ACTION AND USES: Demulcent and emollient; without advantages over other drugs of the same kind, such as chondrus, tragacanth, slippery elm and flaxseed. _Species Pectorales (Spec. Pect.), Pectoral Species, N.F._ (Species ad Infusum Pectorale, Breast Tea).--Althaea, coltsfoot, glycyrrhiza, anise, mullein flowers and orris root. DOSAGE: 4 Gm. or 1 drachm (N.F.). _Syrupus Althaeae (Syr. Althae.), Syrup of Althaea, N.F._--Althaea (5%) with alcohol, glycerin and sugar in water. Absolute alcohol content about 2.5 per cent. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.). =Althaeae Folia (Althae. Fol.), Althaea Leaves, N.F.= (Marsh Mallow Leaves). ACTION AND USES: Domestic demulcent and emollient; inferior for internal use to gums and for poultices to flaxseed. DOSAGE: 2 Gm. or 30 grains (N.F.). _Species Emollientes (Spec. Emoll.), Emollient Species, N.F._ (Emollient Cataplasm).--Althaea leaves, mallow leaves, melilot, matricaria and flaxseed. Emollient poultice is made by adding a suitable quantity of hot water to this powder. =*Alumen (Alum.), Alum, U.S.P.=--AlNH{4}(SO{4}){2} + 12H{2}O or AlK(SO{4}){2} + 12H{2}O. (The physician may indicate whether ammonium alum or potassium alum is desired.) Colorless crystals or white powder, odorless and possessing a strongly astringent taste. Ammonium alum is somewhat less soluble in water than is potassium alum, which is freely soluble in water (1:7.2); both are insoluble in alcohol. ACTION AND USES: Astringent, styptic and hemostatic. Seldom administered internally. DOSAGE: As a gargle, in from 1 to 5 per cent. solution (somewhat injurious to the teeth); as an injection in gonorrhea, in from 0.5 to 1 per cent. solution; as a lotion in skin diseases, in 1 per cent. solution. _*Alumen Exsiccatum (Alum. Exsic.), Exsiccated Alum, U.S.P._ (Alumen Ustum, Dried Alum, Burnt Alum).--Anhydrous AlNH{4}(SO{4}){2} or anhydrous AlK(SO{4}){2}. (The composition of the desired salt may be indicated.) White, odorless powder, with an astringent taste. Very slowly soluble in water (1:14); insoluble in alcohol. ACTION AND USES: Used externally like alum, being more escharotic. =*Alumini Acetas, Aluminum Acetate.=--Normal aluminum acetate, Al(C{2}H{3}O{2}){3}. _Liquor Alumini Acetatis (Liq. Alumin. Acet.), Solution of Aluminum Acetate, N.F._ (Liquor Burowii, Burow's Solution).--Contains normal aluminum acetate, Al(C{2}H{3}O{2}){3} (about 5%). USES: Popular astringent wash. DOSAGE: Usually diluted with 15 parts of water =Alumini Acetico-Tartras, Aluminum Acetico-Tartrate.= _Liquor Alumini Acetico-Tartratis (Liq. Alumin. Acet.-Tart.), Solution of Aluminum Acetico-Tartrate, N.F._--A solution of aluminum acetate and tartrate obtained by dissolving aluminum hydroxide in a mixture of acetic and tartaric acids. =Alumini Chloridum (Alum. Chlor.), Aluminum Chloride, N.F.=--AlCl{3} + 6H{2}O.