Turnera Aphrodisiaca. Turnera aphrodisiaca. Damiana. N. O. Turneraceae. Tincture of fresh plant.   Clinical.-Amenorrhoea. Dysmenorrhoea. Fatigue. Impotence. Leucorrhoea. Migraine. Prostate, affections of. Spermatorrhoea. Sterility. Urine, incontinence of.   Characteristics.-Hale has