The genus Alangium in the Netherlands Indies

The present revision comprises, besides the Alangia of the Netherlands Indies proper, also those of the Malay Peninsula, North Borneo, and Eastern New Guinea. The materials examined were kindly put at the author’s disposal by the Directions of the following herbaria: B = the Herbarium of the Botanic Garden, Buitenzorg. BD = the Herbarium of the Botanic Garden, Berlin—Dahlem. BM = the Herbarium of the British Museum of Natural History, London. Br = the Herbarium of the Botanic Garden, Brisbane. E = the Herbarium of the Botanic Garden, Edinburgh. G = the Herbarium of the University, Groningen. K = the Herbarium of the Botanic Garden, Kew. L = the National Herbarium (Rijksherbarium), Leiden. M = the Herbarium of the Bureau of Science, Manila. NY = the Herbarium of the Botanic Garden, New York. S = the Herbarium of the Botanic Garden, Singapore. Sa = the Herbarium of the Sarawak Museum, Kuching. U = the Herbarium of the University, Utrecht. UC = the Herbarium of the University of California, Berkeley. W = the Herbarium of the Museum of Natural History, Vienna. Most of the materials were sent to Groningen to be studied there. Moreover, the author had the opportunity to visit the Herbaria of the Botanic Gardens at Kew, that of the British Museum of Natural History at London, and those of LINNAEUS and SMITH preserved among the collections of the Linnean Society at London.