92 MINNESOTA STUDIES IN PLANT SCIENCE 



Plate XI 



Section Chionophila, I, follicles of 5". rhomboidea ; II, ventral view of a follicle 

 of same; 1, petals; 2, sepals; 3, stamen; 4, hairs and their glands; S, bract of the 

 inflorescence; drawn from J. W. Blankinship's No, 183, from Flathead Pass, Montana 

 (MBG 84114); III, dorsal; IV, ventral views of carpels of another specimen of 

 Blankinship's No. 183; 6, petals; 7, sepals; 8, stamen; 9, hairs and their glands; from 

 Blankinship's No. 183 (MBG 84114) ; 10, a type of gland commonly found on the 

 hairs of 5". rhomboidea. 



V. A flower of S. hieracifoUa; drawn from Dr. Wm. Trelease's No. 4035, from 

 HaU Island, Alaska (MBG 83975) ; VI, follicles; VII, ventral view of a follicle; 11, 

 petals ; 12, sepals ; 13, seeds ; 14, glands of hairs ; drawn from Jas. M. Macoun's No. 

 55, from St. Matthew Island, Bering Sea (MBG 83978). 



VIII. Follicles of S. franciscana; IX, ventral; X, lateral views of a single 

 follicle; 15 and 16, types of petals occurring in S. franciscana; 17, receptacle and 

 calyx; 18, seed; 19, hairs and their glands; drawn from F. H. Knowlton's No. 127, 

 from the San Francisco Mountains, Arizona (USNH 258261). 



