100 GEOLOGICAL SURVEY OF CANADA. 



(Macoun.) Vicinity of Hamilton. {Logie.) In water at London, Ont. 

 (Burgess. Mllman.) North shore of Lake Superior. (Agassiz.) Lake 

 Nipigon; and Kaministiqua Eiver, Thunder Bay, Lake Superior. 

 (Macoun.) Lake of the Woods, and Eoseau Eiver, Man. (Burgess.) 

 Lake Mistassini, N.E.T. ; " Grassy Narrows," Lake Winnipeg ; Beren's 

 Eiver and down the Severn Eiver, Keewatin. _ (J. M. Macoun.) Michi- 

 picotin Eiver, Ont. ; Nelson Eiver, Keewatin. (R. Bell.) Moose Factory, 

 James Bay. (Oottar & Dr. Hayden.) Winnipeg and North-west Angle 

 Eoad ; also Trader's Eoad, Man. (Dawson.) Occasionally in ponds, but 

 particularly at Eush Lake, in the prairie region, extending north to the 

 Peace Eiver ; Bow Eiver, at the Kananaskis, Eocky Mountains, and in 

 the Columbia Valley, between Golden City and Donald ; notuncommon 

 on the borders of lakes, Vancouver Island. (Macoun.) British America, 

 as far north as lat. 57° ; marshes of the Eocky Mountains. (Hooker, Ft.) 



Var. occidental is, Watson, Bot. Calif. II., 218. 

 Kootanie Valley, Eocky Mountains, 1883. (Dawson.) 



(2481.) S. maritimus, Linn. ; Hook., PI. II., 230, (Sea Club-Eush.) 

 S. mariiimus, /?. maaroslaehyos, Michx., FI. I., 32, in part. 

 S. robvstus, Parsh, Fl. I., 56, in part. 



Salt marshes on the coasts of the Atlantic and Pacific oceans, 

 and borders of salt lakes in the prairie region. Salt marshes at 

 Truro, and Yarmouth, N.S. (Macoun.) Common in salt marshes, N.B. 

 (Fowler, Cat.) Salt Lake, Anticosti. (Macoun.) Saguenay Eiver ; 

 Eivi^re du Loup, Q. (Burgess.) Saline lake near Turtle Mountain, 

 Man. (Dawson.) Marshes at the File Hills, Man., and along Thunder 

 Creek, and Old Wives Lakes, Assiniboia; very abundant in salt 

 marshes at Qualicum, and Nanaimo ; also at Alberni, on the west coast, 

 Vancouver Island. (Macoun.) Salt marshes of the Saskatchewan. 

 (Hooker, Fl.) 



(2482.) S. fluviatilis, Gray. (Eivei- Club-Eush.) 



S. maritimus, var. (?) ftumatilis, Torr. Bot. N. York, II., 354. 

 S. robustus, Pursh, Fl. I., 56, in part. 



Eather uncommon in ri'^er and lake marshes. L'Ange Gardien, and 

 Templeton ; Pointe Aux Trembles, Hochelago Co., Q. (Ami.) Marsh 

 along the Eideau Eiver, at the railway bridge, Ottawa. (Fletcher, Fl. 

 Ott.) Eiver St. Lawrence, at Prescott. (Billings.) Eiver Trent, at the 

 terminus of the Marmora jailway, and at the " Narrows" above that 

 point; Gull Eiver, above Cameron Lake, Victoria Co., Ont. (Macoun.) 

 Vicinity of Hamilton, Ont. (Logic.) Swampy marsh, Kingston, Ont. 

 (Millman.) Port Oolborne, Lake Erie. (McGill Coll. Herb.) Shallow 



