80 MINNESOTA STUDIES IN PLANT SCIENCE 



Plate V 



Section Calthophylhim. I, mature follicles of S. spicaia; 1, petal; 2, sepals; 3, 

 stamen and filaments ; 4, leaf ; 5, hair ; 6, immature seeds ; II, pistil, showing shape of 

 the young carpel, with broad base ; III, ventral side of young carpel, with adherent 

 receptacle; I, drawn from a specimen collected by Dr. J. M. Coulter at Cape Van- 

 couver (USNH 249391), the others drawn from a specimen collected by W. C. Men- 

 denhall in the Valley of Alatna, Alaska (USNH 377352). 



Section Aulaxis. IV. Flower of S. tnicranthidifolia; V, mature capsule; VI, 

 immature carpels; VII, pistil with swollen gland at base; 7, petals; 8, sepals; 9, 

 stamen and filament; 10, leaf; 11, seeds; 12, a seed much enlarged; 13, hairs and their 

 glands; drawn from Small and Heller's No. 246, from Grandfather Mountain (UMH). 



