CONTRIBUTIONES NOYAE AD FLORAM J3RY0PHYT0N JAPONICAM. 67 



cellularum, deciduus. Exostomii dentés basi connati, subulato- 

 lanceolati, c. O.oö mm, longi et basi c. 70/^ lati, dorso lutoi, basi 

 transversim striatuli, superne papillosi, ventro dense (c. 30) et alte 

 lamellosi ; endostomium liyalinum, minutissime papillosum ; corona 

 basilaris ad medium dentium producta ; processus dentium fere 

 longitudinis, carinati in carina vix perforati ; cilia terna rarius bina, 

 bene evoluta, nodulosa, breviter appendiculata, Sporae c. 9-12/^ 

 magnae, luteo-virides, minutissime papillosae. Operculum e basi 

 conica breviter rostratum, c. 0.56 mm. longum et basi c. 0.56 mm. 

 diam., rostro crassiusculo recto obtuso. Cafyptra cucuUata, c. 2.8 

 mm. longa, inferne lutescenti-viridescens superne fuliginosa, laevis. 



Hondo : Prov. Sagarai ; Sagijama, Yokohama (Leg. Kiyotaka Hisa- 

 UCHI ! 27. V. 1915.) 



Habitus statura faciesque omnino /. taxirameum (Mitt.) Jaeg., 

 foliis autem apice anguste attenuatis, inflorescentia autoica, operculo 

 breviore rostrato longe diversis. 



Nomen speciei in honoren Coll. Dom. Kiyotaka Hisauchi. 



Jsopterygiuni taxiratneiim (Mitt.) Jaeg. 



Formosa : Prov. BincLiku-cliô ; Cliikimau-ippo (Leg. Hisahiko Sasa- 

 oivA ! 5. XH. 1912.). 



Vesicularia Sasaokae 8h. Okamuea. sp. nov. 



Habitat in rupibus. Plantae tenellae, dense deprrso-caespitosae, 

 lutescenti-virides, molles, nitidiusculae. Caulis repens, c. 4-6 cm. 

 longus, hie illic dense fasciculatim rubiginoso-radiculosus, denso et 

 regulariter pinnatim ramosus, sectione teres vel ellipticus, c. 0.24- 

 0.32 mm. diam., fasciculo centrali nullo, reti centrali hyalino, 

 cellulis tenellis hexagonis c. 15-28 />« magnis, cellulis periphericis c. 

 2-3-seriatis minoribus c. 10-15/^ magnis incrassiusculis luteis vel 



