Colocynth is

{kol-o-sin* ’-this) [ko/.okw6ic. colocynth]. Colocynth. The fruit of C. citrullus, from which the seeds and rind have been removed. Its properties are due to a bitter glucosid, colocynth in, C H O.^, the dose of which is gr. £9-\ (0.003-0.013). It is a tonic and astringent purgative, and is used mainly as an ingredient of compound cathartic pills. C Ext., alcoholic. Dose gr. — ij (0.032-0.13 1. C. Ext.. Comp., contains colocynth extract 16, aloes 50, cardamom 6, resin of scammony 14, soap 14, alcohol 10 parts. Dose gr. v-xx (0.32—1.3). C. Pilula. Comp. «B. P.), contains colocynth, aloes, scammony, pota ium sulphate and oil of cloves. Dose gr. v-x 10.32- 0.65). Pilulae Cathaxticae Comp., compound cathartic pills; contain each, comp. e.xt. of colocynth gr. 1.3, abstract jalap gr. j, calomel gr. j, gamboge gr. ^. Dose 1-3 pills. Pilula Colocynth. et Hyoscyam. Dose gr. v-x (0.32-o.c: 200