THIs herbaceous plant is pretty common in Brazil. Its ramose and cylindrical stems are erect or a little inclined ; the leaves are alternate, sheathed, somewhat lanceolate, and constituting at the extremity of the branches tufts whence arise long pedicles each of which carries from four to six flowers; perianth double, three-leaved, the outer one having sharp, herbaceous divisions, and the inner one being petaloid and blue-colored. Stamens six fertile; a free tri-locular ovary, surmounted by a simple style. We employ the leaves.

First day. -1. Vertigo. Pain in the left side of the chest. The breathing is embarrassed as when one is affected with catarrh.

Second day. Yellowish, copious urine, depositing at the bottom of the vessel an ash-colored, copious sediment. 5. The urine has an acrid smell. Inflammation of the scrotum which is painful and very red. Difficult breathing, sighing as from want of air. The symptoms continue from the third to the fifteenth day. The breathing is very painful. 10. The inflammation of the scrotum decreases since the twelfth day. Whitish discharge from the urethra. Pain when urinating. Thin stream of urine. Diarrhoea. The testicles return by the inguinal ring.