1904.] 



PUBLIC DOCUMENT— No. 33. 



19 



Table IV. — Showing the Effect of Current Electricity 7ipo7i the Growth 

 of Radishes (Eaj^hanns sativus L.). Normal Plants taken as the 

 Standard at 100. 



[Duration of experiment, 38 days.] 



Per Cent. 

 Total average weight, in grams : — Normal. Treated, gained. 



Of roots 3.09 2.93 1 5.50 



Of tops 2.74 4.17 52.19 



Of whole plant 5.83 7.10 21.78 



1 Loss. 



Table V. — Shoumig the Effect of Current Electricity ujion the Growth 

 of Radishes (Raphaniis satiims L.). Normal Plants taken as the 

 Standard at 100. 



[Duration of experiment, 40 days.] 



1 Loss. 



Per Cent. 

 Total average weight, in grams:— Normal. Treated, gained. 



Of roots, 3.29 3.78 14.86 



Of tops 4.02 4.03 .02 



Of whole plant 7.31 7.81 6.84 



The experiments shown in tables III., IV. and V. fol- 

 lowed one another in succession, and were conducted in a 



