PLA.TE XX. 
t 
4- 
No. 
S' & 
TayS. 
4 
No of 
S' (o 
rays. 
7 
No.! 
IZ 
7 
I4f 
/ 
zs 
z 
zs 
z 
7 
S/ 
S 
/ 
J 
7 
4 
/c,N 
3 
r 
3 
A 
II 
z 
-2 
4- 
r 
_IL 
4 
--Jr 
// ^ 
S' 
(Ll 
^7 % 
3S 
4 
/ 
JU 
4S % 
(o 
/a 
s& 
/ 
7,7 < 
7 
A 
4 
Cb 
>4 
S' 
'b 
£2 
t 
/ 7 
/ 
Z4 
7 
s:: 
5f ^ 
Z 
3/ 
24 
9 
+2 
33 
2 t /?'?' /i- 
/ 
Z32 
if ZoS 37 
/ 
277 
Total VO 
1(60 
eo 
i 
n 5 urn 
clo/ss 
Total no hearts v5urr? 
in ^ach class 
Fig. 1. Achillea millefolium, Horse Creek, Idaho, 6,000 feet. North Horse Creek 8,000 feet. 
1 -5 
(j 
? / 
? / 
/ / 
2 15 

% k 
n o/ 
6ene 
Local, 
Ho t) 
Tl/ Cl 
ianc^ 
/ri/es 
u/an 
S 
Qn 
1 
1 
Cast. 
7z7fOi 
:H,n, 
oot.l 
7000 ^ 
So 
1 
1 
1 
1 
t 
—M 
Hors 
9 Cn 
ekjT/ 
^onf.( 
S7ooo^ 
1 70 
1 
1 
1 
1 
\ 
1 
1 
1 
1 
i 
t 
t 
1 
1 
1 
1 
10 
J 
\ 
\ 
^j/i 
/! 
\ 
\ 
/ 
j 
\ 
\ 1 
/ 
— 1 
Sevecio 
fri anauU 
uis. 
Lccohfies 
3 
4 
s 
. (o 
7 
d 
10 
// 
/Z 
/3 
Total 
a 
(T 
Casfk T(ocl<(JTIonf( 7000 ff) 
& 
/3 
3Z 
47, 
34 
BL 
; / 
/sr 
7.01722 ± .07n 
1.33 6/ ± .OS07 
.2200 
N. Horse Creel^,lVont(gooo) 
73 
4q / 
'OZ 
/Os 
' 4 
B 
J 
2 
2 
276 
7.S3‘JI-t.0462 
/./ 392 ± .0327 . 
/A3S 
FIg. 2. Locality curves for Senecio triangularis. 
