340 BOTANICAL GAZETTE [NOVEMBER 
The habitat of the population in question is typical of the species, 
if we may judge from the statements made in the various manuals, all 
of which agree that the characteristic habitat is along margins of 
streams in shady places. This fact will make it easy to find these 
plants growing under essentially the same conditions in other localities, 
and thus facilitate the establishment of place-constants which shall be 
Fic. 4.—The habitat, looking south. 
iton 
; ne 
abitat at Chit 
It will bea 
vib 
, 
properly comparable. The general character ot the h 
will be best understood by a reference to jigs. I, 4; and 5 
: c orary 
once recognized that we have here an example of tempo 
e luxuriance 0 
mesop 
f vegeta 
tic climax characteristic of young ravines, th 
s eee rea, Cleveland, 
ell Co., Carter Co., Lexington. Ouro: Franklin Co., Berea, Canton. 
; jos: -aeE” : 
sti Mensheid, Ww ooster. INDIANA: Hamilton Co. ILLINO a se 
GAN: Allegan Co., Keweenaw Co. Wisconsin: Eau Galle, i es. 
5 0-5 
Sparta. MamrsorA: Mazeppa. Iowa: Fayette Co., Johnson 
Neosho Co 
