or Fox-tail grass, in botany, a genus of the triandra digynia class. There are seven species, viz. the pratensis, or meadow fox-tail grass; the bulbosus, or bulbous fox-tail grass; the geniculatus, or flore fox-tail grass; and the myosurus, or field fox-tail grass; these four grow wild in Britain: the argyritis, the monspelicanus, the panicous, and the hordeiformis, are all natives of France and the southern parts of Europe, except the last, which is a native of India*.