236 



EXPERIMENT STATION. 



[Jan. 



Experiment XVIL 



Starlight Night Exposures ivith Still Older Plants, May 1. 



Fumigation with .015 gram KGN per cubic foot; plants 

 five weeks old ; amount of sunlight the clay of treatment, 8.7 

 hours ; conclusions drawn after one week. 



Experiment XVIII. 



Starlight Night Exposures vnth Old Plants, May U/. 



Eumigation with .01;") gram IvCN per cuhic foot; ])lants 

 Rovcn weeks old; amount of suidight the day of treat iiiout, 

 1 l.f) hours; conclusions drawn after one week. 



