222 



EXPERIMENT STATION. 



[Jan. 



Set numbers. 



Time of exposure, 

 Length of exposure, . 

 Temperature of house (degrees). 

 Humidity before (degrees), 

 Humidity after (degrees), 



Liviugston, 



Lorillard 



Freedom, 



7.30 



2h, 

 C2 

 G2 

 76 



I 



I 



I 



Experiment XI. 

 Night Exposures, Decemher 16. 

 Fumigation with .02 gram KCN per cubic foot ; plants six 

 Avceks old; honse humidity, G3° ; amount of snnlight that day, 

 four hours; plants watered at 9.30 a.m.^ dry when treated, 

 except that half of the plants of each variety were sprinkled 

 just before the treatment; first set treated at dusk, other sets 

 treated in starlight ; conclusions drawn after three weeks 



Set Numbers. 



Time of exposure, . 

 Lengtli of exposure, 

 Temperature of house (degrees), 

 Livingston normal, . 

 Livingston sprinkled, 

 Lorillard normal, 

 Lorillard sprinkled. 

 Freedom normal. 

 Freedom sprinkled, . 



4.30 

 10 m. 

 68 

 N 

 SI 

 N 

 K 

 SI 

 SI 



5.40 

 20 m. 

 60 

 N 

 N 

 N 

 N 

 N 

 N 



7.05 

 30 m. 

 65 

 C 

 C 



c 

 c 

 c 

 c 



8.20 



45 m. 



06 

 151 

 Bl 

 BI 



K 



K 



K 



it. 50 

 Ih. 

 64 

 lU 

 BI 

 IC 

 IC 

 K 

 K 



The s])riiikl('(l ])lants developed spots on the leaves where 

 the dro])s of water stood diii'ing the treatment. 



