The leaves of an Eastern plant; an active purgative, with a disposition to give some griping pain in its operation. This may be prevented by adding fennel seed (an aromatic) or oil of fennel to it when given.

Fluid extract of senna is a neat and not very unpleasant preparation; with a drop of oil of fennel to each ounce, it is a very good laxative for infants or older children. Fluid extract of spigelia and senna has been mentioned already.

Slippery-Elm Bark has a demulcent property which makes it soothing to an inflamed or irritated part of the body; in erysipelas, for example. It is rather heavy to the stomach for internal use to advantage.