CONTEIBUTIONES NOVAE AD FLORAM BRYOPIIYTON JAPONICAM. 93 



hand tenuiore et extremitato dorso denticulo instriicto, in sectione 

 transversal! piano -convexo, dorso valde prominenti, basi c. 45 ff- 

 crasso, e 5-stratis cellularum incrassatariim uniformium composito ; 

 cellulis chlorophyllosis, laevibus, linearibus, c. 25-35 /'- longis et 

 c. 3-4/^ latis, superioribus brevioribus c. 18-20/^- longis basilaribus 

 brevioribns et laxioribns c. 14-20 /^ longis et c. 5-7 /^ latis, alaribns 

 qnadratis vel rectangulis c. 8-14/^- longis et c. 6-8,« latis con- 

 coloribus. Inflorescentia dioica ? (floribns mascnlis hand visis dioica 

 videtur). Hamulus perichaetialls radicnlosus. Bracteae perichaetii 

 intiraae basi semivaginatae ellipticae, subito in acnmen sensim 

 elongatnni angnstum lineari-subulatum attenuatae, c. 1.4-1.8 mm. 

 longae et c. 0.4-0.5 mm. latae, acumine fere erectae, remote 

 serrulatae ; nervo nnllo ; cellulis linearibus c. 80-90 ,« longis et c. 

 4-5 ,« latis, basilaribus brevioribus et laxioribns c. 40-70 /^ longis 

 et c. 9.-14/'- latis. F«^mzi/a cylindrica, c. 10 mm. alta, albescenti- 

 lutescens apice fusca ; archegonia numerosa ; paraphysibus numéro- 

 sis, hyalinis. Seta c. 6-8 mm. alta, erecta vel leviter curvata, 

 rubra, laevissima, sicca hand torta. Theca inclinata, e collo brevi 

 oblonge -cylindrica, asymmetrica, paulum gibbosa, sicca deoperculata 

 sub ore contracta, c. 1.2-1.6 mm. longa et c. 0.6-0.7 mm. crassa, 

 lutescenti- rubra ; cellulis exothecii qnadratis hexagonis vel rectangulis 

 c. 28-40x14-20/^ niagnis, ad orificium minoribus rotundato- 

 hexagonis c. 10-14 r- magnis ; stomatibus in collo sat numerosis, 

 phaneroporis. Aimulus c. 30-35 /^- altus, simplex, e 1 vel 2 seriebus 

 cellularum, lutescenti-ruber, deciduus. Pristomium duplex ; ex- 

 ostomii dentés subulato-lanceolati, basi connati, c. 0.4-0.48 mm. 

 longi et basi c. 70/^ lati, strato dorsali basi luteo vel fuscescenti- 

 luteo et transversim striatulo, e medio ad apicem lutescenti et 

 papillose, strato ventrali angustiore dense (c. 30) et alte lamelloso ; 

 endostomium luteum ; corona basilaris c. 0.18 mm. alta, fere laevis ; 



