296. BDELLIUM.—A gum-resin obtained from Commi'phora mu'kul Hooker and from C. africana Engler. Habitat: (1) East India; (2) Western Africa. (1) Dusty pieces breaking with a dark brown, conchoidal fracture; translucent in thin sections; (2) irregular, dusty tears, breaking with a yellowish to brown-red, waxy, angular fracture. Contains resin, volatile oil, and gum. Odor and taste resemble myrrh. Used for the same purposes.