Gossypium herbaceum. Auburn, Ala., Oct. 13, 1911. 
Lioyp: LEAF WATER IN GOSSYPIUM 
TABLE VIII 
Dry weight and weight 
of water per 100 sq. cm. of leaf at the close of 0.83 inch precipitation during the © 
preceding 48 hours. 
Series 10, material taken by a leaf punch from alternate sides of the same leaves ° 
on ten plants, not more than three circles being taken at one time from a given leaf. 
aoe leaves (second an taken near the top of plant; series 11, young leaves 
of the same kind select rial 
ise as in (1) above ete old leaves near the top of the plants. 
indiscriminately from ‘“‘lot 2, 1911 
"s series 12, mate 
6.30 Ir.00 15.00 
Series | 
Dry wt Water Dry wt Water Dry wt Water 
10 0.46 1.58 0.53 1.48 0.56 I.51 
II 0.45 at 0.47 1.43 0.49 1.36 
12 0.70 1.76 0.68 1.81 0.70 1.69 
Ave... 0.55 1.63 0.56 1.57 0.58 1.52 
TABLE IX 
Gossypium herbaceum. Auburn, Ala., Sept. 16-17, sae Average transverse 
dimensions of stomata of the upper and lower sides of the 
ments are given in parentheses. 
xtreme measure- 
TABLE X 
herbaceum. Auburn, Ala., cia 30, 1ord. 
Ax 
Hour diameter, micra 
0.7 (4) 
6 é 
; 0.6 (3) 
“~ 0.2 (2) 
0.2 (3 
22 0 (3 
re) : 
oO(1 
sie o(1 
‘ o (3) 
Meee 2", 
Gossypium 
in field plants. Averages in bold face 
00 
6 = = 
oo 
6.20 o = 
oo 
0-2 0 
6.30 o-3" ° (0.9) 
oO 
ssn o-2” aay oat (0.6) 
0-4 = 
6. bik. 3 
55 o-4" (2) 
Hour a 
‘ 0 (2) 
: 0.5 os 
0.5 (1 
: 1.0 (1) 
8 1.5 (5) 
1.2 (4) 
is 1.5 (5) 
¥ 1.5 oo 
2 1.5 (6) 
1.2 (4) 
Stomatal measurements 
