(556.) A. androgynum, Schwaegr; Lesq. & James, Mosses of Sf. America, 252; Canadian Musci, No. 207.

On earth at the bases of trees in woods, Pirate's Cove, Straits of Canso, N.S.; on old logs at Hastings, Burrard Inlet, B.C.; very common on old logs, stumps and rocks at Victoria, Nanaimo, and Comox, Vancouver Island. (Macoun.) On rocks, Melaspina Inlet, B.C. (Dawson.) Vancouver Island. (Lyall.)

(557.) A. pa lustre, Schwaegr; Lesq. & James, Mosses of N. America, 252; Canadian Musci, No. 208.

Bryum palustre, Drumm. Musc. Bor. - Am. No. 242.

Marshy places; frequent. (Drummond.) Common about New Harbor, Newfoundland; Battle Harbor, Cape Charles and Fox Harbor, Labrador. (Rev. A. Waghorne.) Swamps, Bass River, N.B. (Fowler's Cat.) Abundant at Canaan Forks, Queen's Co., and Tay, York Co., N.B. (J. Moser.) Nottingham Island, Hudson Strait. (R. Bell.) Pictou Co., N.S. (McKay.) Vicinity of Quebec. (St.Cyr.) Miquelon Island. (DelÓmare.) In bogs at Louisburg, Cape Breton; also at Truro, N.S.; in bogs, Tignish, Prince Edward Island; boggy ground, GaspÚ Co., Que.; in swampy woods throughout Ontario and westward to the Pacific, fruiting abundantly at Banff in the

Rocky Mountains, at Revelstoke, B.C. and on Vancouver Island. (Macoun.) Along the Athabasca River. (J. M. Macoun.) Dorchester, near London, Ont.; common. (J.Dearness.) Saskatchewan and Rocky Mountains. (Bourgeau.) Cascade Mountains. (Lyall.) Kotzebue Sound, Sitka and Nulato. (Roth. Alask.) Jakobshavn and Godthaab, Greenland. (R. Brown.)

Var. imbricatum, Bruch & Schimp.: Canadian Musci, No. 209.

New Harbor, Newfoundland. (Rev. A. Waghorne.) In swamps at Belleville, Ont.; on rocks at North Arm of Burrard Inlet, B.C.; common on rocks at Nanaimo, Vancouver Island. (Macoun.) Boggy ground, east side of Lake Winnipeg. (J. M. Macoun.) Mountains east of Adams Lake, B.C.; alt. 5,600 feet. (Dawson.) var. polycephalum, Bruch & Schimp.; Canadian Musci, No. 210.

In boggy woods at Brackley Point, Prince Edward Island; common in wet woods at Belleville, Ont.; also North Bay, Lake Nipissing and Lake Nepigon, Ont.; marshy spots at Morley, Rocky Mountains; also at Goldstream, Vancouver Island. (Macoun.) Abundant at New Harbor, Newfoundland; Deep Water Creek and Fox Harbor, Labrador. (Rev. A. Waghorne.)

Var. laxifolium, Kindb. (n. var.)

Leaves laxly disposed.

On earth in boggy soil, Roger's Pass, at the "Summit," Selkirk Mountains, B.C., August 6th, 1890. (Macoun.)

(558.) A. turgidum, Schwaegr; Lesq. & James, Mosses of N. America, 253.

Bryum turgidum, Drumm. Musc. Bor. - Am., No. 243.

Moist mountainous situations; rare in fructification. (Drummond.) Seal Islands and Battle Habor, Labrador. (Rev. A. Waghorne.) Whale Island, Chateau Bay, Labrador. (J. A. Allen.) Upper Savage Islands, Hudson Strait. (R. Bell.) On both sides of Baffin's Bay. (Ross' Voyage.) Smith's Sound and West Greenland. (Dr. Kane.) Women's Islands, Baffin's Bay. (R. Brown.) Smith's Sound between lat. 78°-83°. (Dr. Hayes.) Kotzebue Sound. (Roth. Alask.) St. Paul Island, Behring Sea, 1891. (J. M. Macoun.) Common in Greenland. (Fl. Gr.)

(559.) A. heterostichum, Bruch & Schimp.; Lesq. & James, Mosses of N. America, No. 211.

Arrhenopterum heterostichum, Drumm. Musc. Bor. - Am., No. 274.

Upper Canada (Ontario). (Drummond.) Abundant at the bases of trees in damp woods four miles beyond Ferry Point opposite Belleville, Ont.; also in woods, Seymour, Northumberland Co., Ont.; abundant in damp woods at Leamington, Ont. (Macoun.) Near London, Ont. (J. Dearness.)