather, 12mo, iliuflrated.^ MERICAN botanists, who have been impatiently awaiting the revision of this indispensable work, will be delighted to know that a seventh, completely re- vised, and copiously illustrated edition, is now in press. The revision has entailed years of work by skilled No effort or expense has been spared to attain the highest degree of clearness, terseness, and accuracy. The plant families have been rearranged in a manner to show the latest view of their affinities, and hundreds of species have been added to the flora. The nomencla- ture has been brought into thorough accord with the important inter- national rules recently established—a feature of great significance. Indeed, the Manual is the only work of its scope which in the matter of nomenclature is free from provincialism and rests upon a cosmo- politan basis of international agreement. Nearly a thousand figures have been added, and scores of brief and lucid keys have been intro- duced in a manner which greatly simplifies the problem of plant identi- fication. The work has been extended to include Ontario, Quebec, and the maritime provinces of Canada. AMERICAN BOOK COMPANY 521 -531 Wabash Avenue. CHICAGO New York Cincinnati Chicago. Methods in. Moss Study Price $ Of the several books which I have written, none appear to be better appreciated by the public than this little book on Mosses, which is intended as a text book for beginners. These very attractive plants may be found at all seasons, but there is no
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