256 GEOLOGICAL SURVEY OF CANADA. 



(Provancher.) Waste places near Prescott Junction, Ont. (Billings.) 

 Hamilton, Ont. (Buchan.) London, Ont. (Saunders.) Toronto, Blen- 

 heim, and Leamington, Ont. (Burgess.) Ottawa, Ont. ; New West- 

 minster and Victoria, B.C. (Fletcher.) Salmon Eiver, N.B. (J. E. 

 Wetmore.) In fields and by roadsides, Brackley Point, Prince Edward 

 Island ; along the north shore of Lake Superior, at Nepigon Eiver, 

 Eed Bock, Fort William, &c. ; frequent on the western prairies, 

 especially toward the Saskatchewan ; Peace Eiver Pass, Eocky Moun- 

 tains ; rare on the snow slides near the summit of the Selkirk Moun- 

 tains, B.C., on the line of the C. P. Ey. : also in thickets at Agassiz, 

 B.C., and summit of Mount Arrowsmith, Vancouver Island. (Macouri). 

 Mouth of Eainy Eiver, Lake of the Woods, Ont. (Dawson.) Oatmeal 

 Falls, Eupert Eiver, N. E. Ter. ; Fort George, Hudson Bay. (J. M. 

 Macoun.) 



Var. obliquum, Milde, Bot. Monog., 109. Macoun & Burgess, 

 Trans. Eoy. Soc. Can., ii., sect, iv., 178. 



B. obliquum, Muhl. in Willd., Sp. PL, v., 63. Pursh, Fl.Am. Sept., ii., 

 655. Hook., Fl. Bor.-Am., ii., 265. Lawson, Can. Nat, i., 292. 



Is much less frequently seen than the type. New Germany and 

 Oaklands Lake, Mahone Bay, N.S. (Ball.) Dry, rich woods near the 

 hop-yard, Belleville, Ont, and in sandy soil on Eice Lake Plains, Ont. 

 (Macoun.) Sandy woodland, Niagara Falls, Ont. (Burgess.) London, 

 Ont. (Saunders.) About Hudson Bay, York Factory, and on the 

 " Height of Land/ in the Eocky Mountains. (Drummond.) 



Var. dissectum, Milde, Bot. Monog., 110. Macoun & Burgess, 

 Trans. Eoy. Soc. Can., ii., sect, iv., 178. 



B. dissectum, Spreng., Anleitg., 172 (1804.) Muhl. in Willd., Sp. PI., v.. 

 64. Pursh, Fl. Am. Sept., ii., 656. 



Only recorded from Mount Uniacke and New Germany, N.S. (Ball.) ; 

 Halifax, N.S. (Jack) ; and woods near the Whirlpool, Niagara Falls, 

 Ont. (Macoun.) 



(2975.) B. Virginianum, Swartz, Schrad. Journ., ii., 111. Hook. 

 & Baker, Syn. Fil., 448. Watt, Can. Nat, iv., 364. Macoun & 

 Burgess, Trans. Roy. Soc. Can., ii., sect, iv., 179. 



Botrypus Virginicus, Michx., Fl. Bor-Am., ii., 274 (1803.) 



Botrychium Virginicum, Willd., Sp. PI., v., 64 (1810). Gray, Man., 671, 



Pursh, Fl. Am. Sept., ii., 656. Provancher, Fl. Can., 721. Lawson, 



Can. Nat., i., 292. 



