​MARE's-TAIL, the Common, or Hippuris vulgaris, L. an indigenous perennial plant, growing in ditches and stagnant waters; it flowers in the month of May.

This weakly astringent vegetable is eaten by goats, but refused by cows, sheep, horses, and swine.—Its rough stalks are employed by cabinet-makers and turners, for polishing wood, bones, brass, &c.