284 GEOLOGICAL SURVEY OF CANADA. 



Baker, Syn. Pil., 48. Macoun & Burgess, Trans. Eoy. See. Can., 

 ii., sect, iv., 220. Burgess, Trans. Eoy. Soc. Can., iv., sect, iv., 180. 



Aspidium obiusum, Willd., Sp. PL, v., 254. Pursh, Fl. Am. Sept., ii., 662. 

 Physematium obtusum, Hook., Fl. Bor.-Am., ii., 259. 



This fern, which is found on rocks and stony hillsides, is one of our 

 rarest species, only three stations heing recorded for it, and these 

 strangely far apart. In the gorge through which Dr. Hamilton's 

 Eoad winds up to the summit of North Mountain, near Canning, N.S. 

 (Jack.') Amongst loose rocks at Port Simpson, Northern B.C. {Ander- 

 son.) "West side of the Eockj' Mountains, near the sources of the 

 Columbia. (Brummond.) 



(3026.) W. scopulina, D. C. Eaton, Can. Nat., ii., 91. Hook. & 

 Baker, Syn. Fil., ed. 2, 48. Macoun & Burgess, Trans. Eoy. Soc. 

 Can., ii., sect, iv., 220. Burgess, Trans. Eoy. Soc. Can., iv., sect. 

 iv, 18. 



Pound growing in dense masses on rocks and in their crevices, 

 chiefly in shade, and confined with us, so far as known, to the Eocky 

 Mountains, and British Columbia. Eocky Mountains ; and Elk Eiver, 

 Kootanie Valley, B.C. (Dawson.") Among loose rocks on mountain 

 sides at Lytton and Victoria, B.C. (Fletcher.) Along the Eraser and 

 Thompson rivers, B.C., from Yale to Sicamous on Shuswap Lake, and 

 on the mountains at these places ; abundant in Kicking Horse Pass, 

 Eocky Mountains. (Macoun.) Specimens thickly glandular on the 

 upper as well as the lower surface have been collected by Mr. Ander- 

 son on Mount Finlayson, near Victoria, B.C. 



(3027.) W. Oregana, D. C. Eaton, Can. Nat., ii., 90. Hook. & 

 Baker, Syn. Fil., ed. 2, 48. Watt, Can. Nat., iv., 363. Macoun & 

 Burgess, Trans. Eoy. Soc. Can., ii., sect, iv., 221. Burgess, Trans. 

 Eoy. Soc. Can., iv., sect, iv., 18. 



A delicate little species occurring in dense patches in the crevices of 

 rocks, often where exposed to the sun, and ranging from Lake Nepigon 

 westward into British Columbia and northward to Lake Athabaska. 

 Blackwater Eiver, Lake Nepigon, Ont. ; Fort Chipeywan, Athabasca ; 

 and Peace Eiver Pass, Eocky Mountains; along the Eraser and 

 Thompson rivers, B.C., from Yale to Spence's Bridge; on Blackwater 

 Eiver, along the Telegraph Trail, and at Fort St. James, Northern 

 B.C. (Macoun.) Exposed rocks, Kamloops, B.C. (Fletcher.) 



