Fig. 1. Anthemis cotula, six miles north of Ames, showing individual Fig. 2. Locality curves for cotula. Figures at the top indicate 
variation. the number of rays, those at the left the number of heads. 
plt^te xvr. 
jv) 
bo 
(X) ^ 
r 
es 
N 
^|o 
3^ 
r\3 
V 
V 
f\) 
V 
^ V 
■ 
CO 
\ 
M) 
5Vi 
V, 
V 
\ 
Co 
Cu 
fNi 
N 
N 
N ' 
Vi 
V 
V 
V 
Co 
V 
V 
V 
IV5 
[Vo 
N 
M 
Co 
N 
V 
■'v 
GN 
v. 
S. 
V 
N 
N) 
V 
IND 
“v. 
Lo 
V 
•v. 
No 
N> 
Vi) ^ u fv^ Nf ^ ^ ^ 0^^ O 
yoUcLl yva. he€LJs ^iri' e-a.oh 
