Plate XIX. 
nS 
5^ 
ijivdljo s^odLj Ou 
VQ 
N «■ 
CM 
Vs ^ 
*0 . Cb 
^ 0- 
C3\ 
CM ^ 
\ 
CM 
> 
'be 
nS 
K 
\ 
V. 
\ 
^>0 
\ 
NO 
CM 
CM 
X3 
\ 
CM 
<M 
NO 
vS 
Cvl 
'O C^ 
LfOOd 1^0 9 f 03 if 'OU IOJ.OJ_ 
^ 1 
CM jr 
CM 
CM 
*2 
-5 
U 
2 S 
•<: s: 
N. ti '' 
i: 
s2 
^ >2 
\ 
K 
CvJ 
K 
\ 
\ 
K 
'N. 
CM 
'bo 
K. 
vS 
CM 
S 
K 
bo 
'M 
Pig. 2. AchUlea millefolium, Castle Rock, Nez Perces Trail, Montana and pjQ, 1. Variability curves for mz??e/oZmw, diiferent localities. 
