GELSEMIUM

drug consisting of the dried root of a plant, Gelsemium nitidum, of natural order Loganiaceoe, growing chiefly in the southeastern United States, its chief constituents being two alkaloids, gelseminine and gelsemine. Its action has been shown to be mainly on a uteri or horns of the spinal cord grey matter, but owing to its uncertain action it is not much used now, except | sometimes, in combination with other drugs, for neuralgia or migraine, 1 ky ee ee Pee Oot a