EXPOSED WATER AND FRESHLY FALLEN RAIN 163 



May 2, 9:30 A. M. 



On May 4, the average height of the seedlings in the 1,800,000 

 culture was 77.00 mm. ; of the 1,500,000 culture, 75.68 mm. ; of 

 the 10,000 culture 74.81 mm. ; and of the control, 69.50 mm. On 

 May 5 the average heights were as follows : 



92.75 mm. ; 93.81 mm. ; 90.87 mm. ; 85.28 mm. 



* Discarded and not'added in. 



