42 



Sierra Club Bulletin. 



FIG. 2. DESERT SPIR^A. 



a. Flowering spike, b. Single leaf, showing its bipinnate character and numerous 



leaflets. 



dense terminal clusters (Fig. 2). It occurs between 5,500 and 

 9,500 feet altitude, and grows in or on the edges of rock piles. 

 The writer has collected it about Timosea Peak on the trail 

 from Cottonwood Lake to Owens Lake, and near Kearsarge 

 Mill below Kearsarge Pass. While not rare, it is floristically 

 speaking, a rarity as compared with Chamcebatia foliolosa of 

 the western slope of the Sierra Nevada. 



