Figure 31. — An even- 

 topped mountain big 

 sagebrush (A. triden- 

 tata sap. vaseyanaj 

 growing in the Targhee 

 National Forest, Sub- 

 lette Co. , Wyoming. 



Figure 32. — Big sagebrush leaves seen from above. Specimens growing at the Snow Field 

 Station. (A) The whorled terminal leaves of mountain big sagebrush (k. tridentata 

 ssp. vaseyanaj transplanted specimen from Ephraim Canyon, Sanpete Co., Utah. (B) 

 The contrasting nonwhorled appearance of basin big sagebrush (A. tridentata ssp. 

 tridentataj transplanted from Dog Valley, Juab Co., Utah. 



32 



