Extract of Ag′aric. Syn. Extractum agarici, L. Prep. (P. Cod.) From the infusion of white agaric (Polyporus officinalis) prepared with cold water. Purgative.—Dose, 1 to 4 gr.

Extract of Alcorno′co. Syn. Extractum alcornocæ, L. Prep. From a decoction of alcornoco bark (South American). Astringent and tonic.—Dose, 5 to 20 gr. in phthisis, &c.

Extract of Al′oes. Syn. Purified aloes, Washed a.; Extractum aloës Barbadensis (B. P.), Extractum aloës (Ph. L.), E. a. aquosum (Ph. D.), L. Prep. 1. (B. P.) Barbadoes aloes, in small pieces, 1 lb.; treated with 1 gall. of boiling water for 12 hours, and the clear liquid evaporated.—Dose, 1 to 3 gr. B. P. 2 to 6 gr.

2. (B. P.) Socotrine aloes, 1 lb., treated with 1 gall. of boiling water for 12 hours, and the clear liquid evaporated to dryness.

3. (Ph. D.) Aloes (hepatic), 4 oz.; water, 1 quart; boil till dissolved; when cold, decant the clear liquid, and evaporate as before.

4. (Ph. Bor. 1847.) By macerating powdered aloes in cold water for 48 hours, with frequent agitation, and then evaporating in a water bath at a temperature not exceeding 150° to 165° Fahr., until a pilular consistence is attained.

Obs. The second is the form commonly adopted in the laboratory. When made with the juice of borage, burgloss, &c., it forms the old ‘ALOES INSUCCATA,’—Dose, 5 to 15 gr. See Aloes and Extract of Barbadoes aloes.

Extract of Aloes, prepared with Sulphuric Acid. Syn. Extractum aloës acido sulfurico correctum (Germ. Ph.). Prep. Dissolve extract of aloes, 8 ounces, in distilled water 32 ounces, then gradually add sulphuric acid, 1 oz. (by weight), and evaporate to a dry extract.

Extract of Anem′one. See Extract of Pasque Flower.

Extract of Angel′ica. Syn. Extractum