1975-1981 Includes the following: Translocation in Plants / Developmental Plant Anatomy / Plant Symbiosis / Endogenous Plant Growth Substances / The Biology of Slime Moulds / The Biology of Slime Moulds / Dormancy and the Survival of Plants / Ecology of Plants in the Tropics / Phytochrome and Plant Growth / The Biology of Weeds / Plants and Temperature / Plant Growth Analysis / Plant Physiological Ecology / Ecology of Insect-Plant Interactions / Biological Control of Pests and Weeds. Each part has ca. 60-70 pages and is paperbound.