REVIEWS

Books reviewed in this article: The Biology of Mycorrhiza. By J. L. H arley . Techniques for Plant Electron Microscopy by B. E. J uniper , A. J. G ilchrist and P. R. W illiams . Dormancy and Survival. Ed. by H. W. W oolhouse . Organization and Control in Procaryotic and Eucaryotic Cells. Ed. by H. P. C harles and B. C. J. G. K night . The Induction of Flowering. Ed. by L. T. E vans . Anatomy of the Monocotyledons. Ed. by C. R. M etcalfePopulation Dynamics. By M aurice S olomon . Chemical and Botanical Guide to Lichen Products. BY C hicita F. C ulberson . Drawings of British Plants; Part XXVI: Polygonaceae‐Buxaceae. By S tella R oss ‐C raig . The Native Cacti of California. By L yman B enson . Lehrbuch der Pflanzenphysiologie . By H. M ohr . Experimente zur Pfianzenphysiologie . By P eter S chopfer . Biologie de la vigne . By F. B ugnon and R. B essisLa Phyllotaxie . By J.‐E. L oiseau . Leven en werk van Hugo de Vries . By P. H. W. A. M. de V eer . Chemical Analysis of Leaves and other Organs of Theobroma cacao L. as a Means of Diagnosing Fertiliser Requirements . By T. E ernstman . Cactus‐Feeding Insects and Mites . By J ohn M ann . Bredin‐Archbold‐Smithsonian Biological Survey of Dominica. Myxotnycetes from Dominica . By M arie L. F arr . A Revision of the Genus Camissonia (Onagraceae) . By P eter H. R aven . Protoplasmatologia . Band VIII/7/b. Aktiver Transport (Kurzstreckentransport bet Pflan‐zen) . By U. L uttge . Protoplasmatologia . Band VIII/8. Sekretion und Exkretion bei Pflanzen. By E. S ciinepf . Protoplasmatologia . Band II/C/6. Die Hydration und Hydratur des Protoplasmas der Pflanzen und Hire öko‐physiologische Bedeutung. By H. W alter und K. K reeb .