— 159 — 
| mouthed; pedicel thin often very long. — Earth and rocks 
also in higher alp. regions. Ewr. common. Sweden, Norway, 
Switzerl.| Amer. Can.: Macoun; Waghorne. Alaska: J. M. Macoun. 
6.P.dentatum Menzies; C. M. syn. — Pogonatum Sull. ic. m. 
Leaves as in the last but more sharply dentate, the upper 
with short reddish or whitish awn by the excurrent costa; api- 
cal cell of lamelle truncate crenulate. Capsule small narrow 
often wide-mouthed; pedicel not long. Stem not high, some- 
times simple. Resembles a small alpine variety of the last. 
— In alps and arctic distr. r. Amer. Alaska: J. M. Macoun. 
Can. Brit, Col. and Labrador: Macoun. U. S.: Austin; Oakes. 
b. Leaves faintly denticulate. Stem often simple. 
7.P.eapillare Richard. — Pogonatum Sulliv. ic. m. 
Leaves short obtusate subobtuse distantly denticulate; wings 
of lamina not prominent; apical cell of lamelle truncate crenu- 
late; costa not excurrent. Capsule oblong-cylindric faintly pa- 
pillose, not wide-mouthed. Habit of the last. — Alps and 
arctic distr. r. Eur. Russia: Brotherus. Amer. U. 8.: Rudkin, 
com. Mrs Britton. 
8.P.Wahlenbergii Kindb. rev. bryol. 1894. — »P. capillare 
var. minus Wahlenberg fl. lapp.»: Lindb. et Arnell. 
Differs from the last in leaves subacute nearly entire; wings 
of lamina prominent, very much broader below. Capsule oval 
or cylindrie. — Northern alp. distr. r. Eur. »Sweden»: Wahlenb. 
(Asia, Sibiria: H. W. Arnell). 
IL. Pogonatum Bridel, in part. 
= Å. Leaves faleate when moist, patent or spreading when 
dry; lamelle about 60. Outer perichetial leaves very much 
longer. Pedicel of capsule finally brown. : 
9.P.Macounii Kindb. bull. Torr. club 1889. 
Leaves very long, bordered by the wings of the strongly 
= dentate lamina, long-subulate; awn long rough reddish. Peri- 
chetial leaves rough near apex, the inner shorter more acute. 
Capsule oblong-cylindric strangulate, larger than in P. alpinum; 
lid large conic-subulate, half as long as capsule. Higher and more 
robust than allied species. — Rocks and earth princ. in alp. 
region r. Amer. Pacif. distr. Can. to 1850 metr. a. 8.: J. Ma- 
ue coun. Alaska: J. M. Macoun. 
= B. Leaves straight or faintly curved when moist, more or 
less appressed when dry; lamellee about 30. Perichetial leaves 
not longer. Pedicel yellowish, 
