1910] The Ottawa Naturalist. 1S5 



64. Bryum pendulum * longipes. 



Differs in its narrow capsule with a mamillate lid, costa of 

 leaves short-excurrent. 



On earth at Laggan, eastern slope of Rockv Mountains, 

 altitude 5,200 feet, June 26th, 1904. No. 132. 



65. Bryum subpercurrentinerve. 



Leaves crowded, concave, not decurrent, diversiform, entire, 

 not large, twisted when dry; cells dilated subrhombic; costa red. 

 Older leaves with red insertion. Upper stem-leaves oval-oblong 

 subacute, mostly limbate and reflexed; costa percurrent or 

 rarelv short-excurrent. Shoot-leaves and lower stem-leaves oval, 

 not distinctly limbate, slightly or not reflexed, very obtuse, 

 arrounded at the apex; costa not percurrent. Capsules not 

 seen; pedicel capillary, 1.5 to 2 cm. long. Dioecious. Tufts 

 dense, green above, 2-3 cm. high. 



Very peculiar in the round-obtuse shoot-leaves with their 

 abbreviate costa. 



Bogs along Pipestone Creek, eastern slope of Rocky 

 Mountains, altitude 6,000 feet, July 8th, 1904. No. 89. 



66. Bryum (B. parvulum Ivindb in Revue Bryolgique) 



Macounii (New name). 



Capsule suboval, not constricted, brown and pendent, small, 

 neck longish; lid large convex mamillate, red and nitid; teeth 

 brown; endostomial segments entire, pale; cilia wanting; 

 pedicel 1 cm. long; spores about 0.03 mm. Leaves small and 

 short, ovate-oblong, short-acuminate acute, recurved and entire, 

 more or less limbate; insertion red; cells rhombic; costa red, 

 percurrent. Tufts low and compact; stems subgemmiform. 

 Svnoecious. Habit of Bryum archangelicum; it differs in monoecious 

 inflorescence, costa of leaves excurrent, etc. B. lacustre differs 

 in the small lid of the capsule, endostomial segments fenestrate, 

 narrower leaf-cells, loose tufts, etc. 



On wet earth and rocks at Gaspe Basin, Oaspe County, Que.. 

 August, 1907. Coll. John Macoun. 



67. Bryum (Webera vel Pohlia) obtusatum. 



Leaves small and distant but neither decurrent nor reflexed, 

 ovate-oblong or ovate, obtusate, generally obtuse; distinctly 

 denticulate to the middle; cells somewhat wide; costa abbrevi- 

 ate. Lower leaves shorter, round-obtuse, sometimes faintly rose- 

 red. Perichetial leaves suboblong shortish, not acuminate, 

 generallv obtuse, rarely subacute. Stem red. Shoots long with 

 capillary stem and short, much distant and patent leaves. Tufts 

 7 cm. high. Dioecious. Capsule not seen. 



