REVIEWS

Book reviewed in this article: Plant Cells . By F. A. L. C lowes and B. E. J uniper . The History of British Vegetation . By W inifred P ennington . Modern Biology: General Editor J. E. W ebb . Flora Europaea , Vol. II. Rosaceae to Umbelliferae . Ed. by T. G. T utin , V. H. H eywood , N. A. B urges , D. M. M oore , D. H. V alentine , S. M. W alters and D. A. W ebb . Desert Wild Flowers . By E dmund J aeger . British Mosses and Liverworts . By E. V. W atson . Anatomy of the Monocotyledons , Vol. III. Commelinales—Zingiberales . By P. B. T omlinson . General Editor C. R. M etcalfe . Biological Science—The Web of Life . Supervising Editor, D. M organ . Plant Chimeras . By W. N eilson ‐J ones . The Potatoes of Argentine, Brazil, Paraguay and Uruguay, a Biosystematic Study . By J. G. H awkes and J. P. H jerting . Towards an Understanding of the Mechanism of Heredity . By H. L. K. W hitehouse . Viruses in Plant Hosts; Form, Distribution and Pathologic Effects . By K atherine E sau . An Introduction to Industrial Mycology . By G eorge S mith .