Cro'cus sati'vus, Crocus, Saffron, N.F. -- The stigma with not more than 10 p.c. of yellow styles and 2 p.c. of other foreign organic matter, yielding not more than 7.5 p.c. of total ash; W. Asia, Spain, France. Low perennial bulbiferous herb with depressed globular corn (bulb), 2.5 Cm. (1') thick; leaves grass-like; flowers lilac, bluish-purple. Stigmas 3, united or separate, attached to apex of style, 25 Mm. (1') long, cornucopia-shaped, dark, rich red (developed by toasting after being collected), margin dentate or fimbriate, styles 10 Mm. (2/5') long, solid, yellowish, odor strong, peculiarly aromatic; taste bitterish, aromatic, colors saliva orange-yellow; with sulphuric acid -- blue, gradually changing to violet, deep red-wine; macerated in water -- yellow solution, in methyl alcohol -- deep orange; contains picrocrocin (saffron-bitter -- by hydrolysis yielding volatile oil and fructose), crocin (impure -- amorphous), fixed oil, ash 7.5 p.c. Adulterations -- common: florets, dyed stamens, petals, moisture 12 p.c., mineral matter (sodium bicarbonate, biborate, sulphate, potassium nitrate, Rochelle salt, lactose, etc.), increasing ash 17-32 p.c. There are three varieties: 1. Austrian (best); 2, French (Gatinais); 3, Spanish (inferior from presence of style bases and stigmas); known as hay saffron, as distinguished from cake saffron, which is no longer in commerce. Diaphoretic, carminative, emmenagogue, anodyne; to promote exanthematous eruptions in measles, etc., dysmenorrhea, conjunctivitis. Should be kept dark, in tightly closed containers. Dose, gr. 5-30 (.3-2 Gm.); 1. Tinctura Croci, 10 p.c. (diluted alcohol), dose, 3j-2 (4-8 cc.); 2. Tinctura Opii Crocata, 2.5 p.c.; 3. Pilulae Antiperiodicae, 1/4 gr.; 4. Tinctura Antiperiodica 2/5 p.c. Infusion (tea), 2 p.c., 3ij-4 (60-120 cc.).