WACouN.] CATALOGUE OP CANADIAN PLANTS. 169 



(638.) L. cyrtophylla, Kiudb. (n. sp.) 



Tufts dense, dark green or brown, not shining. Stems irregularly 

 branching, filiform, with few rhizoids. Leaves nearly uniform, very 

 small, appressed when dry, open-erect when moist, concave, from a 

 broad rotundate-ovate base short-acuminate, entire, faintly papillose, 

 borders reflexed below ; cells rotundate, sub-hyaline ; costa indistinct 

 or none. Dioecious. Capsules not found. 



The allied Leskea (Pseudoleskea) catenulata and Leskea (Heterocla- 

 dium) papulosa, Lindb., both differ in the costate leaves. 



On rocks on islands in Lake Nepigon, July 10th, 1884. (Macoun.) 



(639.) L. subobtusifolia, C. M. & Kindb. (n. sp.) ; Canadian 

 Musei, ISTo. 533. 



Plants loosply tufted, yellowish green or fuscescent. Stem sparingly 

 radiculose, irregularly divided, beset with paraphyllia ; branches 

 curved at apex. Leaves distant, decurrent, entire, distinctly papillose 

 at back, loosely appressed when dry, very patent when moist, margins 

 recurved at the base ; stem-leaves broadly ovate, obtuse or subacute, 

 branch-leaves oblong, obtuse ; cells round, the alar q^uadrate ; costa 

 sub-percurrent. Capsule oblong, inclined, subcurvate ; lid short, 

 mammillate ; calyptra narrow, cucuUate : pedicel about 1 cm. long. 

 Perichetial leaves large, short, ovate-lanceolate, short-acuminate, 

 costate. Monoecious. This species resembles Leskea obscura. 



On trees subject to inundation at the mouth of Pass Creek, near 

 Sproat, Columbia Eiver, B.C., June 19th, 1890; also on trees at]!^elson, 

 Kootanie Eiver, B.C. 1890. {Macoun.) 



(640.) L. nervosa, Myrin ; Lesq. & James, Mosses of IST. America, 

 302 ; Canadian Musci, ~No. 252, in part. 



Battle Harbor, Labrador. (Hev. A. fVaghorne.) On trees at Frederic- 

 ton, N.B. (Fowler's Cat.') On rocks at the mouth of Michaud Eiver, 

 Eimouski Co., Que. (J. A. Allen.) Tay, York Co., N.B. (J. Moser.) 

 On trees. Grand Btang, Gasp^ Co., Que. ; also on Mount Albert, Gasp^, 

 Que. ; on trees at Ottawa, Belleville and Owen Sound, Ont. ; and on 

 trees on Gaulois Point, Lake Superior ; on trees, Swan Lake House 

 and Point Wilkins, Lake Winnipegoosis, Man. ; on rocks, ' Dry Caia'on," 

 discharge of Devil's Lake, Eocky Mountains ; on trees at Pass Creek 

 near Sproat, B.C. ; also on rocks at Yale, B.C. (Macoun.) On trees, 

 Buffalo Lake, N.W.T. (J. M. Macoun.) 



