PLATE V 



The Effect of Soil Texture upon Early Development 



Fig. i. The effect of soil texture upon the development of Pinus pon- 

 derosa (S. D.J. Ten plants each (i) grown in loam, (2) grown in sand. 

 (3) grown in gravel. ]A natural size. 



Fig. 2. The effect of soil texture upon the development of Kobinia pseit- 

 dacacia. Three plants each (1) grown in loam, (2) grown in sand, (3) 

 in gravel. V:-. natural size. 



