85. Psilopilum, Brid

(574.) P. arcticum, Brid. St. Paul Island, Behring Sea. (Palmer.)

86. Poconatum, Beauv

(577.) P. dentatum, Brid.

On earth along the Canadian Pacific Railway at Albert Canon, Selkirk Mountains. (Macoun.)

Place P. contortum, Canadian Musci, No. 430, under P. atrovirens, as a synonymn.

87. Polytrichum, Linn

(595.) P. commune, Linn. var. perigoniale, Bruch & Schimp. On banks in woods at Britannia, six miles west of Ottawa. (Macoun.)

Note. - Polytrichum formosum, Hedw. = P. attenuatum, Menz.; Kindb. Laubm. Schwed. Novw. p. 54.

" Polytrichum sylvaticum, Menz.=P. arcticum, Swartz, Musc. Suec. = P. ambiguum, Michx. = P. alpinum var. arcticum," C. Mueller, synops. muscor. frond. I. p. 211.

89. Buxbaumia, Hall

(951.) B. indusiata, D. E. Eaton, Coutl. Bot. Gaz. Vol.

On earth by rotten wood at Revelstoke; and on rotten wood at Hastings, B.C. Referred to B. aphylla on page 157.

90. Fontinalis, Dill

(598.) F. antipyretica, Linn.

In the west end of Loughborough Lake near Kingston, Ont. (Prof. Lawson,)

91. Dichelyma, Myrin

(606.) D. Obtusulum, Kindb. Fredericton, N.B. (Prof. Fowler.)

98. Pterigynandrum, Hedw

(623.) P. flliforme, Hedw.

White Bay, Newfoundland. (Rev. A. Waghorne.)

105. Leskea, Hedw

(637.) L. nervosa, Myrin. White Bay, Newfoundland. (Rev. A. Waghorne.)

110. Homalothecium, Bruch & Schimp

(661.) H. corticola, Kindb.

Tufts dense, glossy. Stems pinnate, creeping; branches densely crowded, curved. Stem-leaves ovate, abruptly narrowed to the recurved or straight acumen; branch-leaves ovate-oblong acute or short-acuminate, straight; all leaves more or less denticulate and reflexed all around; alar cells quadrate, not numerous, the marginal ones also quadrate, the other oblong-rhomboidal, costa stout, vanishing above the middle; perichetial leaves entire, long-acuminate. Capsule cylindric-oblong, large, about 3 mm. long, slightly curved; teeth yellow; segments with a high basilar membrane; lid short-apiculate; pedicel rough, 1 cm. long. Monoecious.

Very much larger than Homalothecium subcapillatum and resembling Camptothecium pinnatiftdum.