BOTANICAL GAZETTE 
[DECEMBER 
432 
TABLE IV 
LossES AND READINGS PER 30 MINUTES 
Tele te F 
Test III ae ee eee :3 
SB) Elei gi el gig} | 3 hs 
br <a ~ = hy ; - “> Bg pag 
Ei UTe Ele al Fl eee 
a ee eee Mee ere 
1st sun expo: .-| 3-45| 3-98] 3.12| 2.9 | 3-7 | 2.2 | 3 34-5| 2-4 | 6.7 
Double aeenabite 
SHAME ues occ 2,88] 3.48| 2.701; 2.6 | 2:6 | 2.2 | 1.71 95.01 5-5 | 3-9 
ad sun exposure.....| 4.35] 4.05] 3.54] 3-3 | 4-5 | 2.7 | 2-95| 38.0] 2-15] 6-5 
TABLE V 
COEFFICIENTS OF CORRECTION 
Test III Brown atmometer Black atmometer 
Physal. | Xanth. | Martyn. | Physal. | Xanth. | Martyn. 
Ist sun exposure ...| 1.07 1.02 1.04 0.85 0.80 0.82 
2d sun exposure....| 1.19 0.91 1.03 0.87 0.67 0.76 
Avelage. 3. oss 1.13 0.97 1.04 0. 86 0.74 0.79 
- White atmometer Integrator 
Physal. Xanth. Martyn. Physal. Xanth Martyn. 
Ist sun exposure...) 1.20 1.14 1.16 0.69 0.65 0.66 
ad sun exposure. . 1.23 0.94 1.07 0.87 0.67 0.76 
ee 
Aves... 1.22 1.04 1.12 0.78 0.66 ahh oe 
a s 
“Solio” paper Wynne paper 
Physal. Xanth Martyn Physal. Xanth Martyn 
Ist sun exposure . . °. 0.41 0.42 0.52 0.50 ae 
2d sun exposure....| 0.60 0.46 0.52 0.59 0.45 ei 
Average... 6... 0.52 0.44 0.47 0.56 0.48 0.5! 
ae 
Black thermometer 
Physal. Xanth. Martyn. 
Ist sun exposure ...| 0.54 0.51 0.52 
2d sun exposure...| 0.70 flies iy 
Average ee Gee Soa 0.62 0.52 0.56 
eee eee aan 
