"To one whose childhood was passed in the country some fifty years ago the name and sight of this plant [white boneset] is fraught with unpleasant memories. The attic or woodshed was hung with bunches ...

Boneset. It sounds like a potion from the wizarding vocabulary of Harry Potter. Actually, I think that J.K. Rowling included a medicine called Skelegrow in one of her famous books. However, boneset ...