• (n.) A white crystalline glucoside extracted from the bastard hemp (Datisca cannabina).
Da·tis'cin noun (Chemistry) A white crystalline glucoside extracted from the bastard hemp ( Datisca cannabina ). 
Datiscin is a substance yielded by the bastard hemp, Datisca cannabina, a herbaceous dioecious perennial, a native of the south of Europe, where it is used as a substitute for Peruvian bark, and for making cordage. Datiscin is extracted from the leaves, and is used as a yellow dye.