I/O The Ottawa Naturalist. [December 



LI. CAMPTOTHECIUM, Schimp. 

 140. C. nitens, Schimp. 



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

 1884. 



LII. BRACHYTHECIUM, Schimp. 

 14T. 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 i8th, 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 

 fiexuous or when dry serpentino-coi rugate, borders more or less re- 

 curved but not reflxed, 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 oi Leucodon julaceus. 



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

 i2lh, 1889. Fruiting. 



143. B. acuminatum, (Reauv.) 



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.) SuUiv. 



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

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



