Muscologia Itinerls Assamici. 475 



2. Polytrichum falcifolium, Gr. 



Caule simplici, foliis e basi lanceolata subulatis falcatim incurvis 

 integris, capsula rotundato-ovata exapophysata inclinata. 



Hab : In arenosis Boga Panee, Collium Khasiyensium. 



Aggregatum : Caules breves vix lineas tres longitudine excedentes. 



Folia siccatione tortiha et incurva, madore falcatim incurva, e 

 basi lanceolata cauli adpressa longe subulatim acuminata, 

 concava, obtusa, integra marginibus subinvolutis, percursa 

 vena crassa completa, lamellis conspicuis subseptem instructa. 



Perichsetialia basi largiora magisque membranacea. 



Seta stricta, longitudine unciam paullo excedens, rubrotincta, 

 siccitate tortilis. 



Vaginula mediocris, anguste cybndracea. Paraphyses subnullse, 

 pistilla pauca, styli longi apicibus solito dilatatiores. Capsula 

 inclinata nutansve, siccatione interdum erecta, ssepius rotun- 

 dato-ovata et insequalis, interdum suburniformis, ore vix coarc- 

 tato nunc obliquo, fuscobrunnea, inconspicue areolata ; mem- 

 brana interna libera, apicem versus capsuloe in annulum inflexa. 



Peristomium e dentibus 27 — 33, sed ssepius ut videtur 32, basi 

 connexis, brevibus, acutis, leviter inflexis, sublentem materie 

 grumosa hinc ilhnc opaciusculis, insequalibus, latioribus (ob 

 cohesionem) pluribus apice subemarginatis medioque sulcatis. 



Epiphragma demum liberum. 



Columella inclusa, 4 angularis, fere 4-alata, apice planiusculo 

 annulum membranse interioris subattingens. 



Caetera non visa. 



3. Polytrichum proliferum, Gr. 



Caule indiviso hinc apice innovatione probfero, fobis falcato- 

 incurvatis siccitate tortibbus e basi lanceolata longe lineari- 

 bus argute dentatis carinatis carina medium supra denticu- 

 lata, capsula erecta oblongo-ovata basi sub-apophysata, oper- 

 culo conico breviter apiculato, calyptra villosissima. 



Hab : Legi primum in umbrosis circa Churra Punjee sed absque 

 fructificatione ; serius fructiferum invenit D. Wallichius in- 

 fra rupes in umbrosissimis prope Sururreem. 



