CONTRIBUTIONES NOVAE AD FLORAM BRYOPHYTON JAPONICAM. 65 



Stereodon fertilis (Sendtn.) Linde. 



Korea : in monte Gatokurei (Leg. Takenoshin Nakai ! 5. VII. 1914.) ; 

 in monte Hakutosan (Leg. Takenoshin Nakai ! 10. VIII. 1914.). 

 Species nova ad floram koreanani. 



Stereodon pliimaefomiis (Wils.) Mitt. 



Formosa : Prov. Tailiokuclio ; in monte Mentenzan [M ^ Uj] (Leg. 

 Yaichi Shimada ! 31. X. 1914.) ; Tailioku (Leg. Hisahiko Sasaoka ! 2. XL 

 1912.). 



Isoxjterygiwui expallescens Levier. 



Formosa : Prov. Tliilioku-cho ; Urai (Leg. Jukichi Shiraga ! VII. 1911.). 

 Species nova ad floram formosanam. 



Isopterygitim Giraldii (C. Müll.) Par. 

 Formosa : Tailioku (Leg. Yaichi Shimada ! 20. VI. 1914.). 



Isopterygiuiu Misauchii Sh. Okamura. sp. nov. 



Habitat in truncis arborum defectrnm. Plantae graciles, cae- 

 spitosae, caespitibus laete viridibus, late extentis, moUibns, nitidis. 

 Calais repens, usque ad 4 cm. longus densiuscule rubiginoso-radi- 

 culosus, laxe et irregulariter pinnatim ramosus, sectione teres, c. 

 0.16 mm. diam., fasciculo centrali nullo, reti centrali hyaline, cellulis 

 tenellis hexagonis c. 15-20/^ magnis. ceUulis periphericis c. 2-3- 

 seriatis minoribus c. 7-9 /^ magnis hand incrassatis lutescenti-viri- 

 descentibus vel lutescenti-fuscis ; ramis prostratis, usque ad 1.5 cm. 

 longis, simplicibus, densiuscule foliosis valde complanatis, apice ob- 

 tusis vel breviter attenuatis. Folia sicca patentia leviter plicata, 

 madida patentia non plicata, baud decurrentia, symmetrica, e basi 

 ovata lanceolata, in acumen elongatum angustum subulatum sensim 



