274 GEOtOGtOAL SUftVEy of CANADA. 



rocks near Hamilton's Farm, Eiver Eouge, Que. (D' Urban.) Nun's 

 Island, Montreal, Que. (Parsons.) Ottawa, Ont. (Fletcher.) Par- 

 mersville, and banks of river westward of Broekville, Ont., in crevices 

 of Laurentian rocks. (Lawson.) Woods, Belleville, Oastleton, and 

 Brighton, Ont. (Macoun.) Woodstock, Ont. (Millman.) Eich woods, 

 London, Ont. (Burgess.) Amherstburgh, Ont. (Maclagan.) 



(3007.) A. Filix-mas, Swartz, Schrad. Journ., ii., 38; Syn. Fil, 55. 

 Goode, Can. Nat , ix., 297. Macoun & Burgess, Trans. Eoy. Soc. 

 Can., ii., sect, iv., 204. 



Polyslichum Filix-mas, Both, ¥1. Germ., ill., 82. Watt, Can. Nat, iv., 363. 

 Nephrodium Filix-mas, Elchard, Desv., M6m. Soc. Linn, vi., 60. Hook. 



& Baker, Syn. Fil., 272 (exclusive of vara, y and (J.) 

 Lasirea FUix-mas, Presl, Tent. Pterid., 76. Lawson, Can. Nat. i., 282 ; 

 Fern Fl. Can., 241. 

 Occurs in rocky woods and on open, rocky hillsides. Whycocogmah, 

 Cape Breton, N.S. (Lindsay.) Aspey Bay, Lake Ainslie, and 

 Cape Mabou Mountain, Cape Breton, N.S. (McKay.) Keswick 

 Eidge, KB. (Moser.) Daley's Wood, Eich mond, N.B. (Hay.) Abun- 

 dant and very luxuriant along the Gasp4 coast, at Fox Eiver, Que. ; 

 plentiful on the line of the C. P. Ey. on the lower slopes of Mount Mac- 

 donald, near Bear Creek, summit of the Selkirk Eange, B.C. (Macoun.) 

 Among loose rocks under the limestone cliffs at the rear of Eoyston 

 Park, Owen dound, Ont., and about ten miles up the Georgian Bay, 

 under the same range of cliffs. (Mrs. Roy.) British Columbia. (Lyall.) 



(3008.) A. rigidum, Swartz, Schrad. Journ., ii., 37; Syn. Fil., 53. 

 Macoun & Burgess, Trans. Eoy. Soc. Can., ii., sect, iv., 205. 



Nephrodium rigidum, Desv., Ann. Linn., vi., 261. 



Lastrea rigida, Presl, Tent. Pterid., 77. Lawson, Fern Fl. Can., 243. 



Found growing in tufts among rocks on mountain sides. Mount 

 Finlayson, near Victoria, Vancouver Island, B.C. (Cowley, Anderson.) 

 The southern Pacific coast form, var. argutum, presents, according to 

 Prof. Eaton, no points of specific difference from ours, which is typical 

 rigidum, except that its fronds are larger and broader. 



(3009.) A. marginale, Swartz, Syn. Fil., 50; Pursh, Fl. Am. Sept., 

 ii., 662 ; Hook., Fl. Bor.-Am., ii., 260 ; Provancher, Fl. Can. 718. 

 Macoun & Burgess, Trans. Eoy. Soc. Can., ii., sect, iv., 205. 



Nephrodium marginale, Michx., Fl. Bor.-Am., ii., 267. Hook. & Baker, 



Syn. Fil., 273. 

 Lastrea maryinalis, Presl, Tent. Pterid., 77. Lawson, Can. Nat., i., 281 ; 



Fern Fl. Can., 242. 

 Polyslichum marginale, Watt, Can. Nat., iv., 363. 



