THE AMERICAN NATURALIST. 
[VoL. XXXIX. 
Geographical Distribution of the Salicacee. 













































Old World. New World. 
z & 
Zo 
& z A ; 
31:5 l3 Sr Š 
2i 8$ 515 s| 3 E 
; © k 2|, E|'t E 
d 4 ZI iE. $ hk Roo 3 ie 
m . = ; = i > L-] a = Q = 
Wie. E 3 SL. 2 e €] "x T 
= = E <3 <= & 5 = = 2 9 o 6 
z|^5|o| ST o z|o < 5] ale = z 
Salix Ery 2 73 I 8 84 72 
100 10 84 80 
248 194 80 
Percent 0.410.4}0.4| 9.68 29.43 |0.4|0.4| 322 33.87 |0.4|04| 2.41 | 29.03 
40.32% | 4.03% 33.87% 32.26% 
| 
: 78.22% 32-26% 
Duplications 8.19% 2.19% 
Total 70.03% 29.97% 
Populus | I 6 | | 6 | I 9 
en OEE Nery fag co FRE N 
22 y 
13 10 
Percent 4:54 27-27 27.27 4.54 | 4991 
59.00% 45-45% 
Duplications 2.68% 1.86% 
Total 56.41% 43-5970 
Salicacex 78.88% 33-33% 
Duplications 9-63% 2.58% 
Total 69.25% 30.75% 




