Contributiones novae ad Floram Bryophyton Japonicam. 4:7 



oblonga, symmetrica, sicca et deoperculata sub ore valde contracta, 

 cicca ssepe curvatula, cum collo c 1.5mm. longa et c. 0.6-0.7 mm. 

 in diam, fusca, kevis, collo conico c. 0.5 mm. longo; cellulis 

 exotheci oblongo-hexagonis, c. 42« longis et c. 20," latis, ad ori- 

 ficium in seriebus duabus minutis c. 15/< magnis; stomatibus in 

 collo sat numerosis, rima oblonga. Annulus duplex, c. 60,« altus, 

 fuscus, deciduus. Exostomii dentés lineari-lanceolati, c. 0.40 mm. 

 longi et basi c. 0.084 mm. lati, rubiginosi et transverse striatuli, 

 apice lutei et papiUosi, hyaline limbati, intus dense (c. 40) 

 lamellosi; endostomium luteum, papillosum, c. 0.42 mm. longum; 

 corona basilaris 0.14 mm. longa; processus carinati in carina late 

 perforati; cilia 2-3, bene evoluta, papulosa, c. 5 nodulosa. Spori 

 c. 15,"-, virides, lseves. Operculum e basi humile conicum longe 

 rostratum, c. 0.8-1.0 mm. longum, rostro curvato. Calyptra 

 cuculata, c. 1.7 mm. longa, lutescenti-viridis sed basi et apice 

 fusca. 



Hondo: Prov. Ecchû, üyama-mura, Kamishinkawa-gun 

 (Coll. Hisahiko Sasaoka! Septembri 13, 1913.); Prov. Bicchû, 

 Takahasni-cho, Jôtô-gun (Coll. Jukichi Shiraga! Augusto, 1913.) 



Nomen speciei in honorenJColl. Dom. Hisahiko Sasaoka. 



Species O. rusciformi et O. Schottmiilleri valde affinis, sed 

 foliis ptene rotundatis jam abunde diversa. 



Br y h uia Naltanci Sil. OkaMURA. sp. UOV. 

 (Tab. XX. A-F.) 

 Habitatio aquatica, ad rupes. Plantée tenelliusculse lutescenti- 

 virideres hand nitidse. Caulis longe repens, hie illic fasciculatim 

 fusco-radiculosus, irregulariter et densiuscule pinnatim ramosus, 

 sectione teres c. 0.2-0.3 mm. crasso, fasciculo centrali per- 

 paucicellulari (c. 5), reti intermedio hyalino, cellulis hexagonis c. 

 32« magnis tenellis, peripherico e cellulis c. 2-seriatis minoribus 

 valde incrassatis composito; ramis 3-20 mm longis, obtusis 

 vel acutis, simplicibus vel suljirregulariter pinnatim ramulosis et 

 sœpe elongate flagelliformiter productis (c. 4-6 cm. longis); ramulis 

 c. 5-8 mm. longis; ramis ramulisque dense foliosis teretibus. 

 Folia sicca vix mutata, humida erecto-patentia vel patentia, hand 



