104 WILD FLOWER FAMILIES 
large as the Perfoliate species. A surer char- 
acter, however, is found in the fact that in the 
former the under surface of the leaves is 
LARGE-FLOWERED BELLWORT 
pubescent while in the latter it is glabrous or 
glaucous. 
All three of these Bellworts inhabit the same 
situations: they are lovers of moist and shady 
