g4 MINNESOTA STUDIES IN PLANT SCIENCE 



Plate VII 



I. Immature follicles of S. Allenii; II, dorsal and ventral views of a young carpel, 

 showing gland and shallow receptacle; 1, petals; 2, sepals; 3, stamen; 4, bracts of the 

 inflorescence; 5, gland of hair; drawn from H. D. Langille's No. 37, from Mount 

 Hood, Oregon (USNH 525065). 



III. Immature follicles of 5". Marshallii; IV, young carpels showing gland at base, 

 and dorsal rib; 6, petals; 7, sepals; 8, stamens; 9, hairs and their glands; drawn from 

 Harley P. Chandler's No. 1613, from Marble Mountain, Siskiyou County, California 

 (MBG 83016, UMH). 



V. Follicles of S. Careyana; VI, ventral view of same; VII, dorsal and ventral 

 view of young carpel showing gland and shallow receptacle; 10, petals; 11, sepals; 

 12, filaments; 13, glands of hairs; drawn from John H. Redfield's No. 11721, from 

 Roanoke Mountain, North Carolina (MBG 84285). 



VIII. Follicles of 5. tenncsseensis; IX, dorsal side of an immature follicle show- 

 ing region of the gland; 14, petals; 15, sepals; 16, filament; 17, seed; 18, glands of 

 hairs; drawn from a specimen collected by A. Ruth at Knoxville, Tennessee (MBG 

 84398). 



