Ly'copus virgin'icus, Bugle Weed. -- The herb, U.S.P. 1830-1870; N. America. Plant has smooth, obtusely quadrangular stem, 15-60 Cm. (6-24') high; leaves 5 Cm. (2') long, elliptic, glandular; flowers purple, 4-lobed, stamens 2. mint odor and bitter taste, root perennial, creeping; contains volatile oil, resin, bitter principle, tannin. Astringent, tonic, sedative, narcotic; hemorrhage, diarrhea, dysentery; infusion, decoction. Dose, gr. 5-30 (.3-2 Gm.).