CATALOarE OP CANADIAN PLANTS. 1-43 



I7r. POTERIUM, Linn. (BURNET.) 



(1)56.) P. Canadense, Benth. & Hook. 



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

 S. media, Linn. Piirsh, 116. 



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

 of St. Lawrence. (McKaij.) Truro, KS. (Mc Gill Coll. Herb.) Very 

 abundant from Port Daniel, along the Bay'of Chaleur and the whole 

 coast of Gasp^. (Macoun.) Caoouna, Q. (Ellis.') South coast of La- 

 brador. (Butler.) Savanno, Q. (Holmes^ Northej-n British Columbia, 

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

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

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

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



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



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



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

 (Sooh. Arct. PI.) 



(658.) P. Sitchense, Watson. 



Sanguisorba 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. 



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



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

 Pelee Island, Lake Erie. (Macoun.) Malderi, Ont. (Maclaga% ) 



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



R. Pennsylvanica, Mickx. Fl. L, 296, in part. 



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

 Brunswick to the western part of Ontario. 



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



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

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



