105. S. amplissima, (Scop.) Mass.

On trunks of trees and rocks, quite common.

Arctic America. (Richardson.) Labrador. (Waghorne.) On trees at Canaan Forks and Never's Rapids, Queen's Co., N.B. (J. Moser.) On trees, Tobique River, N.B. (G. U. Hay.) Quite common at Baddeck and Big Intervale, Margaree, Cape Breton Island, N.S., July, 1898; at Truro, N.S.; on trees, Jupiter River, Anticosti; at Ste. Anne des Monts River, Gaspé Co., Que.; on trunks in woods, Ottawa, Ont.; at Belleville, Ont.; on trees,

Foster's Flats, Niagara Falls, May 16, 1901; abundant on trunks of trees, Algonquin Park, Ont, June, 1900; at Goulais Point, east coast of Lake Superior. (Macoun.) On Rigaud Mountain, Vau-dreuil Co., Que. (Rev. G. Ducharme.) On trees at Credit Forks, near Toronto, and at Stony Lake, Peterboro' Co., Ont. (James White.)

106. S. herbacea, (Huds.) Ach.

Labrador. (Waghorne fide Eckfeldt.)

107. S. aurata, (Smith) Ach. Labrador. (Waghorne fide Eckfeldt)

108. S. pulmonaria, (Linn.) Ach.

On trees and rocks; quite common.

L'Anse au Mort, Labrador. (Waghorne.) Newfoundland. (Py-laie.) On trunks, Bald Mountain, Tobique River, N.B. (G. U. Hay.) On Empetum nigrum, Sable Island, N.S. There are no trees on the island and this species and S. scorbiculata grow close to the ground on dead stems; on trees at Baddeck and in many other places, Cape Breton Island, N.S., July, 1898; on rocks at Truro, N.S.; on trees, Jupiter River, Anticosti; Ste. Anne des Monts River, Gaspé Co., Que.; on trees at Ottawa, Ont.; at Belleville, Ont.; on trees, Jordan Station, Lincoln Co., Ont., May 17, 1901; on a fallen log in a swamp at Guelph, Ont.; on tree trunks in Algonquin Park, Ont., June, 1900; on trees Current River, Lake Superior; on trees, Hastings, Burrard Inlet, B.C.; common on trees at Victoria, Nanaimo and Comox, Vancouver Island. (Macoun.) On Rigaud Mountain, Vaudreuil Co., Que. (Rev. G. Ducharme.) On trees along the River Rouge, Que. (D'Urban.) On bases of beech trees at Edmonton, Ont. (James White.) On beech trees, Norton's Wood, Brampton, Ont. (T. Walker.) Alert Bay, Vancouver Island. (Dr. G. M. Dawson.)

Var. linita, Nyl.

On islands in Behring Strait. (Wright.) On rocks on St. Paul Island, Behring Sea; on Prince of Wales Island, Alaska. (J.M. Macoun.) On rocks near Victoria, Vancouver Island, 1875. (Macoun.

6 1/2

109. S. Oregana, Tuckerm.

On trees (high up) in woods.

At Hastings, Burrard Inlet, B.C.; on trees at Goldstream and Nanaimo, Vancouver Island. (Macoun.) Chilliwack Valley, B.C., 1901; on trees at Cape Beale, Vancouver Island; Port Etches and Prince of Wales Island, Alaska. (J. M. Macoun.) Alert Bay, Vancouver Island. (Dr. G.M.Dawson.)

110. S. quercizans, (Michx.) Ach.

Northward to Canada, always infertile. (Tuckerman.) Labrador. (Waghorne.) We have no Canadian specimens in our herbarium.

111 S. fuliginosa, (Dicks.) Ach.

On rocks and trunks, British Columbia. (Lyall.) On rocks, Victoria Arm, near Victoria, Vancouver Island, May 6th, 1893. (Macoun.)

112. S. limbata, (Smith) Ach. Labrador. (Waghorne fide Eckfeldt.)

113. S. crocata, (Linn.) Ach.

On rocks among mosses, but occasionally on trees.

Quite common on trunks in woods at Baddeck, Cape Breton Island, N.S., July, 1898; on trees, Truro, N.S.; on rocks, Gaspé coast, Que.; on rocks, rare, Algonquin Park, Ont., July, 1900; on rocks, Thunder Bay, Lake Superior, and on rocks, Lake Nipigon, Ont.; on trees at Revelstoke, Columbia, River, and at Hastings, Burrard Inlet, B.C.; on rocks, Burnside Road, Victoria, Vancouver Island. (Macoun.)

114. S. anthraspis, Ach.

Among mosses on rocks, and on trunks.

On trunks, Mount Finlayson, and on Sea's farm, Victoria, and on rocks, Burnside Road, Victoria, Vancouver Island, 1893. (Macoun.) Deceit Bay and Redonda Island, Gulf of Georgia, B.C. (Dr. G. M. Dawson.)

115. S. scorbiculata, (Scop.) Ach.

Among mosses on rocks and on tree trunks.

Greenland. (Branth.) Labrador. (Waghorne.) Newfoundland. (Pylaie.) On trunks, Canaan Forks, Queen's Co., N.B. (J. Moser.) On rocks, Tadousac, Que. (A. T. Drummond.) On Empetrum nigrum, Sable Island, N.S., August 8th, 1899; on trees at Baddeck and Big Intervale, Margaree, Cape Breton Island, N.S., July, 1898; on rocks, Truro, N.S.; on trees, Jupiter River, Anticosti; on trees, St. Anne des Monts River, Gaspé Co., Que.; on rocks, Algonquin Park, Ont., July, 1900; on trees at Revelstoke, B.C.; on rocks, Burnside Road, Victoria, Vancouver Island. (Macoun) British Columbia. (Lyall) On rocks, Pease Island, Gulf of Georgia, B.C. (Dr. G. M. Dawson.)