Review in this article:

Outline of Palaeobotany. By Władysław Szafer and Mikołaj Kostyniuk.

[Zarys Palaeobotaniki. Władysław Szafer i Mikołaj Kostyniuk.]

Annual Review of Plant Physiology, Vol. V. Edited by D. J. Arnon and L. Machlis.

Analytic Studies in Plant Respiration. By the late F. F. Blackman.

Cold Spring Harbor Symposia on Quantitative Biology. Vol. xviii. Viruses.

Plant Life in Malaya. By R. E. Holttum.

The Changing Flora of Britain. By J. E. Lousley.