1910.] 



PUBLIC D(XnTMENT — No. 31. 



221 



Set Numbers. 



Time of exposure. 

 Length of exposure, . 

 Temperature of house (dej^rces), 



Livingston 



Lorillard, 



Freedom 



y.30 



45 Ml. 



Go 



SI 



SI 



SI 



Experiment IX. 



Nigld Exposures, January 9. 



Fiimigation Avith .015 gram KCX per cnhic foot; plants 



eight weeks old; house humidity, 49°; amount of snnlight 



that day, six honrs; plants watered at 8 a.m., dry when treated; 



treatment dnring moonlight ; eonclnsions drawn after one week. 



Set Numbers. 



Time of exposure, 

 Lengtli of exposure, . 

 Temperature of house (degrees), 

 Livingston, .... 



Lorillard 



Freedom, 



5.15 

 30 m. 

 58 

 Sl 

 SI 

 SI 



7.00 

 45 m. 



G8 

 SI 

 SI 

 SI 



8.30 

 1 h. 



65 



C 



C 



G 



ExPEKIMEiSTT X. 



Night Exposures, January 57. 

 Fnmigation with .015 gram KCIST per cubic foot; plants 

 eleven weeks old, rather weak, tall and spindling; amount of 

 snnlight that day, one lionr ; plants watered at 8.80 a.:m,, dry 

 when treated; moonlight during the treatment; coneliisions 

 drawn after four days. 



