90 AET. 4. SHÜTAI OKAMUEA : 



Formosa : Prov. Taihoku-chô ; Shabôsan [fi^ ift Ui] (Leg. Yaichi Shi- 

 MADA ! 30. XII. 1914.). 



Species P. jjlicahùlo Caed. valde affinis, sed foliis longioribiis, 

 apice subito elongate et anguste atténua tis di versa. 



Nomen speciei ab foliis perattenuatis. 



JBrachytheciuin plumosum (Sw.) Bii. eue. 



Formosa : Prov. Taihokn-chô ; Sliabôsan (Leg. Yaichi Shimada ! 2. I. 

 1913.). 



3Iyuroclada concinna (Wils.) Besch. 



Korea : Prov. Kankyô-nando ; Shôshinzan [fô E Uj] (Leg. Takenoshin 

 Nakm ! 27. Vm. 1914.). 



OxyrrhynchiuTti Schotttn'ùlleH (Broth.) Broth. 



Hondo : Prov. Ivôduke ; Maru-numa (Leg. Haraikaava ! "VII. 1914). 

 Habitat in solio lacus c. 2 m., prof undo. 



Oxyrrhyuchiuin Schottniiïllet'l (Broth.) Broth, var. 

 perlongicladum Sh. Okamura. var. nov. 



Habitat in rivulornm saxis irroratis. Plantac robustae, caes- 

 pitosae, caespitibus late extentis, lutescenti-viridibus, nitidiusculis, 

 rigidiusculis. Caidis repens, valde elongatus, c. 25 cm. longus, 

 basi nudus, baud radiculosus, densiuscule ramosus, sectione sub- 

 angulato-teres, c. 0.5 mm. diam., fasciculo centrali c. 40 /^ magno 

 pauciceUulari, reti intermedio hyaline, ceUulis hexagonis c. 25- 

 30/^ magnis, cellulis periphericis c. 5-seriatis minoribus lutescenti- 

 fuscis subincrassatis ; ramis repentibus, perelongatis, usque ad 18 

 cm. longis, subflexuosis, laxiuscule foliosis haud complanatis et 

 hic illic nudis, apice obtusis vel breviter attenuatis, vage ramulosis ; 



