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3j to 5j bruised; and the root is sweet, mucilaginous, emollient,nutritive, and externally anodyne, detersive, and antiseptic, appliedin form of poultice to foul and indolent sores.

-Davidson's Remedy for Cancer is said to consist of powdered hem-lock and arsenic.

Deadly Nightshade. See Belladonna.

De Bkune's Collyrium. Mix Jiij of white wine and rose water,with ^j of the watery extract of aloes.

Decoction of the Woods. See Decoct. Guaic. Comp.

Decoctions are preparations of vegetable medicines by boiling them inwater to extract their virtues. The substances should be bruised orsliced, completely covered with soft water, and filtered while hotthrough linen not too fine. No herb having volatile principlesshould be decocted, as the boiling expels these ; and small quan-tities only should be made, as decoctions soon ferment, and becomesour.

Decoctum Album. P. White Decoction. Take ^ij of calcined harts-horn, ^iij of barley-bread crumbs, Jj of white sugar; simmer forhalf an hour in Oj of water ; strain and add jss of orange-flowerwater, or 51J of good cinnamon water.Medicinally it is emollient in diarrhoeas, catarrhs, &c. Laudanum issometimes added to render it anodyne.

Decoctum Aloes Compositum. L. Compound Decoction of Aloes.Take Jss of extract of liquorice, 3ij of subcarbonate of potass, jjeach of spiked aloes in powder, myrrh in powder, and saffron, §ivcompound tincture of cardamoms, Oj of water. Boil down theliquorice, the subcarbonate of potass, the aloes, the myrrh, and thesaffron, with the water, to Jxij, and strain; then add the compoundtincture of cardamoms. It is improved by keeping.Incompatible with metallic salts, such as acetate of lead, and of am-monia, sulphate of zinc, magnesia, oxymuriate of mercury, tartarizedantimony, muriate of ammonia, alum, lime, borax, and all mineraland strong acids.Medicinally it is an excellent laxative in chlorosis, dyspeptic costive-ness, and hypochondriasis, in doses of 3SS to jij in the morning.

Decoctum Altiite;e Officinalis. E. Decoction of Marsh-mallows.Take Jiv of the roots of marsh-mallows dried and bruised, jij ofraisins stoned, Ovij of water, boil to Ov, and decant. It smells likeboiled turnips, and tastes sweetish.Medicinally it is emollient and nutritive in inflammation of the kidneysand bladder, and anodyne in fomentations.

Decoctum Amarum. P. Bitter Decoction. Take 5J of yellow gen-tian root, Oij of water, boil for a quarter of an hour; add 51J of