(3022.) W. glabella, R Br., App. Frankl. Journ. 754. Hook., Fl. Bor. - Am., ii., 259. Lawson, Can. Nat., i., 289. Watt, Can. Nat, iv., 363. Goode, Can. Nat., ix., 298.

Macoun & Burgess, Trans. Boy. Soc. Can., ii., sect. iv., 217 Burgess, Trans. Roy. Soc. Can., iv., sect. iv., 17.

W. alpina, var. glabella, Eaton, Can. Nat., ii., 89.

A very delicate little species found in tufts on moist, shaded rocks. It has a wide range, extending from New Brunswick westward to the Rocky Mountains, and northward to the Arctic Circle, but is rare and local. Restigouche River, N.B. (J. Brittain.) Grand Falls, N.B. (Jack.) Limestone rocks, twelve miles up Jupiter River, and under cliffs at Ellis Bay, Anticosti, Que.; frequent in crevices of rocks along the Gaspé coast, Ste. Anne des Monts River, and Rivière du Loup, Que.; ledges of rock, Kakabeka Falls, Kaministiqtiia River, Red Rock, near the C. P. Ry. station, and on trap rocks up the Nepigon River, Lake Superior, Ont.; limestone rocks, Pine Portage, Clearwater River, below Methy Portage, N. W. Ter., Lat 57°, and Bow River Pass, Rocky Mountains. (Macoun.) Saguenay River and Montmorenci Falls, Que. (Watt.) Isle of Orleans, Que. (St. Cyr.) Great Bear Lake (the original station) N. W. Ter. (Richardson.) On rocks along the Arctic coast, from Mackenzie River to Baffin Bay. (Hook., Arct. Pl.)

(3023.) W. hyperborea, E. Br., Trans. Linn. Soc. xi., 173. Hook., Fl. Bor. - Am., ii., 259. Hook. & Baker, Syn. Fil., 46. Provancher, Fl. Can., 720. Watt, Can. Nat., iv., 363.

Macoun & Burgess, Trans. Roy. Soc. Can., ii., sect. iv., 218.

W. alpina, S. F. Gray, Nat. Arang. Brit. PL, ii., 17. Lawson, Trans. Bot. Soc. Ed., viii., 108, and Can. Nat., i., 289.

This plant is closely allied to W. glabella, and, like it, is found on moist, mossy rocks. It occurs very locally from New Brunswick to the Saskatchewan, and northward to the Arctic Circle. "The Tunnel." Restigouche, N.B. (Fowler.) Aroostook Falls, Victoria Co., N.B. (Hay, Wetmore.) Dartmouth River, Gaspé, Que., twenty miles from its mouth. (J. Bell.) Perpendicular faces of cliffs near Cape Rosier, Gaspé; on rocks twenty miles up the Ste. Anne des Monts River, and at the falls of the same river at the base of Mount

Albert, Que.; on mountain masses along the north shore of Lake Superior west of Nepigon Bay, on cliffs of Jack Fish Island, Lake Nepigon, and on ledges of rock between the Hudson Bay Co.'s post and Lake Superior at Michipicotin, Ont. (Macoun.) On a moist, mossy bank, within reach of the spray, near the falls on the Rivière du Loup, and on mossy rocks in a ravine at Temiscouata, Que. (Watt.) He du Havre, Mingan, Que. (St. Cyr.) Norway House, Lake Winnipeg. (Richardson.) Rocks about Fort Chipweyan, Athabasca. (W. G. Traill.) Nottingham Island, Hudson Strait. (R. Bell.) On rocks along the Arctic coast, from the Mackenzie River to Baffin Bay. (Hook., Arct. PL) Greenland. (Rosenvinge.)

(3024.) W. Ilvensis, R. Br., Trans. Linn. Soc, xi., 273. Pursh, Fl. Am. Sept., ii., 660. Hook., Fl. Bor. - Am., ii., 259. Provancher, Fl. Can., 720. Lawson, Can. Nat., i., 288. Hook. & Baker, Syn. Fil., 46. Watt, Can. Nat, iv., 363.

Macoun & Burgess, Trans. Roy. Soc. Can., ii., sect. iv., 219.

Nephrodium rufidulum, Michx., Fl. Bor. - Am., ii., 269.

Aspidium rufidulum, Swartz, Syn. Fil., 58. Pursh, Fl. Am. Sept., ii., 665.

A small, dull-green, tufted species occurring on exposed rocks, from Nova Scotia to the Rocky Mountains, and northward beyond the Arctic Circle. Not common in Nova Scotia. (McKay.) Salt Mountain, Whycocogmah, N.S. (Lindsay.) Gold River, near Chester, Lunenburg Co., N.S. (Ball.) East side of Lake Thomas, Halifax Co., N.S., and Hay's Falls, near Woodstock, N.B. (Jack.) Near Truro, N.S. (Camp-bell.) The "Look Out," Cape Blomidon, N.S. (Macoun & Burgess.) Sugar Loaf, Restigouche, and mouth of Upsalquitch, N.B. (Fowler.) Keswick, Nashwaaksis, St. Stephen, Green Head, and St. John, N.B. ( Vroom.) Very abundant in many parts of Quebec and Ontario. (Provancher, St. Cyr, D' Urban, Lawson, Macoun, Fletcher, Logie, Burgess, etc.) Very abundant and luxuriant west and northwest of Lake Superior. (Macoun.) Echimamish River to Oxford House, and Nelson River, near Hudson Bay. (R. Bell.) Common up Berens River to the Height of Land. (J. M. Macoun.) Rocks about Chipeywan, Athabasca, (W. G. Traill.) Canada to Hudson Bay, Bear Lake, and the Rocky Mountains. (Richardson, Drummond.) Rocks along the Arctic coast from Mackenzie River to Baffin Bay, also in Arctic Greenland and along the east and northeast coast. (Hook., Arct. Pl.)

(3025.) W. obtusa, Torrey, Cat. Pl. in Geol. Rept. of N.Y. (1840.) Fl. of N. Y., ii., p. 500. Lawson, Can. Nat., i., 289.

Hook. &

Baker, Syn. Fil, 48. Macoun & Burgess, Trans. Roy. Soc. Can., ii., sect. iv., 220. Burgess, Trans. Roy. Soc. Can., iv., sect. iv., 180.

Aspidium obtusum, 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 being recorded for it, and these strangely far apart. In the gorge through which Dr. Hamilton's Road winds up to the summit of North Mountain, near Canning, N.S. (Jack.') Amongst loose rocks at Port Simpson, Northern B.C. (Anderson.) West side of the Rocky Mountains, near the sources of the Columbia. (Drummond.)

(3026.) W. scopulina, D. C. Eaton, Can. Nat., ii., 91. Hook. & Baker, Syn. Fil., ed. 2, 48. Macoun & Burgess, Trans. Roy. Soc. Can., ii., sect. iv., 220.

Burgess, Trans. Roy. Soc. Can., iv., sect. iv., 18.

Found growing in dense masses on rocks and in their crevices, chiefly in shade, and confined with us, so far as known, to the Rocky Mountains, and British Columbia. Rocky Mountains; and Elk River, Kootanie Valley, B.C. (Dawson.) Among loose rocks on mountain sides at Lytton and Victoria, B.C. (Fletcher.) Along the Fraser and Thompson rivers, B.C., from Yale to Sicamous on Shuswap Lake, and on the mountains at these places; abundant in Kicking Horse Pass, Rocky Mountains. (Macoun.) Specimens thickly glandular on the upper as well as the lower surface have been collected by Mr. Anderson 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. Roy. Soc. Can., ii., sect. iv., 221.

Burgess, Trans. Roy. 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 River, Lake Nepigon, Ont.; Fort Chipey wan, Athabasca; and Peace River Pass, Rocky Mountains; along the Fraser and Thompson rivers, B.C., from Yale to Spence's Bridge; on Blackwater River, along the Telegraph Trail, and at Fort St. James, Northern B.C. (Macoun.) Exposed rocks, Kamloops, B.C. (Fletcher.)