Brassica.
Botanical name:
Brassica.—In China the oil of Brassica sinensis, or petsai, is used for lighting, and is said also to be purgative, and useful in skin diseases, while the Japanese employ the yellow oil of B. Campestris, L., under the name of aburana, for culinary and lighting purposes. (A. J. P., June, 1885.)