BARNES NORTH AMERICAN MOSSES. 337 



oblong, contracted below mouth; lid conic; membrane of endostome very 

 short; segments a little longer than the teeth; cilia none: very rarely fruit- 

 ing. Husnot, Muse. Gall. 317. Rocky Mountains; Greenland. 



429. Pseudoleskea atrovirens brachyclados Sch. Plants larger, leaves 

 larger, more shortly acuminate, not secund; cells of middle part shorter 

 and differing little from others: capsule shorter. Husnot, Muse. Gall. 

 306. Wyoming. 



430. Pseudoleskea atrorirens fllamentosa Boulay. Branches elon- 

 gated, very slender' hooked at the tips: tufts rather loose, pure yellow at 

 the surface: leaves secund, oval-oblong, narrowed into a long linear sharp 

 acumen, scarcely plicate, 1 X 0-3 mm.; median cells linear, 1:4-8, trans- 

 lucent, lateral cells quadrate, opaque, rather narrow, enlarged at the base: 

 capsule oblong, arcuate. Muse, de la France 1: 162. 1884. Washington; 

 Oregon; Montana. 



431. Pseudoleskea atrovirens atricha Kindb. Tufts very dense, soft- 

 fuscescent, with green tips: stem very lax, nearly without paraphyllia and 

 rhizoids. Mac. Cat. 180. On rocks: Griffin Lake, B. C. 



432. Pseudoleskea rigescens denndata Kindb. Stem more rigid, 

 nearly simple, curved only at apex, naked below and radicant: barren. 

 Mac. Cat. 181. Selkirk Mountains, B. C. 



433. Pseudoleskea falcicuspis C. M. & Kindb. Plants densely tufted : 

 stems much branching: leaves very papillose, denticulate above, short, 

 ovate-lanceolate, attenuate to an acute or filiform often curved point, long 

 decurrent; margins recurved to or above middle, not in upper part; cells 

 rotundate, quadrate at angles; costa vanishing far below acumen: dioicous. 

 Mac. Cat. 182. On rocks: Sicamous, Revelstoke and Quesnel, B. C. 



434. Pseudoleskea stenophylla Ren. & Card. Dioicous (monoicous ?), 

 male flowers small, numerous, gemmiform: tufts very intricate, yellowish: 

 stem slender, tough, prostrate, strongly radiculose, irregularly pinnate; 

 branches slender, attenuate, ascending: leaves erect-spreading, narrowly 

 lanceolate, gradually long acuminate, entire or obsoletely denticulate 

 above; margin revolute below; costa strong, vanishing in the green acumen; 

 cells thickened, alar quadrate numerous, median sub-linear truncate, upper 

 rhomboidal ovate, apical large and obtusely papillose; paraphyllia numer- 

 ous, triangular lanceolate or subulate; inner perichaetial leaves sheathing, 

 oblong, rather suddenly acuminate, entire, costa very smooth, vanishing 

 in acumen: seta red, smooth, above twisted to right, 6-8 mm. long; capsule 

 erect, inclined or pendulous with age, ovate-oblong, red-brown, slightly 

 constricted below mouth; peristome teeth brown, linear-lanceolate, lamellose 

 within; segments from a short basilar membrane narrowly linear-subulate, 

 entire, equaling teeth. Bot. Centralbl. 44: 421. 1890. Cascade Mts., 

 Easton, Washington. 



435. Pseudoleskea tectorum Sch. Stems 1-5 cm. long, decumbent, 



