Ichthyome'thia Piscip'ula (Piscid'ia Erythri'na), Jamaica Dogwood. -- W. Indies. Well-developed tree, whose root-bark has long been used for catching fish, orange-yellow, fissured, tough, fibrous, odor opium-like, taste bitter, acrid; contains piscidin piscidic acid, resin, starch, fat. Narcotic, analgesic, soporific; neuralgia, nervous insomnia, whooping couth, dysmenorrhea; similar to opium, but less powerful, and devoid of unpleasant after-effects. Dose, 3ss-1 (2-4 Gm.); extract, fluidextract.