Rhamnus

[ram’ ’-nus) [pduvoq, buckthorn]. RHAPHANIA The Rhamnus purshiana, a small tree of the order Rhamnaceae. Its bark (R. purshiana, U. S. P., Rhamni purshiani cortex, B. P.) is commonly known as Cascara sagrada or chittem-bark, and is used as a laxative in habitual constipation. Extractum rhamni purshiana rluidum (U.S. P.), Extractum cascade sagradre liquidum (B. P.). Dose TT\,xvxlv (1.0-3.0). 557