104 MINNESOTA STUDIES IN PLANT SCIENCE 



Plate XVII 



I. A flower of 5. fragosa; II, follicles; III, ventral; IV, dorsal views of imma- 

 ture follicles; V, ventral views of a very young carpel, showing gland g; 1, petals; 

 2, sepals; 3, filament; 4, seeds, the lowest much enlarged; 5, glands of hairs; drawn 

 from Suksdorf's No. 1427, from Klickitat County, Washington (UMH) ; VI, dorsal; 

 VII, ventral views of mature follicles ; 6, petals ; 7, sepals ; 8, stamen ; 9, glands of 

 hairs; drawn from Sheldon's No. 10109, from the Dalles, Oregon (UMH); VIII, 

 lateral view of a mature ; IX, dorsal view of an immature follicle ; 10, a bract of the 

 inflorescence; drawn from Elmer's No. 139, Almota, Whitman County, Washington 

 (UMH). 



X. A flower of 5". napensis; XI, young carpels ; XII, dorsal view of an immature 

 follicle; XIII, ventral view of same; 11, a filament; 12, glands of the hairs; drawn 

 from Hall and Chandler's No. 386, from the region of Dinky Creek, Fresno County, 

 California (UMH). 



XIV. Immature follicles of 5". laevicarpa; XV, ventral; XVI, dorsal views of a 

 follicle; 13, petals; 14, sepals; 15, glands of hairs; drawn from a specimen collected 

 by William Moody at Friday Harbor, Washington, University of Washington Her- 

 barium. 



