1. fla'va

(N.F.). yellow wash, similar to L hydrargyri flava (Br.).!• hydrar'gyri fla'va (Br.), 1. flava (N.P.), yellow mercurial lotion, yellow wash; corrosive sublimate 20 grains, lime water 10 fluldoimces an application for venereal sores; the N.P. preparation is slightly weaker than this. 1. hydrar'gyri ni'gra (Br.), 1. nigra (N.F.), black mercurial lotion, black wash; calomel 30 grains, glycerin iluldotmce, mucilage of tragacanth i^ fluid ounces, lime water 10 fluldounces; an application for venereal sores; the N.F. preparation contains no glycerin or tragacanth. 1. ni'gra (N.F.), black wash, calomel 8 75, water 15, solution of calcium hydroxide to. make 1000; see 1. hydrargyri nigra (Br.). 1. plum'bi et o'pii (N.F.), lead and opium wash; lead acetate i.75, tincture of opium, 3. 5, water 100; applied to sprains and bruises. I. ru'bra, a solution of zinc sulphate in diluted compound tincture of lavender.