571. Ambrosia artemisiaefolia.—Ragweed.
571. AMBROSIA ARTEMISIAEFOLIA Linné.—RAGWEED. The leaves of this common weed have been used in domestic practice as an astringent, styptic, and hemostatic.
571a. AMBROSIA.—RAGWEED. The staminate flowers of Ambrosia artemisiaefolia Linné, North America. Staminate flowers very small, yellowish; surrounded by the cup-like, green involucre. Preparation: Fluidextract. Properties: Tonic and astringent. Uses: In treatment of inflammation from wounds and injuries; in hemorrhoidal tumors and ulcers; internally for hay-fever. See Pollen Extract, under Serotherapy. Also in the treatment of dysmenorrhea.
A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.