220 



EXPERIMENT STATION. 



[Jan. 



Experiment YIT. 

 Night Exposures, December 15 and March 15. 

 Fumigation with .015 gram KCN per cubic foot; plants six 

 weeks old; house humidity, 8'3° ; dusk during treatment of first 

 set, cloudy during second and third sets, starlight during the 

 last three sets ; plants watered at 8 A.:\r. ; half of each variety 

 sprinkled before treatment, the others dry ; conclusions drawn 

 one week after treatment for set 5, three weeks after treat- 

 ment for the others. 



Set Numbers. 



3 



Time of exposure, 

 Length of exposure, . 

 Temperature of house (degrees), 

 Livingston normal, 

 Livingston sprinliled, 

 Lorillard normal, 

 Lorillard sprinliled, . 

 Freedom normal. 

 Freedom sprinkletl, . 



4.45 

 10 m, 

 65 

 SI 



X 

 SI 



N 

 N 

 N 



5.45 



20 m. 

 65 

 X 

 SI 

 SI 

 SI 

 SI 

 SI 



-.20 

 30 m. 

 64 

 SI 

 SI 

 SI 

 SI 

 SI 

 SI 



8.30 

 45 m. 

 65 

 C 

 C 

 C 

 C 

 C 

 C 



7.30 

 Ih. 



58 



C 



C 



c 

 c 

 c 

 c 



2 1i. 

 G5 

 K 

 K 

 K 

 K 

 K 

 K 



The sprinkled plants showed spots on the leaves where the 

 drops of water stood, as a result of the treatment ; otherwise 

 little difference in the two lots was noticeable. 



Experiment VIII. 

 Night Exposures, January 8. 

 Fumigation with .015 gram KCN per cubic foot; plants 

 eight weeks old; house humidity, 84°; amount of sunlight 

 that day, four hours; ])lants watered at 10 a.m., dry when 

 treated; night cloudy during the treatment; conclusions drawn 

 aft CI- (Hie week. 



