REVIEWS

Review in this article:
The Grass, Fern and Savannah Lands of Ceylon, their Nature and Ecological Significance. By C. H. H olmes .
Guide to the National Pinetum and Forest Plots at Bedgebury. By W. D allimore , R. F. W ood and others. Edited for H.M. Forestry Commission by J. M acdonald and H. J. E dlin .
Elementary Genetics. By W ilma G eorge .
The Stipitate Hydnums of the Eastern United States. By W illiam C hambers C oker and A lma H olland B eere .
Leaf Analysis. By H. L undegårdh , translated by R. L. M itchell .
Trace Elements in Plant Physiology (Lotsya, Vol. 3, I.U.B.S. Colloquia, Series B., No. 1).
Respiration et Métabolisme Azoté ( Etude de physiologie foliaire ) By A lexis M oyse .
Manual of Phycology. An Introduction to the Algae and their Biology. Edited by G ilbert M. S mith .
Recent Advances in the Study of Plant Viruses. By K enneth M. S mith .
An Introduction to the Anatomy of Seed Plants. By E. L. S tover .
Drawings of British Plants. Part V. Caryophyllaceae. By S tella R oss -C raig .
Zur Lebensgeschichte des Schilfs an den Ufern der Schweizer Seen. Beiträge zur geobotanischen Landesaufnahme der Schweiz. Heft 30. By H ans H ürlimann .
Vegetationskarte der Schweiz. In four sheets, I-IV. Scale 1: 200,000. By E mil S chmid .
Native Orchids of North America. By D. S. C orrell .
Advances in Genetics. Vol. IV. Edited by M. D emerec .
Flora of the British Isles. By A. R. C lapham , T. G. T utin and E. F. W arburg .
Introduction to Mycology. By J. A. M acdonald .