625 P. brachypterum, Mitt.
On the trunk of Ostrya Virginica, near Hemlock Lake, Beech-wood, Ottawa, Ont., May 16th, 1900. (Macoun.)
1113. H. canadense, Kindb., Revue Bryol.; 1899, 2.
Branch-leaves small, crowded and appressed, broadly ovate-apiculate, dentate nearly all around, narrowly limbate by hyaline narrow cells; other cells subrhombic, about 0.02 mm.; costa short; amphigastria rotundate, dentate limbate; costa confluent with the point. The naked part of the stem about 1 cm., the upper one scarcely longer. Capsules and male plants unknown.
On rocks near the coast in company with Asplenium viride, Skiddegate, Queen Charlotte Islands. Apparently rare. June, 1898., B.C. (Dr. C. F. Newcombe.)