Hydrastis

(hi-dras’-tis). Goldenseal, a plant of the order Ranunculacese. The rhizome and roots of H. can a dens is, which contain the alkaloids hydras tin and berberin. It is tonic, antiperiodic, cholagogue, and diuretic, and has been employed in leukorrhea, cystitis, constipation, menorrhagia, gonorrhea, dyspepsia, etc. Dose of the hydras tin of commerce, an impure body, gr. v-x (0.32-0.65); of the alkaloid, gr. i-i (0.008-0.022). H., Ext., Fid. Dose fg -j (2.0-4.0). H., Glyceritum. Dose f 3 -j (2.0-4.0). 318