Edited by PROFESSOR L. H. BAILEY.

flower, radish, asparagus, rhubarb, pea, salad plants and mints, root-crops, pepino, cucumber, muskmelon, bean, pepper, egg-plant, and others. The final chapter is a collection of summaries of the leading points in the management of each crop, so arranged that the busy man can turn to any one of them instantly. The book should be had by every person who has a greenhouse.

"The discussion of the various forms of houses, with their structural details, is very complete, although concise, and for the space it takes it gives more valuable information than can be found elsewhere in the same compass. All such practical questions as would be treated under the head of soil, fertilizers, irrigation, shading, pollination, etc., have received careful study, and the beginner can feel safe in following them to the letter."-Garden and Forest.

"It would have saved us dollars and dollars if we could have had it a few years ago." C. J. PENNOCK, Kennett Square, Pa.

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* *Other volumes are preparing for this series. One, The Pruning-Book, will be ready soon.

Works by Professor Bailey,

Not included in either of the foregoing series.

THE SURVIVAL OF THE UNLIKE: A Collection of Evolution Essays Suggested by the Study of Domestic Plants. Second edition. $2.00

This is an illustrated volume of 515 pages by Professor Bailey, containing an immense amount of fact, experiment and philosophy respecting the evolution of plants, and particularly of their modification under cultivation. It is the most thorough discussion of the running-out of varieties, acclimatization, and the like. It is, in fact, the only book which can be called a philosophy of horticulture. It comprises thirty essays, as follows: The Survival of the Unlike; Neo-Lamarckism and Neo-Darwinism; The Plant Individual in the Light of Evolution, or The Philosophy of BudVariation, and its Bearing upon Weismannism; Experimental Evolution amongst Plants; Van Mons and Knight, and the Production of Varieties; Some Bearings of the Evolution-Teaching upon Plant-Cultivation; Why Have our Enemies Increased?; Coxey's Army and the Russian Thistle, or a Sketch of the Philosophy of Weediness; Recent Progress in American Horticulture; On the Supposed Correlations of Quality in Fruits; The Natural History of Synonyms; Reflective Impressions of the Nursery Business; The Relation of Seed-Bearing to Cultivation; Variation after Birth; A Pomological Alliance; Sketch of the Relationship between American and Eastern Asian Fruits; Horticultural Geography; Some Emphatic Problems of Climate and Plants, Comprising "Speculative Notes upon Phenology (the Physiological Constant, and the Climatal Modification of Phenological Phenom

Works by Professor Bailey.

ena)," and "Some Interrelations of Climatology and Horticulture"; Are American Fruits Best Adapted to American Conditions?; Acclimatization: Does it Occur?; On the Longevity of Apple Trees; Sex in Fruits; Are Novelties Worth their Cost?; Why do Promising Varieties Fail?; Reflections upon the Longevity of Varieties, comprising "Do Varieties Run Out?" "Are the Varieties of Orchard Fruits Running Out?" "Studies in the Longevity of the Varieties of Tomatoes"; Whence Came the Cultivated Strawberry?; The Battle of the Plums; The Evolution of American Grapes; The Progress of the Carnation, comprising "Types and Tendencies in the Carnation," "John Thorpe's Ideal Carnation," and "Border Carnations"; Evolution of the Petunia; The Amelioration of the Garden Tomato, comprising "The Origin of the Tomato from a Morphological Standpoint," "History of the Trophy Tomato," "The Probable Course of Evolution of the Tomato," and "Direction of Contemporaneous Improvement of the Tomato "; Glossary.

"Whatever Professor Bailey writes is interesting reading. He has the rare gift of an entertaining style, and what he writes people want to read. All his previous books have been widely read, and this will prove no exception to the well-established rule. The secret of this popularity, if there be any secret about it, is that when he writes he has something new to say,-something based upon experiences and observations. These are by no means all his own, for he has the ability to see with the eyes of other people, as well as with his own. He is thus able to bring into his pages a rich mass of new matter, which gives them aditional interest and value.' PROFESSOR C. E. BESSEY, University of Nebraska, in "Science."

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A companion volume to "The Survival of the Unlike," beautifully illustrated, may be expected soon:

*

THE EVOLUTION OF OUR NATIVE FRUITS.
The same author has also on the press a

HIGH-SCHOOL BOTANY

(Illustrated by Holdsworth), and constructed upon a wholly new plan.

We also beg to announce that Professor Bailey has consented to undertake the editorial oversight of an

ENCYCLOPEDIA OF AMERICAN HORTICULTURE,

to be published in three large illustrated volumes, dated 1900. It is to contain signed articles by specialists, arranged alphabetically by subjects, on horticulture in its widest sense, including Fruit-Growing, Flower and Vegetable Gardening, Greenhouse Matters, Ornamental Gardening, the Botany of Cultivated Plants, Bibliographies, Biographies, etc.

THE MACMILLAN COMPANY,

66 Fifth Avenue, NEW YORK.