88 FLORA OF BURLINGTON AND VICINITY 



CIRSIUM (Tourn.) Hill. Common or Plumed Thistle 



C. ARVENSE (L.) Scop. Canada Thistle. Fields and waste places; com- 

 mon. June-Sept. 



C. LANCEOLATUM (L.) Hill. Common or Bull Thistle. Pastures and 

 roadsides; common. July-Sept. 



DYSSODIA Cav. Fetid Marigold 



P. PAPPOSA (Vent.) Hitchc. Adventive on wool waste, bank of Wi- 

 nooski River, Burlington, (Brainerd). July-Get. 



ERECHTITES Raf. FirEwEEd 



E, hieracifolia (L.) Raf. Moist woods, especially in recent clearings; 

 common. July-Sept. 



ERIGERON L. FlEabanE 



E. aunnus (L.) Pers. Daisy Fleabane, Sweet Scabious. Fields and 

 waste places; common. June-Sept. 



E. canadensis L. Horseweed, Butterweed. Waste places, etc. ; com- 

 mon. July-Sept. 



E. hyssopifolius Michx. Wet calcareous rocks; occasional. June, July. 



E. philadelphiciis L. Pink Fleabane. Moist grounds; common. May- 

 July. 



E. pulchellus Michx. Robin's Plantain. Copses and moist banks; 

 frequent. May, June. 



E. rainosus (Walt.) BSP. Daisy Fleabane. Fields; common. June- 

 Sept. 



EUPATORIUM (Tourn.) L. Thorough wort 



E. perfoliatum L. Thoroughwort, Boneset. Low grounds; common. 

 Aug., Sept. 



E. purpureum L., var. inacnlatnni (L.) Darl. Joe-Pye Weed, Trumpet 

 Weed. Moist thickets and low grounds; common. July, Aug. 



E. urticaefoliiiiii Reich. White Snakeroot. Moist rich woods; occa- 

 sional. Aug., Sept. 



GALINSOGA R. & P. 



G. parviflora Cav. One form occurs. Var. hispida DC. First col- 

 lected in 1891, (Grout), now a common and pernicious garden weed. 

 July-Oct. 



