PLATE XXIII 



Fig. I. — View of portion of allotment at medium elevation where the destruction of 

 forage seedlings due to grazing and trampling was studied. 



Fig. 2. — Dense stand of smooth wild rje {Elynius glaucus) and short-awned brome- 

 grass {Bromus marginatus) seedlings. These species were fully 4 inches tall by August 

 15 and were invariably grazed by sheep on areai, comparatively free from other 

 vegetation. 



