CATALOGUE OF CANADIAN PLANTS. 407 



(1865.) E,, ovalifolium, Nutt. 



Slopes in the South Kootanie Pass, 49th parallel. (Dawson.) North- 

 ward to British Columbia. (Watson.) 



(1866.) E. multiceps, Nees. 



Eriogonum, No. III. Dawson, Bound. Kep-, 373. 

 Eriogonum, No. IV. Dawson, Bound. Eep., 373. 



Gravelly soil, Coteau de Missouri, 49th parallel. (Burgess.} Wood 

 Mountain, 49lh parallel. {Dawson.} 



517. KOENIGIA, Linn. 



(1867.) K. Island ica, Linn. 



North Bluff, Upper Savage Islands, and Mansfield Island, Hudson's 

 Strait. (E. Bell.) Moist mountains north of Smoky Eiver, Lat. 54. 

 (Drummond.) Bay of Escholtz. (Chamisso.) 



518. POLYCONUM, Linn. (KNOTWEED.) 



(1868.) P. Paronychia, Cham. & Schlecht. 



Sea-coast of Vancouver Island, near Victoria, B.C. (Fletcher.} Sands 

 of the seashore of straits of De Fuca. (Menzies.) 



(1869.) P. aviculare, Linn. Knotgrass, Door-weed. 



Very abundant around dwellings as an introduced weed, but indige- 

 nous in various forms westward, or all the strictly native forms may be 

 included in the next. Wherever the smallest settlement is made this 

 species and Capsella Bursa-pastoris are sure to appear. It extends 

 from the Atlantic to the Pacific and north to the Arctic Circle and 

 Alaska. South of the arctic circle in Greenland. (Hook. Arct. PL} 



(1870.) P, erectum, Linn. 



P. aviculare, var. erectum, Gray, Man. 417, 1868. 



Roadsides and in waste places about towns in Ontario ; quite com- 

 mon along the trails and where the ground is cultivated in the North- 

 west. Waste places around London, Ont. (Burgess} Common in the 

 streets of Hamilton, Ont. (Buchan.) Forms approaching this were 

 collected at Toronto, Sarnia and at Port Arthur in Ontario, while in 

 the North-west it extends to Silver City in the Rocky Mountains. 

 Along the Canadian Pacific Railway at Walsh Station. (J. M. Macoun.} 

 Coulee at the West Butte, 49th parallel. (Dawson.} 



