CATALOGUE OP CANADIAN PLANTS. 245 



the same form was collected oa the 49th parallel at Turtle Mountain 

 by Dr. G. M. Dawson. 



(1141.) H. decapetalus, Liim. 



H.frondomn, Hook. Fl. I., 312. 



H. tracheliifoKus, Holmes Herb. McGill College. 



On the borders of woods and thickets. Abundant on Montreal 

 Mountain ; Cowansville, Q. Beauharnois Co., Q. Knowlton, Q. {McGill 

 Coll. Herb.) Nicolet, Q. (Maclagan.) In the vicinity of Prescott 

 quite common. (Billings.) Valley of the Trent above Trenton ; at 

 ConseeOn, Prince Edward Co., and abundant in St. James' Cemetery, 

 Toronto. (Ifacoun.) Niagara District. (Maclagan.) Common 

 around London, Out. (Burgess.) Mouth of Mississaugi River, Greor- 

 gian Bay. (B. Bell.) 



(1142.) H. divaricatus, Linn. 



On dry, gravelly soil along rivers and in thickets. Chelsea near 

 Ottawa, and common at Prescott, Ont. (Billings.) Vicinity of Ottawa. 

 (McGill Coll. Herb.) J)vy woods and thickets in Hastings Co. and west- 

 ward throughout Ontario. (Macoun.) Norway House, outlet of Lake 

 Winnijjeg. (Richardson.) 



(1143.) H. parviflorus, Bernh. 



H. microcephalus, Torr, & Gray Fl. II., 329. 

 H. divaricatus, Michx. Fl. II., 141. 



Thickets in alluvial soil in western Ontario. (Goldie vide Torr. & 

 Gray Fl. II., 330.) 



(1144.) H. Maximiliani, Schrader. 



On the Saskatchewan. (Bourgeau.) We are not acquainted with 

 this species but very likely confound it with H. giganteus, which is 

 very near it. 



(1145.) H. tuberosus, X^inn. 



Naturalized in a fevv places near gardens. An escape in Halifax Co., 

 N.S. (Lawson.) Spontaneous about garden fences, N.B. (Foicler's 

 Cat.) Naturalized in a few localities in central Ontario. (Macoun.) 

 Vicinity of London. (Burgess.) Beaver Meadows, near Thorold, Ont. 



(Maclagan.) 



(1146.) H. pumilus, Nutt. 



Specimens which are doubtfully referred to this species were collected 

 at the Blackfoot Crossing on Bow Eiver. (Macoun.) Calgarr\' in the 

 valley of the Bow River. (/. M. Macoun, C. P. R. Coll.) 



