314. Curcas.—Purging Nuts.
314. CURCAS.—PURGING NUTS. The seeds of Cur'cas pur'gans Adanson. Habitat: Brazil, West Indies, and Africa. They resemble croton seeds, but have a dull black, fissured surface and are somewhat milder in action. The purgative principle is ricinoleic acid; they also contain about 40 per cent. of an acrid, colorless fixed oil.