An'themis no'bilis, Roman Chamomile. -- The dried flower-heads of cultivated plants, U.S.P. 1820-1900; S. And W. Europe. Perennial herb, 15-30 Cm. (6-12') high, hairy; leaves bipinnatisect, hairy. Flowers, 18 Mm. (3/4') broad, subglobular, consisting of imbricated involucre, many white, 3-toothed ray-florets and a few tubular disk-florets inserted upon chaffy, conical, solid receptacle; odor agreeable; taste aromatic, bitter; solvents: alcohol, hot water; contains volatile oil 1 p.c., anthemic acid (bitter principle), anthemene (anthemidin), resin 5.25 p.c., tannin, fixed oil. Stimulant (volatile oil), tonic (anthemic acid), carminative, nervine emmenagogue; warm infusion -- emetic; cold infusion -- tonic; large doses emetic, cathartic; intermittents, torpid liver, delirium tremens, dyspepsia (masticatory); externally -- colic, toothache, earache, rheumatism, ulcers, sprains (poultice with vinegar, laudanum); oil--rheumatism, flatulent colic. Dose, gr. 15-60 (1-4 Gm.); fluidextract, 3ss-1 (2-4 cc.); infusion (best form), 5 p.c., 3j-2 (30-60 cc.); oil, mj-5 (.06-.3 cc.). A. (Maru'ta) Cot'ula, Mayweed; the herb, U.S.P. 1820-1870; N. America. Annual plant in fields, roadsides, .3-.6 M. (1-2') high, greenish, furrowed, leaves thrice pinnatifid; flowers, June-Sept., receptacle solid, conical, chaffy ray-florets white, disk yellow; contains volatile oil, valeric acid, fat, tannin, anthemidine (?), anthemic acid. Stimulant, antispasmodic, sudorific, emmenagogue, vesicant for hysteria, colic, dysmenorrhea; in infusion. Dose, 3ss-2 (2-8 Gm.).

Anthemis nobilis: wild. Anthemis: a. Ray- and disk-floret magnified 4 diam.; b, section through single flower-head, natural size.