256 GEOLOGICAL SURVliT 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 Eock, Port 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 lino of the C. P. Ey.: also in thickets at Agassiz, 

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

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

 Palls, Eupert Eiver, K B. 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. PI., 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 Palls, 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, Sprang., Anleitg., 172 (1804.) Muhl. in Willd., Sp. PL, 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 Palls, 

 Ont. (Macmm.) 



(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. 



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



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



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



Can. Nat, i., 292. 



