36 STUDIES IN THE VEGETATION OF THE STATE 



Eordeum sativum. 



*Decrease. 



Owing to the lower per cent, of water in the plants in Plot 

 II., it is difficult to get accurate comparisons with those of 

 Plot III. and to make definite conclusions from the results. 

 If the non-available water in each case could have been de- 

 termined at the time when the plants of the same species 

 had approximately the same amount of water in their tiss- 

 ues, the comparisons might have been made with a greater 

 degree of accuracy. It certainly can be said that the com- 

 parison of the results indicate that temperatures even 



