Living Plants and their Properties . A Collection of Essays. By Joseph Charles Arthur, Sc. D., Professor of Vegetable Physiology and Pathology in Purdue University, and Daniel Trembly MacDougal, Ph.D., Assistant Professor of Botany in charge of Plant Physiology in the University of Minnesota. New York, Baker & Taylor; Minneapolis, Morris & Wilson. 1898. Small 8vo. Pp. ix+234.