BATIS; a genus of the tetrandria order, belonging to the diœcia class of plants, the characters of which are: Of the male, the amentum is four ways imbricated, and both the calyx and corolla are wanting: of the female, the amentum is ovate, the involucrem diphyllous; calyx and corolla wanting; the stigma is bilobate and sessile; the berries condunate and four-seeded. There is but one species, the mantima, a native of Jamaica.