PHARUS, in botany: A genus of the hexandria order, belonging to the monocotyls class of plants; and in the natural method ranking under the fourth order, Gramina. The male calyx is a bivalved uniflorous glume; the corolla, a bivalved glume; the female calyx the same with the male; the corolla an uniflorous, long, and wrapping glume. There is but one seed.