1898-1902. No. 11.] BRYOPHYTIA. 81 



154. Brynm brachytheciam Bryhn & Ryan. sp. nov. 



Gaespites densi, 8—10 mm. aiti, intus terra limoso-arenacea obruti, 

 siiperne Isete virentes. 



Siirculus valde ramosus, innovationes numerosas et steriles imbri- 

 catim folialas et fertiles inferne foliis remotissimis, apice congestis co- 

 mantibus, instructas emittens, tomentum intricatum flavo-fuscescentem 

 papillulosum uberrime proferens. 



Caulis rubro-lutescens. 



Folia caulina siccitate adpressa, humiditate erecto-patentia, apice 

 subrecurva, basi virides, baud decurrentia, ovato-lanceolata, breviter acu- 

 minata, 0.9—1 mm. longa et 0.45 mm. lata, margine plana vel in sum- 

 mis ieniter recurva, limbo cellularnm seriebus 1—2 lutescentium incras- 

 sataium circumcincta. 



Folia comalia concavo-carinata, ovata vel ovato-lanceolata, baud de- 

 currentia, 1.2 — 1.45 mm. longa et 0.65 mm. lata, sensim in apicem laevem 

 mediocriter longum angustata, costa in apice dissoluta instructa, margine 

 reflexo cellularum seriebus 1 — 2 elongatarum limbata. 



Cellulae foliares plurimse hexagonse-rhombese, 0.05 — 0.07 mm. longse 

 et 0.015 — 0.2 mm. latse, basilares breviter rectangulo-rhombeae, parietibus 

 baud rubris, mediocriter incrassatis lutescentibus. In foliis comalibus 

 cellulae angulares nonnullae ovales luscescentes adsunt. 



Costa mediocriter valida, fusco-lutescens, nunqvam excurrens. 



Folia innovationum sterilium et siccitate et humiditate adpresso-im- 

 bricata, densa, concavo-carinata, apice rubrecurvo, ovata, breviter, acumi- 

 nata, 0.55 mm. longa et 0.35 mm, lata, margine plana, limbo nullo cincta, 

 cellulis folii dimidii inferioris rectangulo-qvadratis, superioris dimidii rec- 

 tangulo-rhombeis. 



Folia perichaetialia intima breviora qvam comalia, margine plana et 

 elimbata, costa in apice desinente instructa. 



Inflorescentia synoica. Nee desunt flores masculi in innovationibus 

 brevibus subcomalibus. Archegonia pauca, 0.45 mm. longa; antheridia 

 etiam pauca, oblonga brevi-pedunculata, 0.35 mm. longa; paraphyses 

 lutescentes, basi rufescenti. 



Seta 5—6 mm. longa, crassiuscula, inferne rufo-fuscescens, superne 

 pallidior, apice hamata. 



Capsula pendula, seta adpreSsa, lutescens, ffitate luteo-fuscescens, 

 opaca, deoperculata 1.2—1.5 mm. longa et 0.73-0.75 mm. crassa; col- 

 lum 0.48—0.6 mm. longum, crassum, latere versus setam spectante Ieni- 

 ter gibbosum; coloris sporangii, contra sporangium baud constrictum. 



