ACTION AND USES: Somewhat more astringent than the subcarbonate, because of the liberation of nitric acid. DOSAGE: 0.5 Gm. or 8 grains (U.S.P.). Preferably administered as a powder or as cachets. =Bismuthi Subsalicylas (Bism. Subsalicyl.), Bismuth Subsalicylate, U.S.P.=--Basic bismuth salicylate, of varying chemical composition. A white or nearly white, odorless, tasteless powder. Almost insoluble in water or alcohol. ACTION AND USES: Protective and astringent like other insoluble salts of bismuth, over which it has no marked advantage. DOSAGE: 0.5 Gm. or 8 grains (U.S.P.). =Boldo (Boldo), Boldo, N.F.= (Boldo Leaves). ACTION AND USES: Aromatic, perhaps somewhat diuretic. No well defined indications for its use. DOSAGE: 0.5 Gm. or 8 grains (N.F.). _Fluidextractum Boldi (Fldext. Boldi), Fluidextract of Boldo, N.F._--Boldo (100%). Absolute alcohol content about 80 per cent. DOSAGE: 0.5 Cc. or 8 minims (N.F.). =Brayera (Brayer.), Brayera, N.F.= (Kousso, Cusso).--Flowers. ACTION AND USES: Teniacide; without advantage over aspidium or pelletierine. DOSAGE: 15 Gm. or 4 drachms (N.F.). _Infusum Brayerae (Inf. Brayer.), Infusion of Brayera, N.F._--Brayera (6%) in water. DOSAGE: 250 Cc. or 8 fluidounces (N.F.). =Bromoformum (Bromof.), Bromoform, U.S.P.=--CHBr{3}. A heavy, clear, colorless liquid, with an ethereal odor and a sweet taste resembling that of chloroform. Slightly soluble in water and miscible with alcohol, chloroform, ether or fixed or volatile oils. ACTION AND USES: Has been recommended as a sedative in the treatment of whooping-cough. Opinions differ as to its value. DOSAGE: 0.2 Cc. or 3 minims (U.S.P.), preferably dissolved in almond oil or dropped on sugar. Bromoform is too dense to be dispensed safely with aqueous vehicles. =Bromum (Bromum), Bromine, N.F.=--Br. Heavy, dark, brownish-red, volatile liquid, with a suffocating odor resembling that of chlorine. Soluble in water (1:90) and freely soluble in alcohol or ether. ACTION AND USES: Violent irritant; seldom used in medicine. _Liquor Bromi (Liq. Brom.), Solution of Bromine, N.F._, (Smith's Solution of Bromine).--Bromine (8.3%), potassium bromide and water. USES: Antiseptic and irritant =Bryonia (Bryon.), Bryonia, N.F.= (Bryony).--Root. ACTION AND USES: Drastic resinous cathartic; without advantage over jalap. Used in dropsies, pleurisy, neuralgia, etc.; of doubtful value. DOSAGE: 1 Gm. or 15 grains (N.F.). _Tinctura Bryoniae (Tr. Bryon.), Tincture of Bryonia, N.F._--Bryonia (10%) in alcohol. Absolute alcohol content about 90 per cent. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.). =Buchu (Buchu), Buchu, U.S.P.= (Buchu Leaves, Short Buchu, Long Buchu). ACTION AND USES: At one time largely used as antiseptic and diuretic, especially in catarrhal cystitis. Value doubtful. DOSAGE: 2 Gm. or 30 grains (U.S.P.).