100. Antitrichia, Brid

1114. A. gigantea. (Sulliv. & Lesq.) Kindb., Revue Bryol. 1895. A. curtipendtda, Brid. var. gigantea, Cat. Can. Musci, p. 165.

On trees at Dyea Creek; on rocks at Skagway, Alaska. All sterile. (Williams.)

628. A. Californica, Sulliv.

Macouniella Californica, Sulliv.; Kindb. Bryol. N. Am. & Eur., 21.

Dyea and Dyea Creek, Alaska; fruiting. (Williams.)

101. Pterygophyllum, Brid

629. P. lucens, (Linn.) Brid.

Port Etches, Alaska, Lat. 60° 30', June, 1892. (J. M. Macoun.)

102. Fabronia, Raddi

1115. P. Ravenelii, Sulliv.; Lesq. & James Mosses of N. America, 295.

On earth at Old Wives' Creek and Wood Mountain, Assa., June, 1895. (Macoun.)

104. Myurella, Bruch & Schimp

634. M. julacea, (Vill.) Bruch & Schimp.

On rock, head of Lake Bennett, sterile; about roots of trees in damp places about Dawson. In fine fruit, April 23rd, 1899. (Williams.)

635. M. apiculata, Bruch & Schimp.

M. tenerrima, Brid.; Kindb. Bryol. N. Am. & Eur., 45.

On earth at the foot of rock ledges at Dawson, Yukon; in fruit. (Willams.)

636. M. Careyana, Sulliv.

M. gracilis, Welnmann; Kindb., Bryol. N. Am. & Eur., 45.

On the face of rocks and earth along Credit River, near Credit Forks, Ont., October, 1892. (Jas. White.) On rocks in a ravine, Big Intervale, Margaree, Cape Breton Is and, N.S., July, 1898. (Macoun.)

106. Lescuraea, Schimp

1118. L. frigida, Kindb.; Eur. & N. Am. Bryol., p. 26.

Leaves from a subovate base gradually narrowed to the long-subulate or filiform-pointed acumen, recurved to it and distinctly decurrent; cells sublinear except the quadrate alar cells; costa sometimes long-excurrent. Stem-leaves generally entire; branch-leaves serrulate at the whole acumen, sometimes short-acuminate and faintly mamillose. Capsules unknown. Stem subpinnate. Tufts dark brown or blackish, not glossy. Very distinct in its serrulate branch leaves and very narrow leaf cells.

On earth and rocks, Clearwater Lake, northern Labrador, July 31st, 1896. (A. P. Low.)