Thalictrum purpurascens, spec. nov.

8. Thalictrum foliis tripartitis, caule foliis duplo altiore, floribus cernuis.

Habitat in Canada.? ♃

Habitus Thalictri minoris, at vix pedalis evadit, ubi illa tripedalis. Calyces purpurascentes, staminibus luteis. Caulis etjam purpurascens.