The present paper, which gives some additions to H. J. Lam, The Burseraceae of the Malay Archipelago and Peninsula (Bull. Jard. hot. Buitenzorg, S. 3, vol. 12, 1932, p. 420), is based on material, belonging to the herbaria of Leiden and Bogor. The genus is restricted to the following 2 Malaysian species, one of which is new to science.