164 



EXPOSED WATER AND FRESHLY FALLEN RAIN 



26 27 28 29 30 1 2 3 4 



T>ay oj month 

 Fig. 3S. Avena sativa. The Water was exposed to Radium Rajs for 24 Hours. 



Oat [Avena) 



The heights of the seedlings were recorded as follows : 

 April 30, 9:30 A. M. 



No. 

 I 



2 



3 



4 



5 

 6 



7 

 8 



RaBr^ 



1,800,000 X 

 23.00 mm. 

 17.00 

 4.00* 

 19.00 

 20.00 

 13.00 

 18.00 

 20.00 



130.00 mm. 

 18.57 i'"'^' 



* Discarded. 



