One of the handiest and most widely used identification aids. Fruit key covers 120 deciduous and evergreen species; twig key covers 160 deciduous species. Easily used. Over 300 photographs. "Students in the field . . . can get accurate identifications faster with these guides than with any of the many teacher's mimeographed ones." — Phytologia.
Here's a sample of other books in this Dover category
The Holy Earth: Toward a New Environmental Ethic by Liberty Hyde Bailey, Norman Wirzba Written by the Father of American Horticulture, this 1915 work offers timeless reflections on the earth's intrinsic divinity. Its application of scientific principles to horticulture exercised enormous influence on environmental protection programs.
The Book of Green Quotations by James Daley Timely and thought-provoking, this volume comprises many hundreds of quotations by presidents, scientists, activists, and other public figures on conservation, ecology, environmentalism, wilderness, global warming, pollution, nature, and other subjects.
