R S A C E M. 293 



16. EOS A, Tourn. 



1. Rosa blanda, Ait. 



Hab. California, Oregon, and Washington Territory; from the sea- 

 coast part to the Rocky Mountains. — A variable species, including, 

 if we mistake not, the R. fraxinifolia, R. Woodsii, and also Chamisso 

 and Schlechtendal's R. Califomica. 



2. Rosa gymnocarpa, Nutt. 



Hab. Fertile places near the Cascade Mountains, Oregon ; and at 

 Nisqually, Puget Sound. — A low bush, with neat foliage. It is re- 

 markable for its small, ovate, naked fruit, the calycine segments being 

 deciduous. 



17. A D E N S T M A, Hook. & Am. 



1. Adenostoma fasciculata, Hook & Am. 



Hab. California, near San Francisco ; on hillsides ; very abundant 

 on Mount Palmas. — A shrub from 3 to 5 feet high, with a perfectly 

 upright stem and horizontal branches. Leaves in young plants 3-cleft, 

 or sometimes pinnatifidly cut into 5 or 7 linear segments. 



18. ALCHEMILLA, Tourn. 

 1. Alchemilla arvensis, Scop. 



A. occidentalis & A. cuneifolia, Nutt. in Torr. & Gray, Fl. 1, p. 432. 



Hab. Sterile soils, in prairies near Nisqually, Puget Sound. — Per- 

 haps introduced from Europe. It is, however, not uncommon in 

 various parts of California. 



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