242 



EXPERIMENT STATION. 



[Jan. 



Experiment XXIX. 



Cloudy Night Exposures with Stronger Fumigation, May 15, 

 Nov. 12, 1907; May IS, 1908. 

 Fumigation with .02 gram KCN -pev cubic foot; conclu- 

 sions drawai after one week. 



Experiment XXX. 



Cloudy Night Exposures with Older Plants, April 26. 



Fumigation wnth .02 gram KCN per cuLic foot ; plants 

 five weeks old ; amount of sunlight the day of treatment, five 

 hours ; conclusions drawn after one week. 



