ae WE 
Leaves subovate or ovate-oblong acute often short-pointed; 
upper cells sublinear, lower lanceolate exc. the dilated well- 
defined alar. Capsule arcuate; lid conic obtuse not rostellate. 
Tufts dense green. Stem subpinnate. Leaves somewhat smaller 
than in P. denticulatum. Monoecious. — Stones in woods r. 
Amer, Can.: Macoun. 
B. Leaves and capsules small; pedicel short. 
a. Leaves not recurved. 
7.P.letum Schimper. — Leskea Berggren. 
Leaves ovate-lanceolate acuminate gradually tapering to a 
short filiform point; alar cells large well-defined, the others 
oblong-lanceolate. Capsule oval-oblong subsymmetric; lid rostellate. 
Tufts bright green. Monoecious. — Alp. and subalp. rocks r. 
Eur. Norway!; Berggren. Amer. Can.: Macoun. 
8.P.decursivifolium Kindb. cat. Can. m. — »P. passaicense» 
Austin in part. 
Leaves narrowly suboblong often with short acieuliform point; 
lowest basal cells short large, alar not well-defined, the others 
hatrow-linear. Capsule suboblong or arcuate, finally furrowed 
and oblique; lid rostellate or rostrate; pedicel somewhat long. 
Tufts green. Monoecious. — On decaying trees r. Amer. Can.: 
Macoun; Waghorne. 
9.P-latebricola Wilson. — Leskea Wils.; Plagiothecium Br. eur. 
Leaves smaller than in P. pulchellum, gen. filiform-pointed. 
Stem-leaves ovate-oblong subobtusate long-pointed; branch-leaves 
ovate lanceolate gradually tapering to a short sometimes subulate 
point; alar cells not well-defined, the others narrow-linear. Cap- 
sule. eylindric-oblong straight; lid rostellate. Tufts bright green. 
loecious. — On decaying trees or ferns in shady woods r. 
Eur, Sweden: J. Persson. Germany: H. Mueller, com. Le Jolis. 
Belgium: Gravet. Amer. »U. S. and Can.»: Lesq. et Jam. 
b. Leaves more or less recurved. | 
. _ aa. Leaves recurved to the gen. long filiform point. 
10.P.piliferum Swartz. — Leskea Sw.; Plagiothecium Br. eur. 
Leaves suboblong; alar cells not well-defined, the others 
harrow-linear, Capsule cylindric-oblong straight; lid rostellate. 
Ma green us. glossy. Monoecious. — Shady rocks or. their 
. fUevices gen. r, Eur. Sweden not r., Norway! Amer. Can. Pacif. 
: * Macoun. | 
pue bb. Leaves partly recurved below, without long point. 
_ 1LP.aciculari-pungens C. M. et Kindb. cat. Can. m. 
Leaves ovate-oblong with short aciculiform deflexed or patent 
