Of the barberry family (Berberidaceae), the seeds of the blue cohosh or Caulophyllum thalictroides.
Shown are the orders of berberidaceae, menispermaceae, magnoliaceae, and calycanthaceae. The illustrated…
An illustration of a Mayapple plant. "a, the flower-bud with the bractlets; b, a stamen; c, the pistil;…