Mw¥m 



Fig. 15. Showing the coiiditiou wliieh 

 prevails in spring on co]J, undrained 

 soils, — when the water-table is too 

 high. 



^"^^f^j^^^^^A^^ :v<i 



Fig. 16. When the drought comes, 

 the plant is still shallow-rooted, 

 and it siiffers. 



Fig. 17. On well-drained soils, the 

 roots strike downwards. 



Fig IS. When the drought comes, 

 the plant does not suffer. 



