Boneset

or Thoroughwort, a stout, hairy, strong-scented herb. A member of the composite family closely related to Joe Pye weed. Boneset is a flat-topped plant about two feet high, with white flowers. It grows in moist meadows, copse edges, or old pastures and may be known by the lanceolate, warty, finely-toothed opposite leaves, so united at the base that they seem like one leaf with the stalk of the plant growing up through the middle of it. A bunch of dried boneset for an all around spring medicine used to hang in every well ordered attic. Boneset was in evidence if occasion arose at any time; but regularly in March or April it was customary to steep a jar full of the bitter stuff, of which each member of the family, well or ill, was invited, exhorted, urged, and required to partake freely "to clear his blood." See Pennyroyal; Medicine