Tribulus terrestris, Ikshugandha.

An East Indian drug useful in urinary affections, especially dysuria, and in debilitated states of the sexual organs, as expressed in seminal weakness, ready emissions and impoverished semen. Prostatitis, calculous affections and sexual neurasthenia. It meets the autotraumatism of masturbation correcting the emissions and spermatorrhoea. Partial impotence caused by overindulgence of advancing age, or when accompanied by urinary symptoms, incontinence, painful micturition, etc.
Dose.--Ten to twenty drops of the tincture three times daily.

Boericke's Materia Medica, 1901, was written by William Boericke. Excerpt: The Tinctures.