composite. 343 



4. Erigeron Philadelphicum, Linn. 



Hab. Washington Territory, between Spokane and Fort Colville. 

 Extends through California. 



5. Erigeron speciosum, DC. 



Hab. Nisqually, Spipen River, and elsewhere ; Oregon and Wash- 

 ington Territory. 



6. Erigeron glaucum, Ker. 



Hab. San Francisco, California; on the seashore. — This is certainly 

 the Woodvillcea calendulacea of De Candolle, founded on specimens 

 from which the violet color of the rays had been discharged. 



7. Erigeron pumilum, Nutt. 



Hab. Between Spipen River and the north fork of the Columbia. 

 Somewhat farther west than before recorded. 



8. Erigeron concinnum, Torr. & Gray. 



Hab. North fork of the Columbia River. Farther northwest than 

 before known. 



9. Erigeron strigosum, Muld. 



Hab. Nisqually, Washington Territory.— A slender and panicu- 

 lately branched form of the species. 



10. Erigeron cortmbosum, Nutt. 



Hab. On the Kooskooskee, &c. : in two forms, one approaching 

 E. decumbens, which probably is a form of E. foliosum. 



