t 
& 
it 
V 
La 
SCALE 
Kb 
5oSo B z. 
B, Large mountain brome L nta go tweedxji) . 
Ch, Lamb's-quarter (Chenoi Td (SopJiia incisa). 
H, Mountain squirrel tail ( t violet {viola u n g Ua efoUa), 
112655°— 19. (To face page 61.) 
