242 



EXPERIMENT STATION. 



[Jan. 



Experiment XXIX. 



Cloudy Night Exposures with Stronger Fumigation, May 15, 

 Nov. 12, 1907; May 13, 1908. 

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

 sions drawn after one week. 



Experiment XXX. 



Cloudy Night Exposures ivith Older Plants, April 26. 



Eumigation with .02 gram KCN per cubic foot; plants 

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

 hours; conclusions drawn after one week. 



