Cassia

1. A genus of leguminous plants, several species of which afford Senna, q. v. 2. An old name, still used commercially, for the coarser varieties of cinnamon. See Cinnamon. C. Bark, Ca ia ligne a. See Cinnamon. C. Buds, the immature fruit of Chinese cinnamon; used chiefly as a spice. C. marilandica, of N. America, produces the leaves called American senna, which are le active as a cathartic than the true senna. C. Oil, a variety of oil of cinnamon, used in pharmacy and in perfumery. C, Purging, is the fruit of a tree, C. fistula, growing in tropical regions. The pulp, C.Pulpa (B. P.), in doses is a mild laxative.