This first volume of a series contains an introduction to Borneo and its orchid flora, chapters on the life history and structure of orchids, as well as a discussion of orchid classification. Keys to the orchid genera of Borneo are provided. A selection of a hundred species of wild orchid, chiefly of the horticulturally important genera (including Arachnis, Dimorphorchis, Paphiopedilum, Paraphalaenopsis, Phalaenopsis, and Vanda) is included, accompanied by descriptions, notes on habitat, ecology and distribution. All species described are illustrated. 104 line drawings and 122 colour photos.