64 



EXPEIUMENT STATION. 



[Jan. 



Table I. — Showing Effects of Different Light Intensities on tlic Growth 

 of Cucumber Plants and tlieir Susceptibility to Burning bij Fumigatiun 

 with Hydrocyanic Acid Gas. 



Experiment I. — Duration, May 2 to June 6. 

 [Measare.r.ents in centimeters.] 



Note. — No. 1, all leaves killed; No. 2, leaves burned, few killed; Nos. 3, 4 and 5 N, traces 

 of burning. 



Experiment II. — Duration, May 8 to June 13, IDll. 

 (MeLsurcments in centimeters.] 



Note. — No. 1, burned; some leaves killed; Nos. 2 and 3, some burning; Nos. 4 and 5 N 

 slight burning. 



Experiment III. — -Duration, May 22 to Jane 24, 1911. 

 [Measurements in centimeters.) 



Note. — No. 1, burned; No. 2, burned; No. 3, slight burning; No.s. 4 and 5 N, no burning. 



