222 



EXPERIMENT STATION. 



[Jan. 



Set numbers. 



3 



Time of exposure, 

 Length of exposure, . 

 Temperature of house (degrees), 

 Humidity before (degrees), 

 Humidity after (degrees), 



Livingston, 



Lorillard 



Freedom 



7.30 



2h. 

 62 

 62 

 76 



I 



I 



I 



Experiment XI. 



Night Exposures, December 16. 



Eiiniigation with .02 gram KCN per cubic foot ; plants six 

 weeks old; house humidity, 63°; amount of sunlight that day. 

 four hours; plants watered at 0.30 a.m., dry when treated, 

 except that half of the plants of each variety were sprinkled 

 just before the treatment ; first set treated at dusk, other sets 

 treated in starlight ; conclusions drawn after three weeks 



