260 GEOLOGICAL SUEVET OP CANADA. 



Pleris gracilis, Michx., Fl. Bor.-Am., ii., 262. Swartz, Syn. Fil., 99. 



Pursh, Fl. Am. Sept, ii., 66S. Hook., Fl. Bor.-Am., ii., 264. 

 AUoforus gracilis, Presl, Tent. Pterid., 1.53. Gray, Man., Ed. 2, 591. 

 AVoforw> Stdleri, Ruprecht, Distr. Crypt- Vase, in Imp. Ross., 47. 



Lawson, Can. Nat., i., 272. 

 Pellsea Sulleri, Beddome, Lawson, Fern Fl. Can., 235. 



Occurs in the crevices of rocks from Labrador to British Columbia, 

 but is by no means a common species. Morris Rock, Eestigouche. and 

 Grand Falls, St. John, Jf.B. (Fowler.) Madawaska, X.B. (Hay.) 

 Woodstock, N.B. (Jack.) Mingan Islands, Que. (St. Cyr.) On crystal- 

 line limestone, near the Lake of Three Mountains, River Rouge, Que. 

 {D'Vrhan.) Cacouna, Que. (J. W.Dawson.) Riviere du Loup, Que. 

 (Tlwmas.) Cievices of limestone rocks near Hemlock Lake, Ottawa, 

 Ont. {Fletcher.) Lakeficld. Ont. (Mrs. Traill.) On Guelph dolo- 

 mites, Little Saugeen River, Durham, Grej- Co., Out. (H. M. Ami.) 

 Crevices of wet rocks at the mouth of the Tcmiscami River, about 

 twenty-five miles from the east end of Lake Mistassini, N. E. Ter. ; 

 summit of Mount Queest. Gold Range, B.C., altitude T,000 feet. (J. M. 

 Macoun.) Crevices of rocks near L'Anse a Fallon, Cape Rosier, Ste. 

 Anne des Monts River, Gasp^, and Gunn River, Anticosti, Que. ; lime- 

 stone rocks along the River Moira near Belleville, Foster's Flats below 

 the Whirlpool, Xiagara Falls, rocks at Owen Sound, along the Kaminis" 

 tiquia River at and below the Kakabeka Falls, under the clitfs at Red 

 Rock and Xepigon stations on the C. p. Ry., crevices of the Huronian 

 slates seventeen miles from Michipicotin on the Magpie River, Ont. ; 

 Peace River Pass, Rocky Mountains, N. W. Ter. ; crevices of rocks 

 in rear of the C. P. Ry. water-tank at Kicking Horse Lake, Rocky 

 Mountains, and at Mount Stephen, B.C. (Macoun.) Rocky hillsides, 

 not common, Kootanie District, B.C. (Anderson.) Canada. (Goldie), 

 to the Saskatchewan. (Drummond), in Hook. Fl. Bor.-Am. 



(2983.) P. atropurpurea, Link. Fil. Hort. Berol.. 59. Lawson, 

 Can. Xat., i., 272. Walt, Can. Nat, iv., 363. Macoun & Burgess, 

 Trans. Roy. Soc. Can., ii.. Sect, iv., 184. 



Pteris atropurpurea, Linn., Sp. PL, 1534 Michx., Fl. Bor.-Am., ii., 261. 

 Pursh, Fl. Am. Sept., ii., 668. Hook., Fl. Bor.-Am., ii., 264. 



A widely distributed but very local fern, ranging from Ontario west- 

 ward to British Columbia and northward to Great Bear Lake. Hamil- 

 ton, Ont. (Loyie.) Xot rare in the crevices of limestone clilfs in 

 the Dundas Ravine, Dundas, Ont. (Burgess.) Limestone rocks, 

 Flora, Ont. (McPherson.) Crevices of rocks at the Whirlpool and 

 Foster's Flats, Niagara Falls, Ont. ; corpmoii at various places on rocks 



