below alps r. Eur. Sweden, Norway! Amer. Can. Macoun, Greenl.: 
Berggren. 
20.C.trifarium Weber et Mohr. — Hypnum W. M. 
Leaves somewhat small, broad-ovate or subcircular, obtuse 
or subacute, brownish, strongly appressed when dry; lower 
basal cells short dilated, the others sublinear; costa sometimes 
simple. Capsule small suboblong or faintly curved; lid convex 
short-apiculate. Stems (branches) gen. very long and not tufted, 
not thick but very rigid when dry. Resembles C. stramineum 
— Peat-bogs r. Eur. Norway! Sweden: R. Hartman; O. W. Re- 
delius. Amer. Can. fruiting: Macoun. 
b. Stem not julaceous, sparingly radiculose. Leaves faintly 
denticulate above, short-acuminate somewhat distant; costa 
sometimes prolonged and simple. 
21.C.submolle Kindb. — Limnobion rev. bryol. 1895. 
Leaves with subovate base, sometimes acute, not falcate; 
cells linear, alar nearly indistinct. Tufts loose brown. Cap- 
sules unknown, — Rivulets in higher alp. region r. Eur. 
Norway in Snehstten: D:r P. Olsson. 
4. Montaniformia. 
A. Dioecious. Capsules unknown. Leaves dentate-serrulate. 
22.C.mieans Wilson. — Hypnum Wils.; Chrysobryum Lindb.; 
Sulliv. icon. musc. 
Leaves broad-ovate or subcircular obtuse or acute, sometimes 
short-acuminate, recurved below, serrulate to below middle, 
not or slightly curved, subdecurrent, crowded or subdistant; 
cells gen. suboblong, inner basal yellow; costa gen. short and 
double. Tufts brown with golden glossy branch-tops. — Wet 
rocks r. Eur. Irel: G. A. Holt. Amer. »U. S.»: Sulliv. 
B. Monoecious. Capsule small subovate or arcuate; lid obtuse; 
pedicel short. i 
a. Leaves crowded, not or indistinctly decurrent, denticulate 
at least above middle; costa us. short and double. 
23.C.pseud-arcticum Kindb. — Hypnum cat. Can. m. . 
ves broad-oval or subcircular. gen. obtuse, denticulate 
above middle, us. not distinctly faleate when moist; cells sub- 
linear-lanceolate except the hyaline alar. Tufts brown with 
green or glossy green branch-tops. Resembles a small variety 
9f C. palustre, which differs in entire leaves and not annulate 
Capsule, — Wet stones in subalp. region r. Amer. Can. Brit. 
J01.: un. 
24.C.montanum Wilson, — Hypnum- Wils. ; 
Leaves subovate acute apiculate or short-acuminate, denticulate 
