Scull-Cap, the Common, or Blue, or Hooded Willow-herb, Scutellaria galericulata, L. a native perennial plant, gowing on the banks of rivers, and the borders of ponds; flowering in the month of July or August. - Its square stem attains the height of two feet: the herb is eaten by cows, sheep and goats ; but is refused by horses and hogs. - CaR-THEUSER, a German writer, informs us, that the whole of this astringent vegetable may be employed for dyeing black, with the addition of green vitriol.