— 160 — 
coun; Palmer. .Can.: J. Macoun. U: S.: Roell — A var. with | Eo 
subcylindric capsule is found in Can. Northern Labrador by 5 
J. Macoun 1896. : 
* P.brevifolium R. Brown. 
Leaves very short, appressed when dry. Capsule globose. — 
In higher alp. region r. Eur. Norway! Sweden: E. Nyman. 
Amer. »Greenl: Vahl»: Lange. 
li.P.mierodontium Kindb. in Biblioth. botan. 42 (1897). — 
Leaves entire or minutely denticulate only in upper third or 
half of lamina, longer-subulate than in P. alpinum; uppermost 
leaves very long, suddenly larger and spreading; awn reddish 
somewhat long, faintly rough. Perichetial leaves with very 
long nearly smooth awn; lamellæ somewhat numerous. Capsule 
large thick globose or broad-oval, often oblique; lid short-api- 
culate. Stem gen. simple. — Alpine princ. arctic districts f. 
Amer. Greenl: Vanhoeffen. Alaska: J. M. Macoun; Palmer. 
Can. Brit. Col.: J. M. Macoun: 
12.P.Vanhoeffeni Kindb. in Biblioth. botan. 42 (1897). — 
Leaves entire or only near apex (scarcely in upper third of 
lamina) dentate, not long but long-acuminate, very narrowly. 
bordered by lamina, nearly appressed when dry, not much 
open when moist; awn short rough red-yellow.  Perichetial 
leaves much narrower with not few lamellz. Capsule obovate 
oblique; lid scarcely shorter than half capsule, Stem us. spa- 
ringly divided above, often to 8 c. m. high; pedicel scarcely ; 
3 c. m. Tufts brownish, — Amer. r. Greenl.: E. Vanhoeffen. 
b. . Leaves bordered by wings of lamina only near apex, 
short acute but gen. obtusate, appressed when dry. - 
13.P.septemtrionale Swartz; Wahlenberg fl. lappon., not C 
M. syn; Kindb. revue bryol. 1894. M 
Leaves entire or with very few teeth near apex; awn Very 
