brucine
Bru"cine, n. Etym: [Cf. F. brucine, fr. James Bruce, a Scottish traveler.] (Chem.) Defn: A poweful vegetable alkaloid, found, associated with strychnine, in the seeds of different species of Strychnos, especially in the Nux vomica. It is less powerful than strychnine. Called also brucia and brucina.