Books reviewed in this article:

Growth Regulators in Root Development. Ed. by M. B. Jackson and A. D. Stead.

Ecology of Saprotrophic Fungi. By R. C. Cooke and A. D. M. Rayner.

Advances in Gene Technology: Molecular Genetics of Plants and Animals. Ed. By K. Downey, R. W. Voellmy, F. Ahmadand J. Schultz.

Lehre und Forschung. Autobiographische Erinnerüngen (Grosse Naturforscher, Band 44). By Albert Frey-Wyssling.

Flowering Plants of Wales. By R. G. Ellis.

Vegetationskunde. By K. H. Kreeb.

Orchid Biology: Reviews and Perspectives 11. Ed. by Joseph Arditti.

Flora of Turkey and the East Aegean Islands, Volume 8. Ed. by P. H. Davis.

The Cereal Rusts, Volume I. Ed, by W. R. Bushnell and A. P. Roelfs.