Groundsel, the Common, or Senecio vulgaris, L. an indigenous plant, growing on cultivated grounds, rubbish, and in court-yards ; it flowers from April to September. A strong infusion of this weed excites vomiting ; the bruised leaves afford a refrigerant and healing application to boils. - Its seeds are very agreeable to goldfinches and linnets confined in cages. - Cows do not relish this plant: it is, however, eaten by goats and swine, but refused by horses and sheep.

There is another useful species of the groundsel, the Senecio Jacoboea; for which we refer to Rao-wort.