131. S. crocea, (Linn,) Ach.

On earth in alpine districts.

Greenland. (Branth.) West Greenland. (Rosenvinge.) On earth, King George's Sound Baffin Bay, 1897; Cape Chudleigh, Hudson Strait. (Dr. R. Bell.) Labrador. (Wenck.) Venison Tickle, Labrador. (Waghorne.) North of Point Lake, Barren Grounds. (Richardson.) On earth at Banff, on Moose Mountain, Elbow River, at Lake Agnes, and on rocks, summit of mountain, north of Kicking Horse Lake, Rocky Mountains; on earth, mountains north of Griffin Lake, Gold Range, B.C.; on earth, Sky Line mine, Kootenay Lake, B.C.; on rocks, summit of Mount Benson, Nanaimo, Vancouver Island. (Macoun.) St. Paul Island, Behring Sea. (J. M. Macoun.) Shores of Behring Strait. (Wright.)

132. S. saccata, (Linn.) Ach.

On earth, especially in calcareous regions.

Greenland. (Vahl.) L'Anse au Clair, Labrador; Benoit's Cove and John's Beach, Newfoundland. (Waghorne.) Newfoundland. (Pylaie.) Great Bear Lake. (Herb. Hooker.) On earth, Tobique River, N.B. (G. U. Hay.) Ste. Anne des Monts River, Gaspé Co., Que.; crevices of limestone rocks, Rockcliffe Park, Ottawa, Ont.; on limestone rocks, Heeley's Falls, Northumberland Co., Ont.; on rocks at Michipicoten, east side of Lake Superior, and on earth, Lake Nipigon; on earth at Morley, Jumping Pound Creek, and at Hector, both by the torrent and high up on the mountain, Rocky Mountains; on House Mountain, near Little Slave Lake, Atha. (Macoun.) Along Clearwater River, above

Fort McMurray, Atha. (J. M. Macoun.) Shores of Behring Strait. (Wright.)

Var. spongiosa, Nyl.

Arctic America and Greenland. (Tuckerman.) Newfoundland. (Nylander.) On earth in crevices of limestone rocks, Gunn River, Anticosti, Aug. 29th, 1883; on earth, Moose Mountain, alt. 7,000 feet, Rocky Mountains, July 2nd, 1897. (Macoun.) Islands at Behring Strait. (Wright.)