70. L. incisa, (Schrad.) Dumort.

Miquelon Island, Gulf of St. Lawrence. (De ŕmare.) On earth and dead wood, Jupiter River, Anticosti; on old logs at Truro,

N.S.; on old logs, Gaspé Coast, Que.; on earth and rotten wood at Margaree and Louisburg, Cape Breton Island, N.S., July, 1898; on rocks and rotten wood Algonquin Park, Ont., June, 1900; on rotten wood at Ottawa, Ont.; on logs on the borders of swamps at Belleville, Hastings Co., Ont.; on old logs at Nipi-gon River, Lake Superior; on rotten logs, Pic Island, Thunder Bay, Lake Superior; on old logs in woods at Revelstoke, B.C. , on dead wood, House Mountain, near Lesser Slave Lake, Atha.; on dead wood, Rocky Mountain Canon, Peace River, Lat. 56o; on old logs at Hector, Rocky Mountains; on dead wood at Roger's Pass, Selkirk Mountains, B.C.; on old logs west of Fraser River at Quesnel, B. C.; on rotten wood at Hastings, Burrard Inlet, B.C.; on old logs at Esquimault, near Victoria, Vancouver Island; on rotten logs at Comox, Vancouver Island. (Macoun.) On Mount Queest, Shuswap Lake, B.C.; Chilliwack Lake, B.C. (J. M. Macoun.) Hot Spring near Sitka, Juneau, Columbia Fiord, Orca, Kadiak Island, Hall Island and Cape Nome, Alaska. (Evans.) On Sphagnum, Klondike, Yukon, Sept. 18, 1898. (Williams.) Scoresby Sound, East Greenland. (C. Jansen.)

71. L. ventricosa, (Dicks.) Dumort.

Labrador, collected by Waghorne. (Underwood) On earth, Seal Lake, Labrador, August, 1896. (A. P. Low.) Alaska. Krause.) On rotten wood, Jupiter River, Anticosti; on earth and old logs, common along the Gaspé coast and up Ste. Anne des Monts River, Gaspé Co., Que.; quite common at Woodstock, N.B., July, 1899; on rotten wood and earth at Baddeck, Margaree and Louisburg, Cape Breton, N.S., July, 1898; quite common on old logs, Algonquin Park, Ont., June, 1900; on old logs, Owen Sound, Ont.; on rocks, Humboldt Island, Lake Nipigon; on an old log, Birch Island, Lake Huron, Aug. 26th, 1901; on dead wood, Red Rock, Lake Superior; on House Mountain, near Lesser Slave Lake, Atha., Sept. 19th, 1872; on dead wood at Belleville, Hastings Co., Ont.; on logs at "the gap," Crow's Nest Pass, Rocky Mountains, 1897; on earth at Lake Louise, near Laggan, Rocky Mountains; on old logs, Rocky Mountain Canon, Peace River, Lat. 56o; on dead wood, McLeod's Lake, B.C., Lat. 55o; on rotten wood at Revelstoke, Columbia River, B.C.; on earth and old logs, Eagle Pass, B.C., and on mountains north of Griffin Lake, Eagle River, B.C.; on rocks, Parson's Mountain, near Victoria, and on logs at Union Mines, Comox, Vancouver Island. (Macoun.) Vancouver Island. (Lyall.) On Mount Queest, Shuswap Lake, B.C. (J. M. Macoun.) Juneau, Sitka, Douglas Island, Virgin Bay, Columbia Fiord, Port Wells, Orca, Yakatut Bay, Kadiak Island and Port Clarence, Alaska. (Evans.) Pofoff Island. (Townsend.) St. George Island, Behring Sea and Nagai Island, Shumagin Group, Alaska. (J. M. Macoun) Scoresby Sound, East Greenland. (C.Jansen)

Var. porphyroleuca, Nees. (Scarcely a variety.)

On rotten wood along the Gaspé Coast and along Ste. Anne des Monts River, Gaspé Co., Que.; on old logs at Belleville, Hastings Co., Ont.; on rocks northeast coast of Lake Superior; on dry rocks, Lake Nipigon and on Humboldt Island in same lake; on rocks, Pine Portage, Dawson Route, west of Lake Superior*; on rotten logs at Donald, Columbia River, B.C.; on rotten wood, mountains north of Griffin Lake, Gold Range, B.C.; on old logs west of the Fraser River at Quesnel, B.C.; on dead wood at Hastings, Burrard Inlet, B.C. (Macoun.) Scoresby Sound, East Greenland. (C.Jansen.)

Var. longiflora, Nees. (Scarcely a variety.)

On old logs, coast of Gaspé, Que., August 8th, 1882. (Macoun,)

Another variety not yet named, was collected on old logs, Salt Spring Island, Gulf of Georgia, B.C., May 9th, 1887.

72. L. guttata, (Lindb. & Arnell) Evans.

Point Gustavus, Glacier Bay, Columbia Fiord, and Kadiak Island, Alaska. (Evans.)

73. L. alpestris, (Schleich.) Evans; Collins, Rhodora 3. 181, 1901.

At Godthaab, West Greenland. (Warming & Holm.) Summit of Mount Albert, Gaspé Co., Que.; on stones in brooks, east coast of Lake Superior, July 28th, 1869; on rocks, mountain north of Hector, Rocky Mountains; on rocks in Roger's Pass, Selkirk Mountains, B.C.; on earth, Mount Mark, Vancouver Island. (Macoun) Scoresby Sound, East Greenland. (C.Jansen,)

74. L. longidens, (Lindb.)

On wet rocks, Smoky Mountain, Cape Breton Island, N.S., Aug. 3rd, 1898. Mixed with L. ventricosa. (Macoun.)

75. L. plicata, (Hartm.)

Along the sea shore at Upernivak, Greenland. (Ussing.)

76. L. Wenzellii, (Nees.) Steph.

Sukkertofpen, Greenland, Aug. 1884. (Warming & Holm.) Scoresby Sound, East Greenland. (C.Jansen.)

77. L. obtusa, (Lindb.) Evans. Juneau, Alaska. (Evans.)

78. L. inflata, (Huds.) M. A. Howe.

Miquelon Island, Gulf of St. Lawrence. (Delŕmare.) Greenland. (Vahl.) Labrador. Collected by Waghorne. (Underwood.) On wet earth and rocks, Smoky Mountain, near Aspy Bay and Louisburg, Cape Breton Island, N.S., July, 1898; very abundant on damp earth near No. II. Station, Sable Island, N.S., Aug. 3, 1899; on boggy ground, summit of Mount Albert, Gaspé Co., Que.; on damp rocks, at the "hole in the wall," Tudor, Hastings Co., Ont., July 13th, 1865; on roots of trees in marshes, northeast coast of Lake Superior, July 27th, 1869; in bogs, Sundance Creek, Banff, Rocky Mountains; on damp rocks, Roger's Pass, Selkirk Mountains, B.C. (Macoun.) Kadiak Island, and St. Michael's, Alaska. (Evans.) (Scoresby Sound, East Greenland. (C.Jansen.)

79. L. Hornschuchiana, (Nees.)

In a bog at Lake Louise, near Laggan, Rocky Mountains, Aug. 20th, 1891. (Macoun.)

80. L. capitata, (Hook.)

On earth and rotten wood, Roger's Pass, B.C.,August 21st, 1885; on earth and rocks on mountains north of Griffin Lake, Gold Range, B C.; on rotten wood west of Fraser River at Quesnel, B.C. (Macoun)