41(! OEOLOdlCAL SURVEY OF CANADA. 



{AliU'oun.) Groi(Oi-y's moailows, Monti-c:il, 1S21. (Jfolmes.) B}' the 

 side ot'tho Rivor Rouge, near Silver Mountain, Ottawa Co., Q. (D' Urban.) 

 Vicinity ot Ottawa. (Fletcher Fl. Ott.) Conway's Creek and wet 

 places, rare, near Prescott, Ont. (BUUtkjs.) Very abundant in swamps 

 and grassy places in all parts of Ontario west to Owen Sound, and also 

 at the SaultSle. Marie and ton miles up the Kaministiijuia west of Lake 

 Superior. (Miicoun.) Vicinity of Hamilton. (LocjieandBuchan.) Islands 

 in Detnnt River. (Maclagan.) Shallow watei", London, Ont. {Burgess.) 

 Woody places and bai-ron country beyond lat. 04". (Richardson.) 



(1907.) R. salicifolius, Weinmaim. While Dock. 



Newfoundland. (^Miss Brenton.) Now Mills, Campbellton, N. B. 

 (Chalmers.) Shore of Richibueto River, N.B. (Foiolefs Gat.) Isle 

 St. Charles, Mingan. (^ {St. Cijr.) Coast of Gaspd above Point 

 Fame ; also along Colpoy's Bay, Bruce Peninsula ; shore of St. 

 Ignace at the fishing stations, and Red Rock, Lake Superior, also on 

 the shore of Lake Ni]>igon ; very common around salt ponds 

 throughout the prairie region to Silver City in the Rocky Mountains. 

 (Macoun.) Saline soil, Fort Garry, Man., 1873. (Burgess.) Selkirk, 

 Man., and around salt ponds Souris Plain. (J. M. Macoun.) Saskat- 

 chewan region. (Bourgeau.) Lake Winnipeg to Great Bear Lake 

 and Mackenzie River. (Richardson.) Garnett's Ranche, Old Man River, 

 foot-hills of Rock}- Mountains. (Dai'son.) Sitka. (Rothr. Alask.) 

 Bartlett Bay, Alaska. (Meehan.) 



(1908.) R. verticillatus, Linn. Swamp Dock. 



Wet swamps and ditches. Near Pictou, N.S. (?) (McKay.) Lachine 

 Road, near Montreal. (Holmes.) Vicinity of Ottawa. (Fletcher Fl. Ott.) 

 Along the banks of streams inland and northward from Prescott, Ont. ; 

 common. (Billings.) Beloeil Mountain, Q., and Maiden, Ont. (Maclagan.) 

 In ditches and along rivers and small streams throughout central 

 Ontario. (Macoun.) Ditches vicinity of Hamilton. (Buchan.) 

 Swamj)y places, London, and on Point Pelee, Essex Co., Ont. 

 (Burgess.) 



(1909.) R, CEisPUS, Linn. Curled Dock. 



Thoroughly established in cultivated fields, ditches and by roadsides 

 from Nova Scotia and New Brunswick westward to Manitoba, and 

 sparingly in British Columbia. 



(1910.) R. OBTUSiFOLius, L. Bitter Dock. 



Naturalized about towns and cities, but very seldom seen in fields. 

 Halifax, N, S. (Lawson.) Tabusintac, on the Bathurst Road, N.B. 



