22 The Ottawa Naturalist. [December 



LI. CAMPTOTHECIUM, Schimp. 



140. C. nitens, Schimp. 



Abundant in the Mar Bleue ; also in Dow's Swamp, June 4th, 

 1884. 



LII. BRACHYTHECIUM, Schimp. 



141. B. laetum, Brid. 



A common species on stones in woods around Ottawa ; on 

 boulders in woods at the south end of Cowley's Farm, west of Hinton- 

 burg, April 18th, 1896. Fruiting. 



142. B. digastrum, C. M. and Kindb. 



Tufts largely cohering, olive-green, not shining. Stem rigid, sub- 

 pinnate or irregularly branching, radiculose below ; branches sub 

 julaceus, obtusate. Stem-leaves when dry loosely appressed or sub- 

 imbricate, crowded, patent or subsecund when moist, decurrent, not 

 auricled, plicate, biventrose, ovate and short-acuminate with the acumen 

 flexuous or when dry serpentino-corrugate, borders more or less re- 

 curved but not refixed, subentire or faintly denticulate above ; lower 

 basal cells wide and sub-rhombic, the alar rather quadrate-rectangular 

 and not very distinct, the upper conflate, small, very chlorophyllose, the 

 inner median sublinear, the others oblong-lanceolate ; costa thick and 

 subflexuous, long and vanishing near the acumen. Branch leaves 

 ovate-oblong, more distinctly revolute at the borders, denticulate at the 

 acumen and narrower areolate. Female flowers small, inner perichetial 

 leaves filiform-acuminate with the acumen arcuate, long-costate and 

 denticulate. Capsule asymmetric sub-cylindric, curved ; lid long-conic ; 

 pedicel smooth 1-2 cm. long. Peristomial teeth conicconnivent when 

 moist, dark red-brown below, very much longer than in the middle 

 open segments ; cilia nodulose not apendiculate, annulus none. 

 Monoecious.. Habit of Leucodon julaceus. 



On rocks in McKay's Woods near south end of the lake, Oct. 

 1 2th, 1889. Fruiting. 



143. B. acuminatum, (Beauv.) 



On earth in McKay's Woods between the old entrance to Beech- 

 wood Cemetery and the lake ; also on logs at Carleton Place. 



144. B. salebrosum, Bruch and Schimp. 



On stones in damp woods north of Beechwood Cemetery, Oct. 

 i6th, 1884 ; on stones at the rear of Cowley's Farm, west of Hinton- 

 burg, April i8th, 1896. 



145. B. acutum, (Mitt.)Sulliv. 



On earth in wet woods north of Beechwood Cemetery ; also in 

 damp woods along the Beaver Meadow west of Hull, Que., Oct. 12th, 

 1891. 



