Ellenberg, H., Esser, K., Merxmüller, H., Schnepf, E. & Ziegler, H. (eds.), Progress in Botany. Morphology, Physiology, Genetics, Taxonomy, Geobotany. — Fortschritte in der Botanik. Morphologie, Physiologie, Genetik, Systematik, Geobotanik. Vol. 38. 22 figs., XVII + 377 pp. (45 pp. in German). Springer‐Verlag, Berlin, Heidelberg, New York, 1976. ISBN 3–540–07966–1. Cloth DM 120. —, US $ 49.20