Botanical name: 

The bark of the root of Piscidia erythrina.—Jamaica.

Preparation.—Tincture of Piscidia—Jamaica Dogwood.

Therapeutic Action.—It is claimed that the Jamaica Dogwood exerts a marked influence upon the brain, lessening irritation and producing sleep. 1 have had no experience with the drug, but hope it may not prove like many other new remedies, to have its principal action upon the physicians and druggists' pockets.

The American Eclectic Materia Medica and Therapeutics, 1898, was written by John M. Scudder, M.D.