=- Ils Se 
us. plane; lamelle very numerous, their apical cell not papillate; 
awn red-brown. Stem and pedicel us. long. 
22.P.attenuatum Menzies. — P. formosum Hedwig. 
Leaves plane crowded, dentate to a long sheath, us. green; wings 
very narrow; apical cell of lamelle suboval. Perichetial leaves 
green not or faintly hyaline in lamina; awn rough. Capsule 
us. long rectangular-prismatic brown; lid short broad-conie with 
short point; pedicel reddish. Spores about 0,01 m. m. Stem 
tomentose near base. — Dry woods often in subalp. districts. 
Eur. not r. Sweden! Amer. r. Can.: J. Macoun; Waghorne. 
Alaska: J. M. Macoun. 
*P.pallidisetum Funck. 
Capsule short-prismatic yellowish; lid nearly flat with narrowly 
conic beak; pedicel yellowish or pale red. =- Woods r. Eur. 
Sweden, Germany! Amer. »U. S.»: Lesq. et Jam. 
23.P.ohioénse Renauld et Cardot. — P. decipiens Limpricht. 
Differs from P. attenuatum: Upper leaves (near the periche- 
tial) with shorter sheath; apical cell of lamelle often transversely 
dilated. Capsule shorter, narrowed below; lid with narrowly 
. Conic beak. Stem not tomentose, us. less long. — Earth and 
rocks in woods. Eur. r. Switzerl! Amer. not r. Can.: Macoun; 
Waghorne. U. S.: Wetherby; Lapham, com. Cardot. 
24.P.Behringianum Kindb. rev. bryol. 1894. ied 
Differs from P. attenuatum: Leaves laxly disposed, entire 
below middle of lamina, faintly denticulate above, nearly chan- 
nelled; cells of sheath shorter and broader. Stem not tomen- 
. tose. Capsules unknown. — Arctic distr. r. Amer. Alaska: 
J. M. Macoun. 
25.P.commune L. 
Leaves plane crowded, dentate to the sheath, us. rufescent, 
often falcate when moist; apical cell of lamellae often emargi- 
. mate. Perichetial leaves hyaline, us. serrulate near apex; awn 
entire. Capsule long or short; lid short-rostellate with us. 
harrow beak. Stem not often tomentose, us. very long. — 
 Heaths and turf-moors prine. in lower regions, less often in 
alps. Eur. common. Sweden! Amer. less common. Can.: 
Macoun (a var. with shorter stem and us blackish calyptra). 
*P.perigoniale Michaux. ga. 
. Leaves not or faintly rough at back, us. green; perichetial 
.. fhlire more numerous. Capsule short. Stem and pedicel less 
long. — Dry places. Eur. princ. in southern distr. Switzerl.! 
— Amer. Can. Macoun. 
