couch-grass

The American Illustrated Medical Dictionary · 1913 · p. 7

(kowtch’gras). The perennial gra , Agropy’'rum (Triticum) repens. Its long roots (trificum, U.S. P.) are diuretic and are useful in cystitis. It is given in decoction ad libitum. Dose of fluidextract, 1-4 dr. (4-16 c.c.).