68 



EXPERIMENT STATION. 



[Jan. 



Experiment II. — Duration, March 12 to April 11, 1912. 

 [Measurements in centimeters.] 



Nors. — No3. 1 and 2, no burning; No. 3, slight burning; Nos. 4, 5 and 6, nearly all leaves 

 burned. 



Experiment III. — Duration, March 12 to A-pril 11, 1912. 



[Measurements in centimeters.] 



Note. — Noa. 1 and 2, no burning; No. 3, .slight burning; Nos. 4, 5 and 6, nearly all leaves 

 burned. 



Summary Table, Experiments II, and III. 



[Measurements in Centimeters.] • 



