172 GEOLOGICAL SUE VET OF CANADA. 



(2682.) C. Tuckermani, Boott, Hook., Journ. Bot. V., 73, (1846.) 



C. bullata, Dew. Sill. Jonni. IX., 71, (1825); Hook., Fl. II., 221. 



C Tuckermani, var. cylindricn, Dew. Sill. Journ. XLIV., 48, (1845.) 



C. cylindrica, Carey, Gray, Man. 56(), (1848.) 

 Eather common in some localities growinnj in large clumps, mostly 

 in water. Newfoundland. (Reeks.) Wet bank of Bass Eiver, Kent 

 Co., N.B. (Folder, Cat.) Nun's Island, Jlontreal. (C F. McCrea.) 

 Nation Eiver, and plentiful in all low grounds near Ottawa. (Fletcher, 

 Fl. Ott) Wet ground, Prescott, Ont. (Billings.) Abundant in wet 

 spots around Belleville, and westward in central Ontario ; Port Dover 

 Junction, and neai- St. Thomas, Elgin Co., Ont. (Macou?i.) Swamps 

 near London, Ont. (Burgess. Millnian.) Vicinity of Hamilton, Ont. 

 (Logie.) Poi-t Colborne, Lake Erie. (McQill Coll. Herb.) Canada to 

 Norway House. (Hooker, FL) 



<2683.) C. retrorsa, Schweinitz, An. Tab. (1823.) 

 C. ro'tTSd, Surengl. Syst Veg. III., 827. 

 Marshy places and bj' ditches; rather common. Marshes at Truro, 

 and Annapolis, N.S. (Macoun.) Common in wet places at Bass Eiver. 

 Kent Co., N.B. (Fowler, Cat.) Campbellton, N.B. (Chalmers.) Eivi^re 

 du Loup, Q. (Pickering.) Eecollet Swamp, near Montreal. (C. F. 

 McCrea.) Sugar Bush, and Bevin's lakes, Montcalm Co., Q. (D' Urban.) 

 Ticinity of Ottawa. (Fletcher, Fl. Ott.) Vor^' common at Prescott, 

 Ont. (Billings.) Very abundant throughout central Ontario, and 

 westward to Owen Sound, and northwesterly to Lake Nipigon and 

 south to Port Arthur and Fort William, Lake Superior. (Macoun.) 

 Vicinity of Hamilton, Ont. (Logie.) Swampy flat, London, Ont. 

 (Burgess. Millman.) Oba Lake, Ont. (R. Bdl.) Apparently quite 

 rare in the Rocky Mountains, only noticed at Donald, Columbia Valley. 

 {Macoun.) Saskatchewan. (Bourgeau.) Cumberland House to the Eocky 

 Mountains. (Hooker, Fl.) Lake of the AVoods, and Winnipeg Eiver. 

 (Richardson.) 



Var. Hartii, Gray, Man. Ed. V., 600, (1868.) 



C. Hartii, and var. BradUijii, Dew. Sill. Journ. 2d. Ser. XLI., 226, (1886) 

 C. Macounii, Dew. Sill. Journ. XLI., 2d. Ser. 228, (1866.) 



Abundant in ponds at Stirling, Hastings Co. ; and in Tudor, and 

 Marmora, North Hastings ; also on P. Macoun's farm, Seymour, Nor- 

 thumberland Co., ( )nt., 1864. 1 agree with Prof. Bailey in placing 

 this under var. Hartii, Gray, where I believe it properly belongs. 

 Prof. Dewey thought it might be new, but suggested C. Hartii as its 

 next of kin. 



