ACTION AND USES: Believed to act as a cardiac tonic, similar to digitalis, but unreliable. DOSAGE: 0.5 Gm. or 8 grains (N.F.). _Fluidextractum Convallariae Florum (Fldext. Conval. Flor.), Fluidextract of Convallaria Flowers, N.F._ (Fluidextractum Convallariae, N.F. III).--Convallaria flowers (100%). Absolute alcohol content about 55 per cent. DOSAGE: 0.5 Cc. or 8 minims (N.F.). =Convallariae Radix (Convallar. Rad.), Convallaria Root, N.F.= (Lily-of-the-Valley Root).--Rhizome and roots. ACTION AND USES: Same as the flowers. DOSAGE: 0.5 Gm. or 8 grains (N.F.). _Fluidextractum Convallariae Radicis (Fldext. Conval. Rad.), Fluidextract of Convallaria Root, N.F._--Convallaria root (100%). Absolute alcohol content about 60 per cent. DOSAGE: 0.5 Cc. or 8 minims (N.F.). =*Copaiba (Copaib.), Copaiba, U.S.P.= (Balsam of Copaiba, Copaiva).--An oleoresin. Pale yellow or brownish-yellow, viscid liquid, with an aromatic odor and a persistent, bitter, acrid taste. Insoluble in water and partly soluble in alcohol. ACTION AND USES: A mild but disagreeable irritant and diuretic. Used especially in the treatment of gonorrhea, but of doubtful efficiency. The copaiba mixtures as listed below were formerly widely used, but are disagreeable, irrational and usually inefficient. DOSAGE: 1 Cc. or 15 minims (U.S.P.). _Massa Copaibae (Mass. Copaib.), Mass of Copaiba, N.F._ (Solidified Copaiba).--Copaiba solidified by combination with magnesium oxide. DOSAGE: 1 Gm. or 15 grains (N.F.). _Mistura Copaibae (Mist. Copaib.), Copaiba Mixture, N.F._ (Lafayette Mixture).--Copaiba (12.5%), spirit of nitrous ether (12.5%), compound tincture of lavender, solution of potassium hydroxide in syrup and mucilage of acacia. Absolute alcohol content about 20 per cent. DOSAGE: 8 Cc. or 2 fluidrachms (N.F.). _Mistura Copaibae et Opii (Mist. Copaib. et Opii), Mixture of Copaiba and Opium, N.F._ (Chapman's Mixture).--Copaiba (25%), tincture of opium (3.2%), spirit of nitrous ether (25%), and compound tincture of lavender in mucilage of acacia and water. Absolute alcohol content about 29 per cent. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.). =Coptis (Coptis), Coptis, N.F.= (Goldthread).--Plant. ACTION AND USES: Bitter stomachic, possessing no advantage over gentian. DOSAGE: 2 Gm. or 30 grains (N.F.). _Fluidextractum Coptis (Fldext. Copt.), Fluidextract of Coptis, N.F._--Coptis (100%). Absolute alcohol content about 40 per cent. DOSAGE: 2 Cc. or 30 minims (N.F.). =CORDIALES, CORDIALS.=--Cordials are sweetened alcoholic liquids =Coriandrum (Coriand.), Coriander, U.S.P.= (Coriander Seeds). ACTION AND USES: Aromatic and carminative =Cornus (Corn.), Cornus, N.F.= (Dogwood Bark).--Bark of the root. ACTION AND USES: Without definite indications for its use; practically obsolete. DOSAGE: 2 Gm. or 30 grains (N.F.).