— 378 — 
limbate, nearly crowded, sometimes short-decurrent: comal glo- 
merate; upper cells subrhombic; costa often abbreviate. Cap- 
sule thick round-oval or subobovate, somewhat long-necked and 
constricted below mouth, reddish brown; teeth broader than in 
B. pendulum; segments also orange, adhering; pedicel about 1 
c. m. long, scarcely emerging above tufts. Fruiting stem di- 
stinct and tomentose; shoots short. — Arctic district r. Amer. 
Alaska: J. M. Macoun. 
b. Spores somewhat small, about 0,02 m. m. Leaves not 
decurrent. 
 139.B.laeustre Blandow. — »B. Barnesi Wood»: Limpricht. 
Leaves ovate-oblong short-acuminate acute not or indistinctly 
limbate, broadly recurved nearly all around, entire; costa gen. 
subpercurrent. Capsule small suboval short-necked; lid small; 
teeth pale yellow; pedicellong. Stems very short, loosely tufted; 
shoots filiform. — Wet sand often near lakes, princ. below alps. 
Eur. not r. Norway! Finland: Lindberg. Germany: Warnstorf. 
England: Rogers. T 
140.B.Knowltoni Barnes bot. gazette 1889. 
»Leaves ovate to obovate-lanceolate short-acuminate, us. in- 
distinctly limbate, slightly revolute or plane, entire or nearly 
80; costa not or shortly excurrent. Capsule oblong-piriform; 
cilia rudimentary; lid small; pedicel about 1 c. m. long. Tufts 
dense and tomentose, 1—2 c. m. high. Spores about 0,025 
m. m. —- Crevices in rocks r. Amer. nn) N. Foundl.»: Barnes. 
141.B.flexuosum Austin. 
Differs from B. lacustre in leaves E red not reflexed; cap- 
sule narrower; lid large; tufts dense less low.  Dioecious. — 
Gravelly ground near water r. Amer. Can. Brit. Col: Macoun. 
B. Leaves broadly limbate, loosely disposed and decurrent 2 
(at least the lower). Us. monoecious. E 
142.B.Moéi Schimper. 
»Leaves very narrow, ovate-lanceolate long-acuminate entire: 
upper reflexed; apical cells suboblong; costa long-excurrent. 
Capsule thick suboval not constricted; lid small flat mamillate; d 
teeth orange. Tufts sparingly radiculose, 2 e. m..high. =a 
Northern alps r. Hur. Norway: N. G. Moé»: e and : v 
Limpricht. 
143.B.paludieola Schimper. 
»Lower leaves small, subovate short-acuminate acute, ibosi? 
disposed: upper somewhat large, crowded, gen. broad: Maka 
flexed all around, yellow-limbate; costa short-excurrent. Cap- 
