Rosa Canina.

Dog-rose. N. O. Rosaceae. Tincture of the hairy excrescence of insect origin called Cynosbati. Tincture of ripe fruits.

Clinical.-Bladder, affections of. Dysuria.

Characteristics.-Hips are used for making the very pleasant Confection of Roses used in general medicine as a basis for pills and electuaries. Cynosbati has been used in ancient times as a remedy in urinary difficulties. Burnett has confirmed this to some extent. A proving made by himself only evoked a somewhat increased flow of urine and a little heat in the urethra.