HOFFMANN: FLORA OF BERKSHIRE COUNTY. 341 



COREOPSIS. 



C. TiNCTORiA Nutt. — Occasionally persistent about gardens or on 

 dumps. Pittsfield; Stockbridge. 



CREPIS. Hawk's Beard. 



C. CAPiLLARis (L.) Wallr. — Established in a meadow, Stockbridge. 

 Probably introduced with grass seed. 



ERECHTITES. Fireweed. 



E. hieracifolia (L.) Raf., var. praealta (Raf.) Fernald. — {E. 

 hieracifolia Man. ed. 7 in part; vid. Rhodora, 19: 27, 1917.) 



Recent clearings, particularly after fires, and shaded ledges; com- 

 mon. 



Upper leaves attenuated to base or petioled. In the type the leaves 

 scarcely decrease in size into the inflorescence. 



ERIGERON. FtEABANE. 



E. annuus (L.) Pers. Daisy Fleabane. — Old fields and waste 

 places; common. 



E. canadensis L. Horse-weed. — {Leptilon canadense 111. Fl. 

 ed. 2.) 



Waste places, cultivated ground, old fields and dry hillsides; common. 



E. philadelphicus L. — Borders of swamps and moist woods; 

 common. 



E. pulchellus Michx. Robin's Plantain. — Borders of woods 

 and grassy banks; common. 



E. ramosus (Walt.) BSP. Daisy Fleabane. — Fields and road- 

 sides; O()niinon. 



var. discoideus (Bobbins) BSP. — With the type; frequent. 



var. septentrionalis Fernald & Wiegand. — Fields; frequent. 



Stem and leaves sparingly hispidulous or nearly glabrous instead of 

 cinereous-strigose (vid. Rhodora, 15: 00, 1913). 



EUPATORIUM. Thououghwort. 



Key to Eupaturiuin purpurcmn, E. maculatum, and E. falcatum. 



a. Florets 9 to 15 (rarely 8 to 20); iiiflorcsccnce or ita divisions flat-topped; 

 stem speckled, if not ohsciired l)y too deep purple, not fjl^iK'on^- 



/'.' niaotliitum. 



