CONTRIBUTIONES NOVAE AD FLORAM BRYOPHYTON JAPONICAM. 81 



0.5-0.64 mm. lata, basi tri-plicata, marginibus basi late recm^vis 

 dein ad medium siibplanis, integerrimis vol minutissime serrulatis ; 

 nervo valido, ultra medium folii evanido, in sectione transversali 

 plano-convexo, basi c. 42 /^ lato et c. 30 !>■ crasso, e 3-stratis 

 cellulalum incrassatarum uniformium composite ; cellulis laevissimis, 

 plus minusve incrassatis, rhombeis vel rliomboideis, c.20-35 /^ long- 

 is et c. 7-9 /^ latis, superioribus longioribus angustioribus, basilaribus 

 late rliomboideis rectangulis vel breviter linearibus, alaribus nu- 

 merosis minoribus quadratis vel breviter rectangulis (lumine saepe 

 ovalibus) vel oblongis c. 7-9 /^ magnis ; folia ramulina angustiora, 

 oblongo-lanceolata, apice anguste attenuata. Inßorescenüa dioica ? 

 floribus masculis hand visis dioica videtur. Ramulus pericJiaetialis 

 baud radiculosus. Bracteae perichaetii intimae e basi vaginante 

 sensim anguste subulatae, subula erecta vel leviter curvata, integer- 

 rimae, c. 1.6-2.0 mm. longae et c. 0.4 mm. latae ; nervo tenui, 

 medium evanido ; cellulis linearibus, basilaribus rectangulis. Vagi- 

 nula cylindrica, c. 0.8-1.0 mm. longa, lutescenti-viridescens apice 

 fusca ; parapliysibus sat numerosis, lutescentibus vel hyalinis. 

 Seta c. 7-9 mm. longa, stricta curvatula vel leviter flexuosula, 

 rubra, laevissima, sicca torta. Theca erecta vel inclinata, breviter 

 oblonga vel ovalis, symmetrica vel paulum gibbosa, c. 1.2-1.5 mm. 

 longa et c. 0.64-0.72 mm. crassa, castanea, laevissima, nitidiuscula, 

 brevicoUis, coUo obconico c. 0.24-0.3 mm. longo ; cellulis exothecii 

 quadratis hexagonis vel rectangulis, c. 30-50 ,"■ longis et c. 20-35 // 

 latis, ad orificium in seriebus c. 4-5 minutis hexagonis c. 20// 

 magnis ; stomatibus in coUo numerosis, phaneroporis. Annulus 

 duplex, c. 28-30 ,« altus, ex miica série ceUularum, fuscescens, 

 deciduus. Exostomii dentés basi connati, lineari-lanceolati, c. 

 0.32-0.36 mm. alti et basi c. 56 f- lati, linea media flexuosula, 

 marginibus dense cristatis, strato dorsali luteo minutissime pa- 



