CATALOGUE OP CANADIAN PLANTS. 143 



171. POTERIUM, Linn. (BURNET.) 

 (()56.) P. Canadense, Benth. & Hook. 



Sanguisorha Canadensis, Linn. Hook. Fl. I., 198. 

 >S'. media, Linn. Pursh, 116. 



Newfoundland. (J. Bell.) St. Paul's, and Magdalen Islands, Gulf 

 of St. Lawrence. (McKay.) Tmro, N.S. (Mc Gill Coll. Herh.) Yery 

 abundant fi-om Port Daniel, along the Bay of Chaleur and the whole 

 coast of Gaspd. (Macoun.) Cacouna, Q. (Ellis.) South coast of La- 

 brador. (Butler.) Savanne, Q. (Holmes.) Northei-n British Columbia, 

 near Macleod's Lake. (Macoun.) Coast Eange, near Bute Inlet, and 

 on the Misinchinca River, Pine Pass, Eocky Mountains. (Dawson.) 

 Grassy pastures in the valleys of Ounalashka, Buckland Eiver, Sitka, 

 Fort Youcon and Youcon Eiver banks. (Bothr. Alask.) 



(657.) P. officinale, Benth. & Hook. 



Sanguisorha officinalis, Linn. Hook. Arct. PL, 290. 



Alaska. (Kennicott.) Arctic America, east of Mackenzie Eiver. 

 (Hooh. Arct. PI.) 



(658.) P. Sitchense, Watson. 



Sanguisorha media. Hook. Fl. I., 197. 



S. Canadensis, var. latifolia, Hook. Fl. I., 198. 



Observatory Inlet, North-west coast. (Scouler.) It is probable that 

 all western localities of P. Canadense refer to this species. (Macoun.) 



172. ROSA, Tourn. (ROSE. 



(059.) R. setigera, Michx. Fl. I., 295. Climbing Eose. 



Borders of thickets and along fences, at Amherstburg, Ont., and on 

 Pelee Island, Lake Erie. (Macoun.) Maiden, Ont. (Maclagan ) 



(660.) R. Carolina, Linn. Swamp Eose. 



R. Pennsylvanica, Michx. Fl. I., 296, in part. 



Borders of swamps and damp thickets, from Nova Scotia and New 

 Brunswick to the western part of Ontario. 



(661.) R. luclda, Ehrh. Dwarf Wild Eose. 



Newfoundland. (Hook. Fl. I., 199.) Pictou, Cape Breton, and Mag- 

 dalen Islands, N.S. (McKay.) Lucyfield, N.S. (Lawson.) Common 



