416 GEOLOGICAL SURVEY OP CANADA. 



{Macoun.) Gregoiy's meadows, Montreal, 1821. {Holmes.) By the 

 side of the Eiver Eouge, near Silver Mountain, Ottawa Co., Q. {D' Urban.) 

 Vicinity of Ottawa. {Fletcher Fl. Ott.) Conway's Greek and wet 

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

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

 at the SaultSte. Marie and ten miles up the Kaministiquia west of Lake 

 Superior. (Macoun.) Vicinity of Hamilton. {Logie and Buchan.) Islands 

 in Detroit River. {Maclagan.) Shallow water, London, Ont. (Burgess.) 

 "Woody places and barren country beyond lat. 64°. (Richardson.) 



(1907.) R. salicifolius, Weinmann. White Dock. 



Newfoundland. (Miss Brenton.) New Mills, Campbellton, N. B. 

 (Chalmers.) Shore of Eichibucto Eiver, N.B. (Fowler's Cat.) Isle 

 St. Charles, Mingan, Q. [St. Cyr.) Coast of Gasp^ above Point 

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

 Ignace at the fishing stations, and Eed Eock, Lake Superior, also on 

 the shore of Lake Nipigon ; very common around salt ponds 

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

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

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

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

 and Mackenzie Eiver. (Bichardson.) Garnett's Eanche, Old Man Eiver, 

 foot-hills of Eocky Mountains. (Dawson.) Sitka. (Bothr. Alask.) 

 Bartlett Bay, Alaska. (Meehan.) 



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



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

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

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

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

 In ditches and along rivers and small sb-eams throughout central 

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

 Swampy places, London, and on Point Pelee, Essex Co., Ont. 

 (Burgess.) 



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



Thoroughly established in cultivated fields, ditches and by roadsides 

 from Nova Scotia and New Brunswick westwai'd to Manitoba, and 

 sparingly in British Columbia. 



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



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

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



