NA 
s UR a 
B. Leaves crowded decurrent; alar cells large hyaline. Lid 
of capsule long-conie acute or short conic rostellate. | 
5.R.membranosum Kindb. — Plagiothecium cat. Can. m. 
Leaves flat ovate-oblong acute or short-acuminate, entire or 
above middle denticulate, patent or spreading; cells linear exc. 
the alar. Capsule cylindric or obovate arcuate, not constricted; 
teeth yellow; pedicel not long. Tufts dense glossy green, not ` 
or sparingly radiculose. Dioecious. — Logs in swamps r. Amer. 
Can.: Macoun; White. 
lI. Pseud-Eurhynchium Kindb. 
A. Leaves crisped when dry; cells much dilated. 
Ineeuodfolioss Scopoli. — Hypnum Scop.; Rhynchostegium 
r. eur. 
Leaves somewhat distant, not decurrent; costa vanishing near 
middle. Stem-leaves ovate gradually short-acuminate, nearly 
entire; eells suboblong, alar not defined. Branch-leaves shorter, 
broad-ovate abruptly short-acuminate, minutely denticulate all 
around; cells oval. Capsule suboval not large; lid rostrate; pedicel 
short smooth. Stem creeping. Tufts green. Monoecious. — 
Stones r. Eur. south. districts. Switzerl., Italy! 
B. Leaves not crisped; cells gen. narrow. 
a. Leaves distant; alar cells large. Lid of capsule not ro- 
strate. : 
7.R.revelstokense Kindb. — Eurhynchium note on Can. bryol. 
Leaves ovate-lanceolate long-subulate denticulate plicate and 
pellucid, sometimes short-decurrent; cells lanceolate exc. the 
alar;-costa somewhat thick, vanishing above middle or shorter. 
Capsule arcuate; lid rostellate; pedicel short smooth. Stem 
creeping subpinnate or irregularly divided. Tufts pale or light 
green. Male flowers not found. — Logs r. Amer. Can. Brit. 
Col: Macoun; N. Foundl.: Waghorne. 
8.R.pseudo-serrulatum Kindb. — Eurhynchium Kindb. l. c. 
Leaves ovate or ovate-oblong, minutely denticulate, striate 
and chlorophyllose, not or indistinctly decurrent; cells lanceolate, 
the lower shorter and more dilated; costa thin vanishing above 
middle. Stem-leaves with short-acuminate or filiform-pointed; 
branch-leaves with short subulate sometimes twisted point. 
Capsule arcuate; lid apiculate; pedicel rough very long. Stem 
= subpinnate or irregularly divided. Tufts dark green, faintly 
glossy, radiculose at base. Monoecious. Habit of R. serrulatum. 
Earth and stones in woods r. Amer. Can.: Macoun; Moser; 
aghorne, U. S, New Jersey: com. Macoun, 
