CATALOGUE OP CANADIAN PLANTS. 285 



757. DICKSONIA, L'Her., Sert. Ang., 30. (DICKSONIA.) 



(3028.) D. pilosiuscula, Willd., Enum. PI. Hort. Berol., 1070. 

 Pursh, F\. Am. Sepl, ii., 671. Hook., Fl. Bor.-Am., ii., 2(>4. 

 Macoun & Burgess, Trans. Eoy. Soc. Can., ii., sect, iv., 222. 



Aspidium punctilohum, WilW., Sp. PI., v., 279. Pursh, Fl. Am. Sept., ii., 



664. 

 Dicksonin piwctilobida, Kunze, Sill. .Tourn. (1848), 87. Gray, Man., 6(>9. 



Provancher, Fl. Can., 720. 

 Nephrodium punclilofjulum, Michx., Fl. Kor.-Am., ii., 268. 

 Denmkcdtia punclilobvla, Moore, Index Fil., p. xcvii., 307. Lawson, 



Can. Nat., i., 287 ; Fern Fl. Can., 233. 



Found in stony pastures, open woods, and on rocky hillsides, 

 from the Atlantic westward to Georgian Bay. Very common 

 in Nova Scotia. {Ball.) Abundant in New Brunswick. (Foivler.) 

 Very abundant by roadsides at Brackley Point, Prince Edward Island ; 

 common in e.Ktreme eastern Quebec ; frequent along the roadside 

 between Flinton and the Addington Road, Addington Co., and in low, 

 rich woods a little east of Norwood, Peterboro Co., Out. (^MaMun.) 

 L^vis and Siller}', Quo. (St. Cyr.) Lennoxville and Waterloo, Que. 

 (Sheppard.) Richmond and Drummond Co's, Que. (Bothwell.) 

 Montreal, Que. (Maclagan.) Plentiful in Harrington Township and 

 on Hamilton's Farm, River Rouge, Argenteuil Co., Que. {D' Urban.') 

 Abundant in Stewart's Bush, Ottawa, and at Cas.selman, Ont. {Fletcher.) 

 Near Prescott, Ont. {Billings.) Near Kingston, Ont. (J. Bell.) 

 Parrj' Sound, Georgian Bay, Ont. {Logic.) 



758. SCHIZ/EA, Smith, Act. Taur. v., 419. (SCHIZ/EA ) 



(3029.) S. pusilla, Pursh, Fl. Am. Sept., ii.. 657. Hook., Fl. Bor.-Am., 

 ii., 265. Hook. & Baker, Syn. Fil, 428. Lawson, Can. Nat., i., 

 201. Macoun & Burgess, Trans. Eoy. Soc. Can., ii., sect, iv.,222. 



This peculiar, sedge-like, little species is one of the rarest of ferns. 

 Only one station is known in Canada, but it is recorded by De la Pylaie 

 as occurring in a peat bog near St. Pierre, Newfoundland. Found 

 among the rhizomes of Osmunda regalis on the shore of Gi-and Lake, 

 twenty-three miles from Halifax, N.S., in August, 1879, by Miss 

 Elizabeth G. Knight (now Mrs. Britton), but not since detected. 



