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. Rhodesand D. L. Fletcher. Movement of Water in Plants. By G. E. Briggs. Botanical Monographs (Ed. by J. H. Burnett) Morphogenesis and Microscopic Cytochemistry of Marine Pyrenomvcete Ascospores. By P. W. Kirk. Primary Productivity of Aquatic Environments. Ed. by C. R. Goldman. Fantastic Trees. By EdwinA. Menninger. Specific Replant Diseases. By B. M. Savory. The Plastids. By J. T. O. Kirkand R. A. E. Tilney‐Bassett. Light as an Ecological Factor. Ed. by R. Bainbridge, G. C. Evansand O. Rackham. The Structure and Life of Bryophytes. By E. V. Watson.