oe 
Leaves distinctly papillose, from subovate base tapering 
the hyaline and often long acumen, not striate; inner cells irre- 2 
gular, oval or angulate, sometimes sinuous; inner basal cells | 
subrectangular. Capsule piriform, short-necked; pedicel long. — - 
Rocks r. Amer. Pacific district. Canada: Macoun. U. S.: Hen 
derson, com. Cardot. 
2. Leueodon Schwægrichen. 2 
A. Pedicel of the capsule long-exserted. Leaves gen. entire 
and not distinctly decurrent. 1 
l. L. seiuroides L. — Hypnum L.; Leucodon Schwsegr. - 
Leaves ovate-oblong or broadly ovate-lanceolate, short-acumi-- 
nate and acute, plicate or striate, open when moist; upper cells - 
oblong, the others narrow. Perichetial leaves short-acuminate. 
Capsule suboblong; teeth split; endostome indistinct; lid conic 
acute. — On trees, less often on rocks. Eur. common. Sweden 
Norway, Germany, Switzerland, Italy! Amer. r. Can.: Macoun 
* L. morensis Schwegrichen. ; 
Leaves shorter, subovate, less striate; the perichetial longer 
acuminate. Capsule cylindric, slightly curved; endostome rudi 
mentary; lid rostellate. —- Eur., southern districts, often frequent 
Greece: Haussknecht. Italy: Arcangeli; E, Adlerz. France: Husno 
Spain: Dieck, com. Roell. 
B. Pedicel of the capsule immersed or short-exserted. Leave 
often denticulate or sinuolate at acumen, sometimes decurren 
2. L. brachypus Bridel. — Sullivant icon. muscor. s 
Leaves (as in L. sciuroides) ovate-oblong or broadly ovate- 
lanceolate, short-acuminate, more or less striate-plicate, decur- 
rent; inner basal cells narrow. Capsule oval, partly immersed 
teeth us. entire; lid rostrate. Branches often nearly simple. — 
Trees. Amer. U. S. not r.: Austin, com. Macoun; Canada! 
(sterile specimens) Macoun. 
3. L. julaceus L.; Sull. 1. c. — Hypnum L.; Leucodon Sull 
Differs from the last: Leaves shorter, broad-ovate with very 
short acumen, not striate, less decurrent, nearly spreading wher 
moist. Capsule round-oval; teeth slightly split above; pedice 
sometimes exserted, often curved or flexuous. Branches ramose 
— Trees, Amer. U, S, northeastern slope: Sullivant, com. € 
Mueller; Fitzgerald ete., com. Renauld and Cardot. 
3. Forsstremia Lindberg. 
A. Leaves entire or faintly sinuolate aboy. arada pellacid 
Peristome whitish. pit E 
