482 Muscologia Itineris Assamici. 



nempe boreali, hoe tropicali. Locus naturalis Barbulam prope. ? 

 A Gymnostomis veris posterum certe segregandum. 



6. Gymnostomum denticulatum> Gr. 



Caule sub-simplici, foliis lingulato-oblongis acutis apices versus 

 denticulatis vena sub-completa, perichsetiabbus intimis con- 

 volutis obtusissimis integris, capsula anguste cylindracea, 

 operculo subulate 



Hab : In rupibus inter Syung et Myrung, et in terram circa 

 Moflong. Nuperius legi in colHbus Naga dictis altitudine 

 circiter 1,000 pedum. 



Csespitosum. Caidis erectus, vix semunciabs. Foha siccatione 

 incurvata marginibus insigniter involutis, madore patenti- 

 recurvata, leviter repanda marginibus vix incurvis imo ssepa 

 leviter recurvis, percursa vena crassa sursum valde attenuata 

 et vix completa ; areolis minutis. 



Perichsetialia exteriora conformia, marginibus superne involutis, 

 interiora minora integerrima vena infra apicem evanida. Seta 

 ob innovationes interdum pseudo-lateralis,filiformis, rubescens, 

 siccitate tortilis. Vaginula obclavata, basi paraphysibus pistil- 

 lisque paucis obsita. 



Capsula leviter inclinata, subinsequilateralis brunnea, sub lentem 

 modice augentem areolatim striata. Annulus insignis, initio 

 horizontabs, operculo detruso erectus. Membrana interna 

 bbera, subsessibs. 



Columella fdiformis, longitudine fere thecse. 



Sporula minuta, rotundata, lsevia, in acervulo fusco-viridia, im- 

 mersa diapbana, subuniformia. 



Operculum subulatum, capsula subquadruplo brevius, rostro 

 sffipius declinato. 



Calyptra dimidiata Isevis, semel bisve torta. 



Variat statura, foliis madore etiam margine involutis, et obsolete 

 denticulatis. An ideo posterum cum G. involute Hook. 

 Muse. Exot. p. 2 t 154, conjungendum ? 



7. Gymnostomum recurvum, Gr. 



Caule ramoso, foliis ascendentibus lanceolatis acuminatis integer- 



