38 GEOLOGICAL SURVEY OP CANADA. 



(Bnmet.) Vicinity of Montreal. (McGili Coll. Herh.) Common in 

 moist places at Prescott, Ont. (Billings.) Vicinity of Ottawa. 

 (Fletcher, Fl. Ott.) Eivi^re du Loup, Q. ; not common. (Thomas.) 

 Kingston, St. Catharines, Cayuga and Maiden, Ont. (Maclagan.) 

 The Dawson Route, and the second crossing of the Souris, Man. 

 (Burgess ) Goulais Point, on Lake Superior ; north end of Lake Winni- 

 peg ; Nelson Elver to York Factory and Echimamish Elver to Oxford 

 House. (B. Bell.) Winnipeg and IS'orthwest Angle Lake of the 

 Woods. (Bauson.) Very common along the borders of streams through- 

 out the prairie region, as well as the margins of ponds. (Macomi.) 

 Eschscholtz Bay, Ounalashka; and Youcon Eiver. (Roth. Alask.) 

 Gre'enland. (Hook. Arct. PI.) 



Var. hispidum, Fisch ifeMej'. 



Ni(siurtivm lii.f}>i(lviii, DC. Torr. & Gray. Fl. I., 74. Macoun'.s Cat., 

 No. 117. 



Vicinity of Ottawa. (Fletcher Fl. Ott.) In the neighborhood of 

 London, Ont. (Burgess.) Low, wet ground about New Westminster, 

 B.C. (Macou7i.) 



(116.) N. amphibium,E. Br. 



Sisi/mhritDn ainph.ibium, Linn. Pursh. 440. 



In watery places, about Montreal and Lake Huron. (Hooker.) 

 Gregory's Creek, near Montreal, 1821. (Holmes.) Beauharnois Co., Q. 

 (McGill Coll. Herh.) In ditches at Ottawa. In ditches along the 

 railway west of Shannonville, also west of Belleville, Ont. ; ditches 

 at Fort William, Lake Superior, 1869. (Macoun.) Dartmouth Eiver, 

 Gasp^, Q. ; L'Orignal, Ont. (J. Bell.) 



(117.) N. trachycarpum, Gray. 



Very abundant on the Cypress Hills, N. W. T., in dried up pools ; 

 also in the bed of Maple and other Creeks north of the Cypress Hills 

 1880. (Macoun.) 



(118.) N. curvisiliqua, Nutt. 



Sin'jinhr'miii ciiiTtsiliqua, Hook. Fl. I., 61. 



N. (•emuum S: pnlijmorphum, ^\\n. Torr. & Gray Fl. I. 74. 



Common on the North-west Coast as far north as Lat. 48° in sandy 

 soils, near streams. (Douglas.) Along the Praser a short distance 

 above New Westminster, B.C., 1875. (Macoun.) Near Yale BC 

 (Hill.) ■ ■ ■ 



