360 BOTANICAL GAZETTE [DECEMBER 
Mi T whe | z | 
Uy Se i ee ee ee 
! 
4 
5 
i 
i 
2 
; = 
4 > 
5 < 
6 
1 
1 
2 
3 
4 
3 
§ 
7 
! 
2 
3 
4 
] 
6 
T 
lho 
2 
‘ = 
; a 
6 
7 
' 
2 
3 
4 
5 
6 
r 
' 
2 
3 
4 
5 
6 
? 
i) 
2 = 
i = 
i =< 
1 
—— 
2 
}3 
3 
16 
}7 
' 
2 
3 
4 
5 
j 
' 
2 > 
3 S 
‘ és 
g Ss 
OO 
1 
j 
4 
4 
6 
U 
1 
2 
3 
A. 
5 
= 
J nm 
He : 
5 = 
6 
7 —— 
| BG ak TE, Gs Ec Ra 
Frc. 4.—Relative xerophytism (ratio of evaporation rate to growth water) at the 
seven stations; a zero at base of column signifies data lacking for the period. 
