448 



MUSCI. 



Columella longiuscule apiculata, inclusa. 



Operculum e basi convexa longe et oblique rostratura, capsula 



£ brevius, lutescens, margine rubruni, 

 Calyptra longe subulata, apice uncinata, ad medium usque fere 



fissa. 



Ab ligulato, vix distinguendum operculo longirostro, et flo- 

 ribus hermapliroditis ? 



1. Capsule and operculum. 



2. Portion of Capsule and of both Peristomes viewed ex- 

 ternally. 



3. Calyptra. 



4. Leaf. //. Ass. 571. 



XX Pterogonium, Hook. 

 1. Pterogonium squarrosum, Griff. PI. XCVI1I. Fig. II. 



Caule repente pinnatiru 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 Suddiyae. 

 Rami siccatione saepe depressi, apice interdum elongati. 



Folia dense et undiqueimbricata, late ovata, interdum suborbicu- 

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

 subquadratis. 



Pericluxtialia lanceolato-oblonga, acuminata, acuminibus exte- 

 riorum et minorum patentissimis vel recurvis, interiorum 



rectis. 



Seta vix semuncialis, pallida, sicca parce torti.is. 



Vaginula subcylindracea pallida. Paraphyses plures, teuues, 



filiformes. Pistilla puaca. 

 Capsula exannulata, albida, aequilateralis. 



Peristomium e dentibus 16, plano-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, 



