224 



EXPERIMENT STATION. 



[Jan. 



Experiment XIV. 

 Night Exposures, December 18. 

 Fumigation with .04 gram l^^CN per cubic foot; plants six 

 weeks old; house humidity, 82°; eight hours of sunlight the 

 day of treatment; plants watered at 8.15 a.m., dry when 

 treated; clear, starlight night during the treatment; set 4 

 fumigated twenty-five minutes, aired and then treated ten 

 minutes longer; conclusions drawn after two and a half weeks. 



Set Numbers. 



2 



Time of exposure, 

 Length of exposure, , 

 Temperature of house (degrees), 

 Livingston, .... 



Lorillard, 



Freedom, 



8.00 

 10 m. 

 68 

 N 



TI 



TI 



9.00 

 1.5 ni. 

 70 



C 

 SI 



c 



10.00 

 20 111. 



G8 



c 

 c 



K 



.5.0.5 

 3.5 m. 



(!8 

 C 



c 



K 



The Freedom plants in sets 3 and 4 were weak and not in 



good condition. 



Experiment XV. 



Night Exposures, January 11. 

 Fumigation with .04 gram KCN per cubic foot; plants nine 

 weeks old ; house humidity, 7o° six hours of sunlight the day 

 of treatment; plants watered at 8 a.m., dry when treated; first 

 three sets treated in dim moonlight, set 4 at dusk; coiiclusions 

 drawn after four days. 



Time of exi'osure, 

 Length of exposure, 

 Tc^mperature of house (degrees), 

 Livingston, .... 



Lorillard, 



Freedom 



Set Numbers. 



7.05 

 20 m. 

 (!5 

 SI 

 SI 

 SI 



8.00 

 ;{0m. 

 (55 

 SI 



sr 



SI 



9.30 

 45 m. 



(;5 



SI 



SI 

 SI 



.5.00 

 1 h. 

 CO 



151 



lU 



HI 



