A companion to the United States pharmacopia; . a, page 57. Must be recently dried. An old drugis useless. The fresh ( green) root has alsobeen used, and is by some held to bemore active. The fresh plant containssome acrid substance which blisters theskin. Constituents.—Contains the glu-coside bryonin, which has been obtained in pearly crystals, having abitter, acrid taste, or in white powder. It is soluble in water and inalcohol, but insoluble in ether. Medicinal Uses.—This drug is a drastic cathartic, and is used incases in which jalap would be also indicated. It was at one time usedquite fr
A companion to the United States pharmacopia; . a, page 57. Must be recently dried. An old drugis useless. The fresh ( green) root has alsobeen used, and is by some held to bemore active. The fresh plant containssome acrid substance which blisters theskin. Constituents.—Contains the glu-coside bryonin, which has been obtained in pearly crystals, having abitter, acrid taste, or in white powder. It is soluble in water and inalcohol, but insoluble in ether. Medicinal Uses.—This drug is a drastic cathartic, and is used incases in which jalap would be also indicated. It was at one time usedquite frequently, then became entirely obsolete, and only of late yearshas come into use again. It has been used in dropsies, chronic constipation, hypochondriasis,epilepsy, mania, etc. It is said to have acted well in paralysis of the rectum and is sometimes emetic in large doses, but this effect is the bruised fresh root has been used in chronic skin dis-eases. Dose of the powder, to 4 grams (10 to 60 grains).. FlG. 117.—White Bryony, naturalsize. UNITED STATES PHARMACOPOEIA, 241 BKYOKLE EXTEACTUM Extract of Bryonia. To make five hundred cubic centimeters (or its equivalent—17 U. ), use five hundred grams (or its equivalent—17f avoirdupoisounces) of the drug, in No. 60 powder. As a menstruum use alcohol. Dose.— to 4 cubic centimeters (10 to 60 minims). BRYONIA TINCTURA; IT. of Bryonia. Moisten one hundred grams (3 ounces 230 grains) recently driedbryonia, in No. 40 powder, with one hundred grams (4^- fluidounces) ofalcohol, and macerate twenty-four hours ; then pack firmly in a cylin-drical percolator, and percolate until one thousand grams (35 ounces120 grains) tincture has been received, using alcohol in sufficient quan-tity. Dose.—Five to twenty-five cubic centimeters (1 to 6 fluidrachms),beginning with the smaller doses. Buchu; U. S. Buchu. Buchu Folia, Barosmce Folia—Buckublatter, Bucco
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