Balsamorhiza.

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Balsamorhiza. Balsamorhiza terebinthinacea Nutt. (Fam. Compositae.)—The root of this plant, obtained from Idaho and Oregon, has a strong, terebinthinate odor, and is used medicinally in the Western States. It contains volatile oil, fixed oil, resin, organic acid, and sugar (Herman T. Kelly, D. C., 1897, 32).

The Dispensatory of the United States of America, 1918, was edited by Joseph P. Remington, Horatio C. Wood and others.