6 ART. 4. — SHÜTAI OKAMÜRA : 



Kollo (Leg. Takenoshin Nakai ! 11. YII. 1914.). 

 Species nova ad floram koreanam. 



JDicramirn scoparlum (L.) Hedw. 



Korea : Prov. Heian-Hokudö, Hoknjômen, Kokai-gnn (Leg. Takeno- 

 shin Nakai! 1. Tu. 1914,); in monte Kohô (Leg. Takenoshin Nakai! 11. 

 Vn. 1914.). 



Species nova ad floram koreanam. 



FISSIDENTACEAE. 



J^Hssidens japonictis Doz. et Molk. 



Formosa : Taihoku (Leg. Yaighi Shimada ! 20. VI. 1914) ; Ural (Leg. 

 JüKiCHi Shieaga! vn. 1911.). 



Species nova ad floram formosanam. 



Fissidens lateralioides Sh. Okamura. sp, uov. 



Habitat in terra irrorata. Plantae teneUae. laxe caespitosae, 

 laete virides, haud nitidae, moUiuscnlae. Caulis adscendens, c. 7-10 

 mm. longus et c. 0.16 mm. diam., cum foliis c. 2.5-3.0 mm. latus, 

 infima basi fusco-radiculosus, simplex, densiuscule foliosus, obtusus. 

 Folia sicca leviter crispata, madida erecto-patentia, c. 10-15-juga, 

 infima c. 4-juga minuta, caetera majora, hand decurrentia, 

 lineari-lanceolata, apice acuta, c. 2.0-2.3 mm. longa et c. 0.5-0.56 

 mm. lata, integerrima autem summo apice minutissime serrulata, 

 lamina vera usque ad medium folii producta, oblique truncata, 

 lamina dorsali ad basin nervi enata, limbo ad apicem producto, 

 hyaline, dorsali inferne latiore c. 30-35 /< lato e seriebus c. 5-7, 

 superne sensim angustiore e seriebus duabus cellularum elongatarum 

 composite, ventrali inferne e seriebus 2-3, superne e seriebus 

 duabus composite ; nervo concolore vel saepe fuscescenti, superne 



