Muscologia Itineris AssamicL 



63 



Calyptra longe subulata, apice uncinata, ad medium usque fere 

 fissa. 



A B. ligulato, vix distinguendum operculo longiro-nisistro, et 

 floribus hermaphroditis ? 



PterogoniuMj Hook. 



]. Pterogonium squarrosum, Griff. 



Caule repente pinnatim ramoso setigero, ramis erectis simpli- 

 cibus, foliis siccatione adpressis humore patentissimis late 

 ovatis valde concavis breviter apiculatis integris aveniis, 

 capsula erecta oblongo-ovata, operculo conico-subulato. 



Hab: Super arbores sylvarum Tingrei vicinitatisque Suddiyse. 



Rami siccatione saepe depressi, apice interdum elongati. 



Folia dense et undique imbricata, late ovata, interdum suborbicu- 

 laria, breviter acuminata, apices versus fusco-tincta, areolis 

 angustis fusiformibus, basilaribus utriusque lateris ampliatis 

 subquadratis. 



Perichsetialia lanceolato-oblonga, acuminata, acuminibns exte- 

 riorum et minorum patentissimis vel recurvis, interiorum 

 rectis. 



Seta vix semuncialis, pallida, sicca parce tortilis. 



Vaginula subcylindracea, pallida. Paraphyses plures, tenues, 



filiformes. Pistilla pauca. 

 Capsula exannulata, albida, gequilateralis. 



Peristomium e dentibus 16, piano -subulatis, acutis, binatim com - 

 positis, linea longitudinali transversisque distinctis, interdum 

 apices versus obsolete perforatis, sub lente centies augente 

 obscure striatis, badio-rufis, apicibus diaphanis ; serius albi- 

 dum, fragile. 



Sporula magna, valde insequalia, rotundata. 



Columella apiculata, inclusa. 



Operculum leviter inclinatum, obtusius culum. 



Calyptra profunde dimidiata, lsevis. 



Affine Pterogonio Myuro, Hook. Muse. exot. p. 9. t. 148, a quo 

 praecipue differt caule repente, ramis erectis squarrosis ap- 

 proximatis, foliisque acuminatis. 



