Botanical name: 

Chelone. Chelone glabra L. Snake-head. Turtle-head. Balmony. Shellflower. Chelone, Fr., G.—The leaves of this very common indigenous, perennial, herbaceous plant, of the fam. Scrophulariaceae, have a bitter taste, and are said to be tonic and aperient, with a supposed peculiar action on the liver. The decoction (two ounces of the fresh herb to the pint) may be given in the dose of one or two fluidounces (30-60 mils). Chelonin, an eclectic medicine prepared from chelone, is a brown, bitter powder administered as a tonic laxative in one and two grain doses (0.06-0.12 Gm.).

The Dispensatory of the United States of America, 1918, was edited by Joseph P. Remington, Horatio C. Wood and others.