107. L. bidentata, (Linn.) Dumort.

On rotten logs, Eastman's Springs, 12 miles from Ottawa, Ont.; on old logs vicinity of Victoria, Vancouver Island, May 6th, 1875; on dead wood at Comox, Vancouver Island, April 29th, 1887. (Macoun)

108. L. minor, Nees.

On cliffs, Canaan Forks, Queen's Co., N. B. (Moser.) On limestone rocks and dead wood in the vicinity of Ottawa, Ont.; on rocks, Carleton Place, Carleton Co., Ont.; among moss on limestone rocks along the Moira at Belleville, Hastings Co., Ont., June 20th, 1867; on limestone rocks, Owen Sound, Ont.; on rocks at Otter Head and Pie Island, Lake Superior; on earth in woods at Revelstoke, Columbia River, B.C.; on earth at Quesnel, Fraser River, B.C.; on rocks, House Mountain, Lesser Slave Lake, Atha. (Macoun.)

109. L. Macounii, Aust.

On rotten wood along the Gaspé Coast, Gaspé Co., Que.; on rotten wood at Ottawa, Ont.; on rotten logs near Belleville,

Hastings Co., Ont., June 19th, 1866; on old logs along Nipigon River, Ont. (Macoun.)

110. L. cuspidata, (Nees) Limpr.

On rocks at Hector, Rocky Mountains, B.C., Aug. 14th, 1890; on rotten wood, Cedar Hill and Sea's farm, near Victoria, Vancouver Island; also on Rubus spectabilis at Comox, V.I. (Macoun.) Cape Fox, Alaska. (Evans.)

111. L. heterophylla, (Schrad.) Dumort.

Miquelon Island, Gulf of St. Lawrence. (Delaware.) On rotten wood, Brackley Point, Prince Edward Island; on earth in woods at Baddeck, Cape Breton Island, N.S., July, 1898; on logs, Woodstock, N.B., July, 1899; on roots of trees, Ste. Anne des Monts River, Gaspe Co., Que.; on rotten wood quite common at Ottawa, Ont.; on old logs at Belleville, Hastings Co., Ont.; on rotten wood, Seymour West, Northumberland Co., Ont.; common on rocks and old logs, Algonquin Park, Ont., June, 1900; on old roads, High Park, Toronto, and at Leamington, Ont., 1901; on rotten logs, Hector, Rocky Mountains, B.C. (Macoun.)