BoTABiCAL Description. — Tbis is a handsome little tree, usually ftom fifteen, to tweuty feet high; common tliroughout all our forests; conspicu. ous in spring-time by its festoons of large white blossoms, and equally so daring the autumn for its clusters of scarlet berries. In this genus of Cornacse there are about twenty species, of which America has, north of Mexico, eleTen. The flowering Dogwood is the most beautiful and showy plant of ifs genus. It is Coo well known to need description. Os'B'iciNAi. PitEPARATioNS. — Tinctute with strong alcohol from the fresh bark; dilutions. Abalogcbs. — China, (?) Nux vomica. (?)