BARNES NORTH AMERICAN MOSSES. 333 



407. Thelia compacta Kindb.— Stems closely creeping; tufts green, 

 very dense and thick: branches erect, terete, obtuse, unilateral: paraphyllia 

 none: leaves cochleariform, rotundate-obtuse, short apiculate, very scab- 

 rous at back, with simple, incurved, papuliferous cilia: borders spinulose 

 dentate, or fimbriate ciliate; cilia long, curved up and dentate; costa obso- 

 lete or very short; pericha^tial leaves oblong, lanceolate, narrowly acumin- 

 ate, fimbriate, capsule pale brown, ovate-cylindrical; teeth subulate, short 

 and broad, sometimes horizontally divaricate when moist, distantly articu- 

 late, dusky, upper article cleft: basilar membrane short, scarcely I4 length 

 of teeth without segments; operculum conic-obtuse. Mac. Cat. 166. — 

 Abundant on stems of young maples: central Ontario; New Brunswick. 



408. Leskea siib-obtiisifolia C. M, & Kindb.— Plants loosely tufted, 

 yellowish green or fuscescent: stem sparingly radiculose, irregularly di- 

 vided, beset with paraphyllia; branches curved at apex: leaves distant, 

 decurrent, entire, distinctly papillose at back, loosely appressed when dry, 

 spreading when moist, margins recurved at base; stem leaves broadly 

 ovate, obtuse or sub-acute; branch leaves oblong, obtuse; cells round, alar 

 quadrate; costa sub-percurrent: perichjetial leaves large, short, ovate-lance- 

 olate, short acuminate, costate: capsule oblong, inclined, sub-curvate; lid 

 short, mamillate; monoicous. Mac. Cat. 169.— On trees subject to inun- 

 dation: British Columbia. 



409. Leskea cyrtophyllaKindb.— Tufts dense, dark green or brown, 

 not shining: stems irregularly branching, filiform, with few rhizoids: 

 leaves nearly uniform, very small, appressed when dry, open-erect when 

 moist, concave, from a broad rotundate ovate base short acuminate, en- 

 tire, faintly papillose, borders refiexed below; cells rotundate, sub hyaline; 

 costa indistinct or none: dioicous: capsules not found. Mac. Cat. 169. — 

 On rocks on islands in Lake Nepigon. 



410. Myrinia Schimp. — Leaves oval or ovate lanceolate, entire, smooth, 

 shortly costate; cells rhomboidal except those of basal angles which are 

 quadrate: monoicous: annulus none; peristome double, calyptracueullate, 

 descending to middle of capsule. 



411. Myrinia (.') Dieckii Ren. & Card.— Cespitose, dirty green: stems 

 depressed, soft, elongated, irregularly branching, branches ascending, 

 curved, julaceous, attenuate: leaves imbricate, concave, ovate lanceolate, 

 sub-acute or obtuse, margin plane throughout or revolute at base, entire or 

 sinuate; costa broa*:], green, sometimes sub-bifurcate, disappearing far be- 

 low apex; cells rhomboidal-hexagonal, smooth, wall straight, alar quadrate, 

 numerous, all strongly chlorophyllose; perichaetial leaves acuminate, apex 

 obsoletely denticulate: pedicel red; capsule erect, sub-cylindric: dioicous. 

 Bot. Centralb. 44: 421. 1890.— Growing on tree trunks: Oregon. 



412. Anomodon attenuatus brevifolins R. & C— Leaves shorter, widei 



above, shorter apiculate, sometimes obtuse, apex entire or denticulate; 

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