242 GEOLOGICAL SURVEY OF CANADA. 



(1126.) X. spinosum, Linn. 



Introduced in wool. Abundant at Dundas, Ont. (Burgess.*) Strath- 

 roy, Ont. (McGill Coll. Herb.*) 



288. HELIOPSIS, Pers. (OX-EYE.) 

 (1127.) H. Isevis, Pers. 



Buphthalmum helianthoides, Linn. Michx. Fl. II., 130. 

 Dry open thickets and prairies. St. Catharines and Maiden, Ont. 

 (Maclagan.*) Thickets, vicinity of London, Ont. (Burgess.*) 



(1128.) H. scabra, Dunal. Hook. Fl. I., 310. 



H. Ixvis, var. scabra, Torr. & Gray Fl. II., 303. 



On the prairie between Oak Point and Winnipeg. (Macoun.*) 

 Common on the banks of Red River near the " Forks " (of the Red 

 and Assiniboine at Winnipeg). (Douglas.) Turtle Mountain and 

 Red River prairie on the 49th parallel. (Dawson.) 



289. RUDBECKIA, Linn. (CONE-FLOWER.) 



(1129.) R. hirta, Linn. 



R. fulgida, Ait. Dawson's Boundary Report 



In old fields and meadows eastward apparently introduced ; very 

 abundant on some parts of the prairie region. This species is always 

 found in meadows ui eastern Canada, but in Ontario it is found in both 

 fields and thickets, and more especially along the Grand Trunk and 

 Great Western railways, west of Toronto. It is often common on damp 

 places on the prairie as far west as Humboldt on the old telegraph line. 



(1130.) R. laciniata, Linn Fl. I., 311. 



In swamps and low damp thickets. Cross-road Cote" des Neiges, also 

 River St. Pierre, near Montreal. (Holmes.} Beauharnois, Q. (McGill 

 Coll. Herb.*) Wet ground near Blue Church, and in thickets west of 

 Brockville, rare. (Billings.*) Along the Nation River at Casselman's 

 on the Canada Atlantic Railway, 30 miles from Ottawa. (Fletcher.*) 

 In a small cedar swamp, near Heely Falls, on the Trent, Northum- 

 berland Co., Ont. (Macoun.*) Vicinity of London, Ont. (Burgess.*) 

 Roseau River and Turtle Mountain on the 49th parallel. (Dawson.*) 

 Abundant along the Assiniboine River between Winnipeg and Portage 

 la Prairie. (Macoun.*) 



