287. C. alcicornis, (Lightf.) Floerke.

Sterile, sandy earth.

Greenland. (Arct. Man.) Arctic America. (Hooker.) On earth, Cape Rosier, Gaspé Co., Que.; on the summit of Mount Albert, Gaspe Co., Que.; on earth at Truro, N.S., June 12th, 1883; on limestone rocks at Hull, and at Chelsea and King's Mountain, Que. (Macoun.) On rocks, Stony Lake, Peterborough Co., Ont. (Thos. Walker) On earth, Rigaud Mountain, Vaudreuil Co., Que. (Rev. G. Ducharme.) On earth on rock, Kingston Mills, Ont., Sept. 23rd, 1901; St. Paul Island, Behring Sea, 1897. (/. M. Macoun.)

288. C. symphycarpa, Fr.

On earth.

Labrador or Newfoundland with the var. epiphylla, Ach. (Waghorne fide Eckfeldt.) Tunnel Mountain, Banff, Rocky Mountains. (Macoun.) Cook's Inlet, at Fort Alexander, Alaska. (Rothrock)

289. C. Mitrula, Tuckerm.

On earth in McKay's bush and at Britannia, six miles from Ottawa, Ont.; on earth on an old stump in pine woods, Seymour West, Northumberland Co., Ont.; on earth in woods, Camlachie, Lambton Co., Ont., June 18th, 1901. (Macoun.) Juneau, Alaska. (Miss G. Cooley.)

290. C. cariosa, (Ach.) Spreng.

On earth and logs.

Battle Harbour, Labrador. (Waghorne) Arctic America. (Richardson) On earth, Cape Rosier, and Fox River, Gaspé Co., Que.; rather common on earth at Ottawa, Ont.; on earth at Belleville, HastingsCo.,Ont.; on old logs in woods,Camlachie, Lambton Co., Ont., June 18th, 1901. (Macoun) On earth, Nipigon River, and Lake Maria, Ont.; Island Lake, Algonquin Park, Ont., July, 1900; on earth at Banff and along the Elbow River and on Moose Mountain, Rocky Mountains; at Donald and Deer Park, Columbia River, B.C.; on earth along the Fraser River at Quesnel, B.C. Macoun)

291. C. decorticata, Floerk.

On earth and rocks.

Cape Chudleigh, Hudson Strait. (Dr. R. Bell.) Bay of Islands, Newfoundland. (Waghorne.) Barren Grounds, Lat. 61°, Long. I04°,W. (J.W. Tyrrell) On earth, Lake Nipigon, July, 1884; on earth along Jumping Pound Creek, Rocky Mountains, June, 1897; on rocks at Hastings, Burrard Inlet, B.C.; on Sea's farm, Victoria, Vancouver Island. (Macoun.) Chilliwack Valley, B.C., 1901; Unalaska and Kadiak Island, Alaska, and St. Paul Island, Behring Sea. (J. M. Macoun.)

292. C. pyxidata, (Linn.) Fr.

On earth, rocks, logs and stumps; common everywhere.

Greenland. (Arct. Man.) Arctic America. (Richardson.) Nottingham Island, Hudson Strait. (Dr. R. Bell.) On earth at Clearwater Lake, Labrador, July, 1896. (A. P. Low.) Labrador or Newfoundland. (Waghorne fide Eckfeldt) Canaan Forks, Queen's Co., N.B. (J. Moser.) On rocks, Rigaud Mountain, Vaudreuil Co., Que. (Rev. G. Ducharme) At Edmonton, Ont. (James White.) On old logs and earth, Credit Forks and at Stony Lake, Peterborough Co., Ont. (Thos. Walker.) On earth, east end of Sable Island, N.S., July, 1899; common on earth and logs at Baddeck and Margaree, Cape Breton Island, N.S., 1898; along Jupiter River, Anticosti, Que.; at Cape Rosier, Gaspé Co., Que.; common around Ottawa, Ont.; quite common at Belleville, Ont.; on earth, Queenston Heights, Ont., May 19th, 1901; on rocks, Algonquin Park, Ont., June, 1900; abundant at Thunder Bay, Lake Superior and along Lake Nipigon; Red Deer River and Lake Winnipegosis, Man.; in woods at Banff, Jumping Pound Creek and Moose Mountain, Rocky Mountains; at Deer Park, Lower Arrow Lake, Columbia River, B.C.; on old logs at Kamloofs, B.C.; common at Victoria and on Mount Arrowsmith, Vancouver Island. (Macoun.) Thurlow Island, Gulf of Georgia, B.C. (Dr. G. M. Dawson) On St. Paul Island, Behring Sea. (J. M. Macoun) Chamisso Island; Eschscholtz Bay, and Elephant Point; Aliaska Peninsula, Alaska. (Rothrock.) Kotzebue Sound, Alaska. (Turner)

Var. Pocillum, Ach.

Labrador or Newfoundland. (Waghorne fide Eckfeldt) Great Bear Lake, Arctic America. (Richardson) On ofen prairie at

Old Wives' Creek, Assa.; on earth at the base of trees, Bragg's Creek, Rocky Mountains, 1897; on earth, Rockcliffe Park, Ottawa, Ont. (Macotin.) Islands of Behring Strait. (Wright.) Cape Vancouver, Unalaska Island, and St. George Island, Behring Sea. (J. M. Macoun.)

293. C. fimbriata, (Linn.) Fr.

On earth and rotten logs, quite common.

Greenland. (Arct. Man.) Arctic America. (Richardson.) On earth, Clearwater Lake, Labrador, 1896. (A. P. Low.) On stones, L'Anse au Clair, Labrador; also John's Beach, Newfoundland. (Waghorne.) On earth at Edmonton, Ont. (James White.) On earth, rather rare, Sable Island, N.S., July, 1899; on old stumps at Baddeckand Margaree, Cape Breton Island, N.S., July, 1898; on earth, Cape Rosier, Gaspé Co., Que.; rather common on logs and stumps around Ottawa, Ont.; on dead wood, Seymour West, Northumberland Co., Ont.; on old stumps, Algonquin Park, Ont., June, 1900; rotten wood along Nipigon River, Ont.; on earth and logs, Lake Winnipegosis, Man.; on earth Cypress Hills, Assa.; on earth at Agassiz, B.C.; on old logs, Deer Park, Lower Arrow Lake, Columbia River, B.C.; on earth at Victoria and Nanaimo, Vancouver Island. (Macoun.)

Var. tubaeformis, Fr.

Very common on rotten wood.

On rocks, L'Anse au Clair, Labrador. (Waghorne.) Along the Tobique River, N.B. (G. U. Hay.) On old logs and stumps at Baddeck and Margaree, Cape Breton Island, N.S., July, 1898; on old logs at Britannia, Dow's swamp and other localities near Ottawa, Ont.; on earth and rotten logs, Belleville, Hastings Co., Ont.; on rotten logs, Seymour West, Northumberland Co., Ont.; on old logs, Algonquin Park, Ont., June, 1900; on earth at Lake Nipigon, Ont.; Port Colborne, Lake Erie, Ont.; on rotten logs, Lake Winnipegosis, Man.; on rotten logs, Cypress Hills, Assa.; on earth at Hector, and on old logs along Jumping Pound Creek, Rocky Mountains; on old logs at Revelstoke, B.C.; on earth, Deer Park, Lower Arrow Lake, Columbia River, B.C.; on earth on rocks at Agassiz, B.C.; on dead wood at Comox, Vancouver Island. (Macoun.) Crow's Nest Pass, Rocky Mountains; Adam's Lake Mountains, B.C.; Deceit Bay, Gulf of