6. Ustilago.—Corn Smut.
6. USTILAGO.—CORN SMUT. A fungous growth upon Zea mays, more particularly upon the inflorescence. Consists of blackish, irregular, roundish masses enveloping innumerable spores; of a disagreeable odor and taste. It contains probably sclerotic acid. Used as a parturient and emmenagogue. Dose: 15 to 30 gr. (1 to 2 Gm.).