CATALOGUE OP CANADIAN PLANTS. 281 



755. ONOCLEA, Linn., Gen. PL, No. II7O. (ONOCLEA.) 



(3020.) O. sensibilis, Linn., Sp. PL, 15H. Michx., PI. Bor.-Am., 



ii., 2T2. Swartz, Syn. FiL, 110. Pursh, PI. Am., Sept^ ii,, 665. 

 Hook., PI. Bor.-Am., ii., 262. Provancher, PI. Can., 71*7. Lawson, 

 Can. Nat., i., 274. Watt, Can. Nat., iv., 363. Macoun & Burgess, 

 Trans. Eoy. Soc. Can., ii., sect, iv., 215. 



A very common fern throughout Canada, in wet, generally shaded, 

 places, as far west as the head of Lake Winnipegoosis and the Sas- 

 katchewan. 



The plant described as var. obtusilobata by Doctor Torrey in the 

 Flora of New York, vol. ii., p. 499 (Onoclea obtusilobata, Schk., Krypt. 

 Gew., 95. Pursh, PI. Am. Sept., ii., 665) is only a form in which some, 

 or all, of the sterile fronds are contracted and partially fruitful. It is 

 recorded from but few localities but is probably of much more frequent 

 occurrence. Eichibucto, N.B. (Fowler.) Havelock, King's Co., N.B. 

 (Brittain.) Prince Edward Island. (Bain.) Wet meadow, one mile 

 north of Murray Town-Hall, Northumberland Co., Ont. (Macoun.) 

 Ottawa, Ont. (Fletcher.) Saugeen, Ont. (P.J.Scott.) 



(3021.) O. Struthiopteris, Hoff., PI. Deutschld., 11. Swartz, Syn. 

 FiL, 111. Watt, Can. Nat., iv., 363. Macoun & Burgess, Trans. 

 Eoy. Soc. Can., ii., sect, iv., 216. 



0. nodulosa, Schk., Krypt. Gew., 97. (Perhaps also of Michx., Fl. Bor.- 

 Am., ii.. 272.) 



Struthiopteris Germanica, Willd., Enum., 1071. Hook., Fl. Bor.-Am., ii., 

 262. Gray, Man., ed. v., 667. Provancher, Fl. Can., 717. 



Struthiopteris Pennsylvanica, Willd., Sp. PL, v., 289. Pursh, Fl. Am. 

 Sept., ii. 666. 



Struthiopteris Germanica, var. Pennsylvanica, Lawson, Can. Nat.i., 273 ; 

 Fern Fl. Can., 231. 



A tall, showy species, found in low, open or wooded, especially allu- 

 vial, ground. Its range is from Nova Scotia to near the Pacific Coast 

 in the valley of the Fraser Eiver in British Columbia, but it is most 

 common east of Lake Huron. Canada to the Saskatchewan. (Rich- 

 ardson.). About forty miles north of Michipicotin on the Magpie Eiver, 

 and about five miles up the Kaministiquia Eiver, Lake Superior, Ont. ; 

 along the Assiniboine Eiver, from Winnipeg to the Souris Eiver, Man. ; 

 common along the C. P. Ey., east of Agassiz Station, and along Eagle 

 Eiver in the Gold Eange, B.C., 1889. (Macoun.) North-west Angle, 

 Lake of the Woods. (Burgess.) 

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