VOL. IV 



MINNESOTA BOTANICAL STUDIES 



PART III 





Fig. 1. The Yucca in fruit. In over-grazed areas all of the flowers of this 

 species are eaten by stock. 



■"56-^, 



!;?^ „ T 



, "SVC. 



•■■^^.s* 



fi 1 ■«»! X -^ -% aP-i 3:^rt^ « 1 --I- ' 'W- 



.-•safii i. *!*. 



Fig. 2. Ceanothns ovatus piihesccns in characteristic distribution over the bunch- 

 grass uplands. 



PLATE XXVIII 



