Styrax Calamita. Resinous exudation from Styrax officitia'lis, in agglutinated tears resembling benzoin, wrapped in leaves; a factitious variety consists of the ground, exhausted bark or sawdust mixed with liquid storax, formed into reddish-brown cylindrical cakes, brittle, friable, soft and unctuous to the touch; contains many crystals of styraein, and has storax odor.
Sweet Gum (Liquidambar Styraciflu'A); United States. The balsam exudes spontaneously in hot climates and warm weather, or from incisions made in the trunk; it is a yellowish-brown thick liquid, solidifying on exposure, but softening by heat of the hand, odor balsamic, storax-like; taste aromatic, pungent, soluble in alcohol, ether, chloroform; contains hydrocarbon 3.5 p. c. (almost identical with styrol); cinnamic acid 5.5 p. c., styracin, storesin. Stimulant, expectorant, diuretic. Dose, gr. 5-30 (.3-2 Gm.); in emulsion; externally in ointment, cerate. Used mainly as an agreeable flavor and in making chewing gum.
Heu'Chera America'Na, Alum Root. Saxifragaceae. The rhizome, official 1820-1880; United States. Plant viscid, pubescent, .6-1.3 M. (2-4°) high; leaves 5-7.5 Cm. (2-30 wide, crenate; flowers purplish-white; root 15 Cm. (6') long, 12 Mm. (1/2') thick, several-headed, many thin radicles, brownish-purple; bark thin, inodorous, astringent, bitter; contains tannin 18-20 p. c, starch 5-16 p. c. Used as astringent, tonic, in diarrhoea, menorrhagia, aphthae, ulcers, hemorrhoids. Dose, gr. 15-30 (1-2 Gm.), in decoction. Hydran'gea arbores'cens, Seven-barks; dried rhizome and roots; diuretic, etc. Dose, gr. 15-30 (1-2 Gm.); fluidextract (75 p. c. alcohol).