COMPOSITE. 351 



2. Franseria bipinnatifida, Nutt. 



Hab. Nisqually, Oregon; San Francisco, California. — With smaller, 

 more finely cut, and more canescently hairy leaves than the Oregon 

 plant, but identical with Douglas's California specimens ; apparently 

 also with NuttalFs F. puniila. 



3. Franseria Hookeriana, Nutt. 



Hab. On the Walla- Walla, Washington Territory, &c. — Not yet 

 flowering. 



22. XANTHIUM, Tourn. 

 1. Xanthium strumarium, Linn. 

 Var. Canadense, Torr. & Gray, and var. echinatum, Gray. 



Hab. On the Sacramento, California, both the above-mentioned 

 varieties ; and on the Walla- Walla, Washington Territory, the var. 

 echinatum (X. echinatum, Murray, &c), just like the plant of the 

 Atlantic Coast. 



23. W Y E T H I A, Nutt. 



1. Wyethia angustifolia, Nutt. 



Hab. California, near San Francisco, and on the Sacramento ; in 

 fruit only. 



2. Wyethia amplexicaulis, Nutt. I. c. 



Hab. Washington Territory east of the Cascade Mountains. 



