206 GEOLOGIOAI, SURVEY OF CANADA. 



umberland, Ont. (Macoun.') Niagara Falls and vicinity of London, 

 Ont. (Burgess.) Port Dover, Ont. (Millman.) North Pelham, Ont. 

 {McGiU Coll. Merh.) Hamilton, Ont. {Fletcher.) 



LII. COMPOSITE. Composite Family. 



261. VERNONIA, Schreb. (IRON-WEED.) 

 (958.) V. Noveboracensis, Willd. 



V. prsealta, Hook. Fl. I., 304. 



Fields and roadsides south-western Ontario. Canada. (Pursh.) 

 Close to the railway station at Essex Centre, Ont. {Macoun.) Maiden, 

 Ont. (Maclagan.) 



262. EUPATORIUM, Linn. (THOROUGH-WORT.) 



(959.) E. purpureum, Linn. Joe-Pye Weed. 



K macvlatum, Hook. Fl. I., 305. 



E. punctatum, Willd. Pursh Fl. n., 515. 



E. amcenum, Pursh M. II., 514. 



E. falcatum, Michx. Pi. II., 99. 



Low meadows along streams and in river valleys. Extending from 

 Anticosti, Nova Scotia and New Brunswick westward to the Eooky 

 Mountains and northward to the Clear "Water Eiver. Lat. 57°. 

 {Macoun.) Ladner's Landing, B.C. {Fletcher.) 



(960.) E. perfoliatum, Linn. Boneset. 



Low meadows and along small streams, quite common. Nova 

 Scotia and New Brunswick. Extending to the Lake of the Woods. 

 {Dawson.) 



(961.) E. ageratoides, Linn. White Snake-root. 



E. uriicsefoHum, Eiech. Michx. Fl. n., 100. 



Eich soil in damp woods, abundant in Ontai-io. In rich soil on the 

 banks of the Eestigouehe, N.B. {Fowler's Cat.) Common in Quebec 

 and Ontario, extending to Owen Sound. {Macoun.) 



