No. 422.] QUANTITATIVE STUDY OF VARIATION 135 


















































































































































a fs = mt MNSENE LILLI T 
WI ros 
N| — co [4€ [40 — 
a GINERE e s Sr te [Es ES RS [ES SS e ps [s 
— Lip na 
| | po E 
— E Mex 
~ Co| il | 
POP eo -— M ds Ir 
—|— Geo & z 1g 
P |I E - [ 
m ci — Nie — w Sil] 
Sur POOF CFS eS Sl de 
E =|= © gam ca, A 
Oj é wa 
-laella =|! 
— NNN I I1 
m E sum Dmm 
E -— =E N m= S 
— js = 
~~ 
bl nw co EE 
i — = 
eu = = 
— —_ Sea E 
is 
sed 3 uri To - Ur 
ied ennt — — — u 
* 
— — wu 
| = 
| Sls 
pee v 
= co 
= we 2 
gad e 
Fic. 19. — Aster p thoides Muhl. Correlation surface for 658 heads. Rays subject and bracts 
relative. p= .776834 + .007820. 
