90 MINNESOTA STUDIES IN PLANT SCIENCE 



Plate X 



I. Follicles of 5". nivalis, showing gland and deep adherent receptacle; II, young 

 carpels; III, dorsal; IV, ventral sides of single carpel; 1, petals; 2, sepals; 3, fila- 

 ments; 4, seeds; 5, glands of the hairs; drawn from Karl Hedbom's collection from 

 the Dovre Fjeld, Norway (UMH). 



V. Immature follicles of S. saximontana ; VI, dorsal and ventral sides of a single 

 carpel ; VII, dorsal side of a young carpel ; 7, petals ; 8, sepals ; 9, stamens ; 10, seeds 

 (the lower much enlarged) ; 11, glands of the hairs; drawn from Sheldon's No. 8536, 

 from the Wallowa Mountains, Oregon (USNH 528321) ; 12, petals; 13, sepal; from a 

 specimen collected by J. H. Sandberg in Kootenai County, Idaho (UMH) ; 14, stamen; 

 IS, gland of hair; 16, bract of inflorescence; drawn from A. and E. Nelson's No. 5917, 

 Yellowstone Park, Wyoming (UMH). 



VIII. Follicles of 5*. occidentalis; drawn from a specimen collected by W. N. 

 Cusick in the Powder River Mountains, Oregon (UMH) ; IX, ventral view of a 

 mature carpel ; X and XI, young carpels ; 17, petals ; 18, sepals ; 19, seeds ; 20, stamens ; 

 21, bracts of the inflorescence ; 22, glands of the hairs ; drawn from Elmer's No. 2646, 

 from the Olympic Mountains, Qallam County, Washington (USNH 401969). 



