Contains chapters on: Auyan-tepui: Reminiscences of An Orchid Search; A General Review of the Orchid Flora of China; Orchid Mycorrhiza; The Biology of Orchids and Euglossine Bees; Carbon Fixation in Orchids; Mineral Nutrition of Orchids; Flower Induction and Physiology in Orchids; Orchid Seed Germination and Culture.