37 1] FLORA OF COLUMBIA AND VICINITY 289 



957. A. prenanthoid.es Muhl. Swamp aster. 

 Infrequent in moist places. 



Massachusetts to Wisconsin; West Virginia to Mis- 

 souri. 



398. ERIGERON L. \_LEPT1L0N Raf.]. Flea- 

 bane. 



958. E. pulchellus Michx. [£. bellidifolius Muhl.]. Rob- 

 in's PLANTAIN. Wild daisy. 



Locally common in thickets and woods. 

 Nova Scotia to Minnesota and South Dakota; Florida 

 to Louisiana. 



959. E. Philadelphicus L. Philadelphia fleabane. 

 Wet rocky banks of streams in shade; common. 

 Throughout North America except the extreme north. 



960. E. annuus (L.) Pers. Sweet scabious. Common 

 fleabane. 



Common in meadows and waste grounds. 

 Nova Scotia to Alaska; Georgia to Missouri: natural- 

 ized in Europe. 



961. E. ramosus (Walt.) B. S. P. \E. sirigosns Muhl.]. 

 Daisy fleabane. 



Common in meadows and fields. 



Nova Scotia to the Northwest Territory; Florida to 

 Texas. 



962. E. Canadensis L. [Z. Canadense (L.) Britton]. 



HORSEWEED. 



Very common in stubble fields and waste places. 



North America, thence spreading throughout the world. 



963. E. divaricatus Michx. [Z. divarkatum (Michx.) 



Raf.]. Low HORSEWEED. 



Barrens; local. 



Michigan to Minnesota and South Dakota; Alabama to 

 Texas. 



