144 THE AMERICAN NATURALIST. [VoL. XXXVI. 




















































































































T 
E 12-801 6 0-8 3-72 3178 3 3 21-73 3-2] 6 4 1 2 3 ] 1 3i 
as 25/26/27128.25130131/32/33134135136137138139170l 11 [u2 |u3| qu ws uel segfsojs salsa sss s7 salse Gd dou 
~ Hd 
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Be l Vii [pat Dif D2 
3 Har 12 hi 12! Hi 1 Hane Oe ay 
BE 23) [i] gata [i 
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Fic. 39. — Aster prenanthoides Muhl. Correlation surface bus 139 "— collected on October 4. 
Rays subject and disk florets relative. P = .353102 + .043050. 

































































































E | HHHH 
Be: 31/32/33] 39/35/3637]38 39 uo [i1 [42 9344 45]u6|47 8/49/5015 | [52153154155 
LIS l IIT || 
aS LH 3-4 |i] 
EE RR l [ eS 
mg iT [21 ]- 12 3[3| | |2 i 
p p l 3|1|1| (HILH 
l- 111[1|2)412/13]2 2 
BE 3|1| |1[3|2|2 2 
M d l Le Rn 2 
ES 2| |3|3|1]9]8[1[2|212|3|2 | 1 l 
Eu iili 2| iji LII. 
ee LI HEn iSieret filet | | 1 
TB Bo iti | felze | T 12/2 
iM; Eo prei nnl 
Id LAIT I 
E E l | 
| HH 
L1 HA m 
Fic. 40. — Aster PESEE Muhl. Correlation surface for 176 "ead case on October 8 
ys subject and disk florets relative. p= 545208 + ; 
