SINAPIS ALBA—WHITE MUSTARD
Derivation.—The dried ripe seeds of Sinapis alba Linne.
Habitat.—Southern Europe and Asia; cultivated in temperate climates.
Description.—Globular, with a circular hilum; shell yellowish, finely pitted, hard; embryo oily, with a curved radicle and two cotyledons, one folded over the other; free from starch; inodorous; taste pungent and acrid.
Dose.—Horses, 2 to 4 dr.; cattle, 1⁄2 to 1 oz.; sheep and pigs, 1 to 2 dr.; dogs, 10 to 15 gr.