REVIEWS

Book reviewed in this article:
Flora of Iraq . Volume I. Introduction to the Flora . Ed. by Evan Guest, with assistance from Ali Al-Rawi.
Principles of Industrial Microbiology . By A. R hodes and D. L. F letcher .
Movement of Water in Plants . By G. E. B riggs . Botanical Monographs (Ed. by J. H. B urnett )
Morphogenesis and Microscopic Cytochemistry of Marine Pyrenomvcete Ascospores . By P. W. K irk .
Primary Productivity of Aquatic Environments . Ed. by C. R. G oldman .
Fantastic Trees . By E dwin A. M enninger .
Specific Replant Diseases . By B. M. S avory .
The Plastids . By J. T. O. K irk and R. A. E. T ilney -B assett .
Light as an Ecological Factor . Ed. by R. B ainbridge , G. C. E vans and O. R ackham .
The Structure and Life of Bryophytes . By E. V. W atson .