Dec. 18,1916 Influence of Bordeaux Mixture on Transpiration 
533 
Table I. —Effect of Bordeaux mixture on the rates of transpiration of abscised leaves for 
periods before and after treatment 
PERIODS BEFORE TREATMENT 
Transpiration quantities. 
Ratio 
A: B. 
Series A. 
Series B (control). 
Leaf 1. 
Leaf 2. 
Leaf 3. 
Leaf 1. 
Leaf 2. 
Leaf 3. 
Gm. 
Gm . 
Gm. 
Gm. 
Gm. 
Gm. 
} 6.40 
3* 60 
2.60 
i- 30 
4-50 
6.20 
1.05 
} 1-40 
2.40 
4.00 
2. 70 
2. 70 
4.60 
•?*, 
} i- 70 
4.20 
3-50 
2.80 
4. 80 
5-90 
. 70 
9 - 50 
10. 20 
10.10 
6. 80 
12.00 
16. 70 
. 84 
| 10. 90 
8.20 
1. 50 
9 - 50 
5* 80 
7.90 
.89 
} 4-70 
4. 20 
2. 20 
4. 80 
4.10 
4.60 
•85 
15. 60 
12.40 
3 - 70 
14.30 
9.90 
12. 50 
.86 
} .os 
• 14 
.18 
. 08 
■43 
. 21 
• 56 
} .07 
. 14 
. 21 
•13 
.18 
. 20 
.82 
• 15 
.28 
•39 
. 21 
. 61 
.41 
.67 
} - 
• 27 
• 23 
•23 
•45 
•25 
• 72 
} -07 
. 20 
. 21 
■ 19 
• 3 i 
.27 
.62 
.24 
•47 
•44 
.42 
. 76 
• 52 
.68 
} - 
• 25 
. 10 
•30 
•17 
• 72 
} .16 
•33 
. 21 
■ 27 
. 20 
• 72 
•33 
•58 
•31 
• 57 
•37 
. 72 
} ' 30 
.28 
•30 
•33 
■ 29 
. 21 
1. 06 
} - * 2 3 * * * * * * * * * * * * * * * * * * * * * 2S 
. 20 
•25 
. 20 
. 20 
.14 
1. 29 
•SS 
.48 
• 55 
•53 
■49 
•35 
i -15 
} *04 
.07 
.08 
. 12 
. 10 
•05 
• 73 
. 08 
•05 
•05 
.18 
. 10 
1 .67 
1 
• 13 
• 15 
■ 13 
• 17 
.28 
1 -5 
| .68 
} 09 
• 13 
. 10 
• 13 
. 10 
.07 
!' ■ 
! 1.06 
} ■« 
• 15 
• 13 
• 15 
. 10 
.14 
1 
| 1.00 
. 20 
.28 
• 23 
.28 
. 20 
| .21 
| 1.02 
} .66 
.48 
.92 
1.03 
• 27 
•44 
j 
j 1.18 
} .45 
.48 
1.09 
■ 75 
■ 25 
•39 
j i -45 
1.11 
.96 
2. 01 
1. 78 
•52 
| .80 
i- 3 i 
Plant and period. 
Ricinus communis: 
Feb. 1, 8.20 a.m. 
t, 3.30 p.m. 
2,10.00 a. m. 
2, 6.00 p.m. 
'* 3, 8.30 a.m. 
3, 4.00 p.m. 
Total. 
Datura metaloides: 
Mar. 16, 4.00 p.m. 
17, 1.25 p.m. 
17, 1.25 p.m. 
18,11.30 a. m. 
Total. 
Phaseolus vulgaris: 
Mar. 22, 8.50 a.m. 
22,10.40 a. m, 
22,10.40 a. m. 
22, 12.40 p. m. 
Total. 
Beta cyela: 
Mar. 22, 9.45 a.m. 
22,10.35 a. *** ■ 
22, 10.35 a. m. 
22, 1.35 p.m. 
Total. 
Raphanus sativus: 
Mar. 22, 9.10a.m. 
22, 11.10a. m. 
22, 11.10 a. m. 
22, 12.10 p.m. 
Total. 
Caladium sp. (small variety): 
Mar. 22, 9.05 a. m. 
22, 10.55 a. m. 
22, 10.55 a. m. 
22, 12.55 p.m. 
Total. 
Hibiscus cardinalis: 
Mar. 22, 9.30 a.m. 
22, 11.20 a. m. 
22,11.20 a. m. 
22, 1.25 p.m. 
Total. 
Clerodendron balfouri: 
Mar. 22, 8.35 a.m. 
22.10.30 a. m. 
22.10.30 a. m. 
22, 12.30 p. m. 
Total. 
Datura metaloides: 
Mar. 22, 8.15 a. m. 
22,10.15 a. m. 
22, 10.15 a. m. 
22, 12,10 p. m. 
Total 
