Marsupella sphacelata (Giesecke ex Lindenb.) Dumort.

sub Marsupella sparsifolia (Det: W.B.Schofield). Subalpine cliff. Mt. Seymour, Vancouver area, ca. 1100 m., 49 25' N., 122 55' W.

Northwestern Montana. Vertical bank of dried pond in alpine meadow along Hidden Lake Trail, Hanging Gardens, Logan Pass, alt. 7200 ft.

North shore of Parnet Lake Nadera Co., Cal.

sub Marsupella sparsifolia. Black mass on alpine rock face. Mt. Seymour, elev. ca. 4100'. North Vancouver.

sub Marsupella sparsifolia. On wet rochs at Nanaimo and on Mount Arronismoth, Vancouver Island, B.C. (Macoun: Canadian Hepaticae).

Over intermittently wet rocks, gorge of Whitewater R., ca 3 mi n.w.of Jocasee, Oconee Co., South Carolina. (Below the lower falls). Plants green; leaves as wide or wider than long, with rounded or obtuse lodes, but acute sinus. Con androecia, perianths.

sub Marsupella sphacelata. Over pebbles and coast opposite Hackett & Guilliams Is., Brooks Peninsula, Vancouver I., ca. 50 10' N., 127 50' W.

Damp, partly shaded rocks, Brasstown Bald, ca 4500 ft., Towns Co., Georgia.

On fairly dry, rather shaded soil Siskiyou Co.: in open to closed forests of noble fir, western white pine, brewer spruce and Alaska yellow cedar, ridges south of Cyclone Gap, Preston Peak quad. Sec. 8, T17N, R8W. Elev. ca. 5600 ft.