147. P. ciliare, (Linn.) Nees.

Alaska. (Krause.) Miquelon Island, Gulf of St. Lawrence. (DelÓmare.) Greenland, Lat. 60° 30'. (Dr. Rosenvinge.) Barren Grounds, Lat. 62o 30', Long. 102o 45'. (J. W. Tyrrell.) Fort Chimo and Clearwater Lake, Labrador, July, 1896. (A. P. Low.) On Digge's and Nottingham islands, Hudson Strait. (Dr. R. Bell.) On old logs, Tobique River, N.B., July, 1884. (G. U. Hay.) Peat bog, Salt Lake, Anticosti; at Margaree and Baddeck, Cape Breton Island, 1898; on rotten wood, Brackley Point, Prince Edward Island; on earth, GaspÚ Co., Que., Aug. 10th, 1882; on old logs at Ottawa, Ont.; on rotten wood, Belleville. Hastings Co., Ont.; on dead wood, North Bay, Lake Nipissing, Algoma; on perpendicular rocks, Lake Nipigon; on old logs, Algonquin

Park, Ont., July, 1900; on old logs at Manitoba House, Lake Manitoba, Man.; on rocks, Kicking Horse Lake and Elbow River, Rocky Mountains; on old logs at Revelstoke, Columbia River, B.C.; also at Sicamous, Shuswap Lake, B.C. (Macoun.) On logs Chilliwack Lake, B.C.; Kadiak Island, Alaska. (J. M.Macoun.) Juneau, Virgin Bay, Port Wells, Kadiak Island, St. Matthew Island, Port Clarence, Unalaska and St. Michael's Alaska. (Evans.) Cn ground in woods, Dawson, Yukon, Sept. 7th, 1898. (Williams.) Scoresby Sound, East Greenland. (C.Jansen.)

148. p. pulcherrimum, (Web.) Hampe.

On logs, GaspÚ Co,, Que., Aug. 10th, 1882. (Macoun.) Scarcely distinct from P. ciliare.

149. P. Californicum, (Aust.) Pearson, List Can. Hep. p. 7.

On branches, twigs and trunks, in Eagle Pass, B.C.; on rocks, Hector, Rocky Mountains, B.C.; on logs in woods at Hastings, Burrard Inlet, B.C.; on the base of trees and on rotten logs, Sea's farm, Victoria, 1875; on rocks, Mount Benson, Nanaimo, and on old logs, Union Mines, near Comox, Vancouver Island. (Macoun.) On old logs, Carmanah Bay, Vancouver Island; Prince of Wales Island, Alaska, Oct. 1st, 1891. (J. M. Macoun) Sitka, Virgin Bay, Port Wells, Orca and Columbia Fiord, Alaska. (Evans.)