Eryngium yuccafolium.

Botanical name: 

Syn.—Eryngium aquaticum; Button Snake Root; Water Eryngo.
P. E.—The rhizome.
N. O.—Umbelliferae.
N. H.—United States.

Properties: Diuretic, diaphoretic, expectorant, in large doses emetic.

Use: Its principal use is in irritability of the urinary organs, indicated by itching and burning of the parts. Of some value in leucorrhea, dysmenorrhea, gonorrhea, gleet and spermatorrhea. In respiratory troubles with excessive secretion it has a tonic effect, and in this way lessens secretion. In some forms of gastro-intestinal irritation with nausea, tenderness, and a red tongue, it is of value. In catarrhal inflammation of the upper air passages, with relaxed condition, it is of value. In influenza it is said to be a good remedy. It is a mild tonic to the reproductive organs and useful in nymphomania and satyriasis. Of much value in urethritis and cystitis.

The Materia Medica and Clinical Therapeutics, 1905, was written by Fred J. Petersen, M.D.