VOL. IV 



MINNESOTA BOTANICAL STUDIES 



PART III 



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Fig. L The woodland formation along the Middle Loup River in Thomas 

 County. The trees here are mostly green ash, Fraxinus lanceolata. 



Fig. 2. Belts of vegetation along the Middle Loup. In the foreground a belt 

 of short-grass with buckbrush ; then a belt of green ash with some 

 Primus melanocarpa; then Salix humilis, and bunch-grasses on the 

 hilltop. 



PLATE XXXVI 



