i : Tah DCCXLY 
Silva of North America. 
- Hz 
hs 
NE 
“hm 
V 
~ 
— 
AOA, 
> 
Laat 
CL Faaworn del, tlimety seo. 
BETULA OCCIDENTALIS . Hook. 
ARiocreun drew” Lmp. 7 Taneur, Pariv. 
