\-0L. IV 



MINNESOTA BOTANICAL STUDIES 



PART HI 







Fig. 1. Sandhills with a fairly uniform cover of spear-grass, Stipa coiiiata. There is 

 considerable surface litter and humus here although the sandy nature of the 

 soil is shown alonsf the road. 





Fig. 2. The sagebrush. Artemisia filifolia, is common in a mixture of types toward the 

 western limits of the sandhill region. 



PLATE XXXV 



