*Jalapa (Jalap.), Jalap, U.S.P.—A root, yielding not less than 7 per cent. of resins.

Action and Uses: Drastic hydragogue cathartic, used especially in dropsies. Preferred to other resinous cathartics, as being rather less irritant.

Dosage: 1 Gm. or 15 grains (U.S.P.).

Extractum Jalapae (Ext. Jalap.), Extract of Jalap, N.F.—An alcoholic extract.

Dosage: 1 Gm. or 15 grains (N.F.).

Fluidextractum Jalapae (Fldext. Jalap.), Fluidextract of Jalap, N.F.—Jalap (100%). Absolute alcohol content about 80 per cent.

Dosage: 1 Cc. or 15 minims (N.F.).

*Pulvis Jalapae Compositus (Pulv. Jalap. Co.), Compound Powder of Jalap, U.S.P. (Pulvis Purgans).—Jalap (35%) and potassium bitartrate (65%).

Uses: Useful hydragogue cathartic.

Dosage: 2 Gm. or 30 grains (U.S.P.).