194 The Ottawa Naturalist. [February 



1 68. p. turfaceum, Lindb. 



Common on stumps in Dow's Swamp,Oct. 20th, 1885 ; on stumps 

 at Carleton Place, May 30th, 1884: and on stumps " Pine Hill," 

 Rockliffe Park, April i6th, 1896 ; on stumps west of Hull, Que., Oct. 

 24th, 1884. 



169. P. denticulatum, (L.) Bruch and Schimp. 



On the bases of trees at Britannia, Sept. nth, 1890.; in the 

 swamp north of Beechwood Cemetery, Oct. 12th, 1889; on stumps in 

 the Swamp along Bank street, on the Glebe property, April 27th, 1896; 

 on earth Eastman's Springs, Aug. 26th, 1890 ; on base of trees Carle- 

 ton Place, Oct. 30th, 1884. 



170. P. sylraticum, Bruch and Schimp. 



On earth in damp woods borders of Uow's Swamp, Oct. i6th, 

 1884.; also in wet woods at Britannia, Sept. 14th, 1891. 



171. p. SuUivantiae, Schimp. 



On earth on limestone ledges along the cliff north side of Rock- 

 liffe Park, May 7 th, 1896; on earth at the roots of trees Meeche's 

 Lake, north of Chelsea, Que., Sept. 23rd, 1893. 



172. P. membranosum, Kindb. 



Tufts dense, green and glossy. Leaves distichous, crowded and 

 patent, flat, ovate-oblong, acute or short-acuminate, estriate, entire or 

 denticulate above the middle, decurrent ; cells very long and narrow, 

 the alar large hyaline and subquadrate ] costa none or obsolete. 

 Capsule cylindric-obovate, horizontally curved ; teeth yellow ; pedicel 

 smooth, 2 cm. long. Lid unknown. Probably dioecious. 



On dead wood in Dow's Swamp, Oct. tyth, 1884. 



173. P. brevipungens, Kindb. 



Tufts dense, dark green. Stems prostrate, irregularly pinnate ; 

 branches attenuate. Leaves crowded, scarcely decurrent, ovate-oblong, 

 acute or short-pointed, auricled, not plicate nor reflexed on the borders, 

 entire or slightly denticulate at the apex ; upper cells long and narrow, 

 the alar very distinct, quadrate, inflate and hyaline ; costa very short, 

 thick and simple or none. Capsule curved ; lid short, conical ; pedicel 

 smooth. Monoecious. 



On stones in McKay's Woods opposite the entrance to Beechwood 

 Cemetery, May 21st, 1885. 



174. P. attenuatirameum, Kindb. 



Tufts green, faintly shining, loose, with few rhizoids. Primary 

 stem very short ; branches elongate, long-attenuate, finally flagelliform. 

 Leaves sub-distichous, the lower broadly ovate, obtuse or obtusate 



