Myrrh

(mur). The resinous substance obtained from Commiphora myrrh a, indigenous to Arabia. In small doses it is a stimulant, in large doses an irritant, to the gastro-intestinal membrane. It is valuable in amenorrhea and bronchial catarrl'. makes an excellent mouth-wash and lotion for spongy gums. It is used chiefly in dentifrices. Dose gr. M., Tinct., 20 per cent. Dose n.