Odontitis1944 is a sort of hay-grass,1945 which throws out from a single root numerous, small, jointed stems, of a triangular form and of a swarthy hue. At the joints there are small leaves, somewhat longer than those of the polygonos;1946 and in the axils formed by these leaves is the seed, similar to barley in appearance. It has a purple, diminutive flower, and is found growing in meadows.1947 A handful of the stems, boiled in astringent wine, is used for the cure of tooth-ache,1948 the decoction being retained for some time in the mouth.