VOL. IV 



MINNESOTA BOTANICAL STUDIES 



PART III 



Fie- 1. 



A general view of the sandhills in a region of short valleys and "pockets. 

 The vegetation here is bunch-grass association. Over-grazed. 



Fig. 2. The same kind of a region with active blow-outs. The prominent ridge in 

 the foreground is the rim of a large blow-out similar to the one in the back- 

 ground. 



PLATE XXVI 



