CATALOGUE OF CANADIAN PLANTS. 421 



region, and extending far into the Eocky Mountains, and south to the 

 boundary, being found where, owing to the fires, no other wood exists. 

 On trap rocks, east side of Lake Nipigon. From Winnipeg to Silver 

 City in the Eocky Mountains, north to Lat. 56°, in the Peace Elver 

 Pass, and down that river to near Lake Athabasca. (^Macoun.) Thickets 

 along the 49th parallel from the Eed Elver to Eocky Mountains, grow- 

 ing where no other shrubs are seen. (JDawson.) Spence's Bridge, 

 B.C. {Fletcher.') From the Grand Eapids of the Saskatchewan to the 

 Eocky Mountains, and north to Lat. 69°, near the arctic coast. 

 {^Richardson & Drummond.) James Bay and up the Missinaibi Eiver. 

 (J. M. Macoun.) Hudson Bay. {Nuttall, vide Hooker.) Eastern 

 British America, north of arctic circle. {Hook. Arct. PL) 



529. SHEPHERDIA, Nutt. (SHEPHERDIA.) 



(1924.) S. Canadensis, iNutt. Canadian Shepherdia. 



Hippox)lix Canadtnsis, Wilkl. Pursh, Fl. L, 115. 



On rocky hillsides and gravelly river banks, widely distributed but 

 seldom locally abundant. Narrows, Tobique Eiver, N.B. {Hay.) 

 Clinging to rocky banks at Grand Falls, St. John, and at Cape Bon 

 Ami, Eestigouche, N.B. {Fowler's Oat.) Eiver Lachevrotiere, Port- 

 neuf Co., Isle of Or leans and Mingan Islands, and eastward along the 

 St. Lawrence. {St. Cyr.) Along the St. Lawrence at Quebec ; also at 

 Jones' Falls, near Kingston, and Maiden, Lake Erie. {Maclagan.) On 

 gravelly and rocky banks near Ottawa. {Fletcher Fl. Ott.) Eocky 

 banks of St. Lawrence west of Brockville. {Billings.) On gravelly 

 banks at Carleton Place, Casselman and Hull, near Ottawa ; common 

 along the dry rock}' banks of the Moira and Trent, Ont., and on the 

 Mountain Portage, Ivakabeka Falls, west of Lake Superior, also on 

 the east side of Lake Nipigon. {Macoun.) Vicinity of Hamilton, 

 Ont. {Buchan.) Various places along the Niagara Eiver and Lake 

 Erie. {David F. Day.) Sandy or rocky banks, Kingston, London, 

 Niagara Falls and Southampton, Ont. {Burgess.) East side of La 

 Cloche Island, Georgian Bay. {J. Bell.) Grindstone Point and other 

 places on Lake Winnipeg. {J. M. Macoun.) Cypress Hills and Koo- 

 tanie Pass, 49th parallel. {Dawson.) Cypress Hills near Fort Walsh, 

 and on the steep slopes at the Hand Hills, Red Deer Eiver ; on gravelly 

 slopes near Green Lake, 150 miles north of Carlton ; also on the 

 banks of Peace Eiver at Dunvegan, on the Parsni}) north of Fort 

 McLeod, and on gravel along the Eraser at Quesnelle, B.C. {Macoun.) 

 Mount Finlayson and othei' places on Vancouver Island. Called " Soop- 



