VOL. IV.] Sierra Nevada Plants in Coast Range. 1 7 1 



Mountain which rises steeply from the northeastern shore of the 

 lake is about 4000 feet altitude. Mt. Hanna, often called 

 ' ' Bottle Glass Mountain ' ' from the quantity of obsidian found 

 upon it, is some distance away from the lower end of the Lake, 

 on the western side, and its elevation is considerably less. The 

 plants of the Sierra Nevada found on these mountain tops differ 

 somewhat, in most cases, from those of the original locality, a 

 difference easily to be explained by their isolation and difference 

 of the soil. Micromorphic botanists may indeed insist that the 

 differences between these plants found on the massive granite of 

 the Sierras and those on the many-colored shales of Snow Moun- 

 tain are sufficient to constitute species. 



Ranu7iculus alismcefoliiis var. alismellus Gray. Borders of 

 meadows, Snow Mountain, June. 



Argemone hispida Gray. Summits of Snow Mountain, 

 evidently brought there by the sheep. 



Arabis platysperma Gray. Snow Mountain. 



Vesicaria montana Gray. Snow Mountain. 



Viola blanda Willd. Meadows, Snow Mountain. 



Viola aurea var. veyiosa Wats. Snow Mountain, June. 



Viola Sheltoni Torr. Snow Mountain, June. 



Polygala cormita Kell. Proc. Cal. Acad, i, 61. P. Calif oniica 

 of Bot. Cal. Snow Mountain. 



Silene Menziesii Hook. Snow Mountain. 



Arenaria verna I,, var. hirta Wats. High rocky ridges, Snow 

 Mountain; Yolo Bolo. 



Claytonia Chamissonis Esch. Cold bogs and streamlets, 

 Snow Mountain. 



Spraguea timbellata Torr. Snow Mountain. 



Sidalcea Oregana Nutt. Snow Mountain. The Sierra 

 Nevada form. 



Ccanothus prostratus Benth. On Mt. St. Helena in the form 

 described as C. divergens Parry. On Cobb and Snow Mountains 

 quite as prostrate as in the Sierra Nevada. 



Ceanothus vehciimis Dougl. From Mt. St. Helena, where it 



