424 GEOLOGICAL SURVEY OF CANADA. 



Mount Albert, Shickshock Mountains, Gaspd. (Macoun.) Not common 

 at Riviere du Loup, Q. (Thomas.') At Tadousac, Pointe des Monts, St. 

 Lawrence River, Q. (St. Cyr.) Kamouraska, Q., and at Southampton 

 on the shore of Lake Huron. (Burgess.} North shore of Lake 

 Superior. (Agassi?.) Peat bog, Lake Mistassini, North-east Territory. 

 (J. Richardson.} Peat bogs, White River, north of Lake Superior ; 

 common in peat bogs from Port Arthur to Red Rock, and in bogs on 

 the east coast of Lake Nipigon ; Red Deer River, Lat. 53, and in bogs 

 around the Duck and Porcupine Mountains; in the Rocky Moun- 

 tains from Morley westward to Eagle Pass on the Canadian Pacific 

 Railway. In peat bogs in the interior of northern British Columbia. 

 (Macoun.) From Lake Winnipeg to the Rocky Mountains and to 

 Lat. 69 near the Arctic Sea. (Richardson & Drummond.~) Eastern 

 British America, north of arctic circle. (Hook. Arct. PL) Dean or 

 Salmon River, B.C. (Dawson.) 



XCII. EUPHORBIACE.E. SPURGE FAMILY. 

 532. EUPHORBIA, Linn. (SPURGE.) 



(1931.) E. polygonifolia, Linn. Shore Spurge. 



Sandy shores of the sea and of the Great Lakes. Indian Cove, 

 Pictou, N.S. (McKay.) Sydney, Cape Breton. ( W. H. Harrington.} 

 In sand on Kouchibouguac beach, N.S. (Fowler's Cat.) On Welling- 

 ton beach, Prince Edward Co., Ont. ; on the sands of Presqu'ile 

 Point, near Brighton, and on the beach between .the Union station, 

 Toronto, and the Humber ; Lake Erie shore on Point Pelee, and 

 Port Colborne. (Macoun.) On Burlington Beach near Hamilton. 

 (Logie & Buchan.) Lake Erie shore at Maiden. (Maclagan.) Lake 

 shore near Fort Erie, Ont. (David F. Day.) Sandy shore, Port 

 Stanley, Lake Erie, Ont. (Burgess.) On sand beaches at Point 

 Edward, Lake Huron, and Pelee Point, Lake Erie. (J". M. Macoun.) 



(1932.) E. serpens, HBK. 



E. herniarioides, Nutt. Gray, Man., 386, 1858. 



Waste places and garden walks, London, Ont. (Burgess.) This is 

 possibly an introduction from farther south, but is quite plentiful in 

 potato fields at Windsor, Ont. (Macoun.) 



(1933.) E. serpyllifolia, Pers. 



From the Columbia River eastward to the Saskatchewan. (Watson.) 

 Dry plains west of Moose Mountain, N.W.T., 1880. (Macoun.) 



