98 N. BRYHN. [2nd ARC. EXP. FraM 



tangulis, per totum folium ceterum qvadratis vel breviter rectangulis, 

 parietibus illarum mediocriter incrassatis et porosis, costa inferne lata, 

 infra apicem dissoluta. 



Folia comalia suprema ovata, concava, sicca humidaqve convoluta, 

 perbreviter acuminata, 1 mm. longa et 0.6 mm. lata, basi rubra, mar- 

 gine reflexa, limbo vix distingvendo, costa in apice dissoluta, cellulis 

 incrassatis, basilaribus elongato-rectangulis ad 0.08 mm. longis et 0.11 

 mm. latis, angularibus qvadrato-rotundatis, marginalibus rhombeo-rectan- 

 gulis, medii folii hexagonis 0.044—0.066 mm. longis et 0.011—0.013 mm. 

 latis. 



Inflorescentia synoica; archegonia pauca (circiter 4), 0.43 mm. longa; 

 antheridia circiter 6, 0.21 mm. longa, rufescentes ; paraphyses archego- 

 niis longiores, inferne rufescentes apice hyalino. 



Seta 8 mm. longa, 0.15 mm. crassa, fuscescens. 



Capsula nutans, subcurvata vel regularis, operculata 1.75 mm. longa 

 et 0.75 crassa, anguste piriformis, pallide luteo-fusca, estate pallidula, 

 laevis, siccitate sub orificio nonnihil contracta, sporangio in colium sub- 

 aeqvilongum sensim attenuatum defluenti. 



Cellulse epidermicse sporangii mediocriter incrassatse, parietibus me- 

 diocriter flexuosis, plurimae breviter rectangulse, marginales in seriebus 

 1 — 2 transverse rectangulse, submarginales in seriebus 6 qvadratae, illse 

 colli irregulares, plurimae elongato-rectangulse, parietibus valde sinuosis, 

 stomatibus paucis, late ovalibus, 0.044 mm. longis, biseriatis. 



Exostomii dentes e fundo aurantio, 0.05 mm. alto, fisso et cribroso, 

 0.33 mm. longi et basi 0.077 mm. lati, luteo-aurantii, apice pallide lutes- 

 centi. ad medium lineares, dein subulati, grosse papillosi, apice saepe 

 fissi vel rimoso-pertusi, anguste limbati, strato colorato secus limbum 

 scalae instar dentato; scutula rectangula 0.012 — 0.015 mm. altse, inlerdum 

 subqvadratse, subtile punctulata, suturis distinctis, mediana angulata; 

 lamellae 16 — 18, crassae, rectae, inter se liberae inqve eadem distantia 

 remotae. 



Endostomium exostomio aeqvilongo baud adheerens; membrana 0.12 

 mm. alta, lutescens, dense punctulata; processus lanceolati, subito alte- 

 nuati, secus carinam inferne foraminibus late ovalibus perforati, superne 

 rimoso-pertusi (ut in Bryo cirrato); cilia tenuia, singula vel bina, pro- 

 cessubus breviora, papillosa, appendiculis brevibus et crassis, saepe male 

 evolutis, appendiculata. 



Annulus triplex, 0.06 mm. latus. 



Operculum aurantium, conicum apice distincto {ut in Bryo pendulo), 

 0.6 mm. latum. 



