CONTRIBUTIONES NOVAE AD FLORAM BRYOPHYTON JAPONICAM. 15 



40-60 A' longis et c. 7-8 /^ latis, superne quadratis vel subquadratis 

 c. 10-12/^ magnis, basilaribus inter sese porosis fere laevibus, 

 angiilaribus laevissimis quadratis vel oblongo-rectangulis c. 25-45// 

 longis et c. 14-18/^ latis, externis oblongis et turgidaeis. Inßores- 

 centia dioica. Ramulus _per/c/iae^/rtZ/s fusco-radiculosus. Bracteae 

 perichaetli intimae erectae, oblonge -lanceolatae, apice breve et late 

 acutae, hyaline muticae, c. 1.6-2.0 mm. longae et c. 0.5-0.56 mm. 

 latae, superne carinato-concavae, marginibus subplanis, integerrimis ; 

 nervo tenui, infra summum apicem evanido, dorso fere laevi ; 

 cellulis linearibus, superne rhomboideis et brevioribus, omnino laevi- 

 bus vel parce papillosis. Vaginula oblongo-cylindrica, c. 1 mm. 

 alta, fusca apice nigrescens. Seta c. 12-18 mm. longa, erecta, 

 fusca superne luteo-fusca vel lutea, sicca torta. Theca erecta, sym- 

 metrica, oblongo-cylindrica, c. 1.8 mm. longa et c. 0.72 mm. crassa, 

 fusca, laevis, sicca subirregulariter plicata ; cellulis exothecii rect- 

 angulis, c. 28-56 // longis et c. 14-22/^- latis, superioribus an- 

 gustioribus c. 9 ,« latis, ad orificium in seriebus 3-4 quadratis vel 

 hexagonis c. 9-14 // magnis. Annulus c. 50/^ altus, triplex, luteo- 

 fuscus, deciduus. Peristoma dentés basi connati, c. 1.5 mm. longi 

 et basi c. 50-56 // lati, fere ad basin filiformiter bifidi, e basi ad 

 medium densiuscule articulati, hand trabeculati, rufescentes superne 

 lutei, dense papillosi, intus laeves. Sporne c. 7-9 ,« magnae, 

 lutescenti-fuscae, laeves. Operculum e basi conica sensim longe 

 subulate attenuatum, c. 1.8-2.0 mm. longum et basi c. 0.4 mm. diam., 

 luteo-fuscum. Calyptra mitriformis apice sensim subulate attenuata, 

 basi multifida, baud plicata, lutescenti-viridescens apice fusca, su- 

 perne scabra. 



Hokkaido (Yezo) : Prov. Ishikari, Nopporo-mnra (Leg. Nizo Iwa- 

 SAKI ! 3. v. 1914.) : Prov. Shiribeshi, Otani (Leg. NizO Iwasaki ! 10. V. 

 1915.). 



