gg Art. 7.— S. Okamnra: 



Nomen varietatis ab colore ea, 



Sttreorlon plunuv forints (WïLS.) MlTT. 



Kyûshû: Prov. Osumi, in insula Amami-Oshima (Coll. Shôzô 

 Yajima ! ). 



Iso/tfi rygimii <'.fjnr/fe*ceits LEVIER. 



Kyushu: Prov. Osumi, Nase, Amami-Ôshima (Coll. K. 

 Miyamoto! Julio, 1909.). 



flag iot he c iu m JUatsttmnrœ Sh. Okamura. sp. 110V. 



(Tab. XVIII.) 

 Habitat io in truncis arborum defectrum silvaticarum. Itobus- 

 tum, ca?spitosum, cicspitibus laxiusculis niticliusculis mollibus 

 lutescenti-viridibus. Inflorescentia dioica. Caulis prostratus, rubigi- 

 noso-radiculosus, irregulariter pinuatim ramosus c. 2-3 cm. longus, 

 cum foliis c. 3-4 mm. latus, sectione rotundatus, c. 0.3-0. 35. mm 

 in diametro, fasciculo centrali pluricellulari, reti intermedio 

 hyalino, cellulis pentagonis vel bexagonis c. 15-30,« in diam., 

 peripherico e cellulis luteis 3-5-seriatis valde incrassatis composito; 

 ramis prostratis c. 1-1.5 cm. longis, obutusis vel elongatum 

 attenuatis et sa?pe flagelliformibus, paulum ramulosis; caulibus 

 ramisque dense Miosis vakle complanatis, sa?pe stolonil'erosis Folia 

 sicca vix mutata, humida erecto-patentia, leniter concava, sym- 

 metrica vel asymmetrica, breviter decurrentia, ovato-oblonga, apice 

 breviore et latiore acuta, c. 2. 2-2. 4 mm. longa et c. 1mm. lata, e 

 medio ad apicem transverse rugulosa, marginibus basi inflexis dein 

 planis, integerrimis vel subintegerrimis; nervo valido, ultra 

 medium evaniclo, furcato, sectione transversali plano-convexo, basi 

 e 3-stratis cellularum composito, c. 40/.! crasso; cellulis linearibus, 

 c. 90-140/-! longis et c. 5-7/^ latis, superioribus brevioribus c. 30- 

 40/^ longis et c. 4/^ latis, basilaribus infimis laxioribus c. 9,« latis, 

 ssepa fuscis, porosis, alaribus quadratis vel rectanglis, c. 30-50/« 

 longis et c. 20-30,« latis, hyalinis. Ramulus perichaetialis valde 

 rubiginoso-radiculosus. Bracteae perichsetii externa? e basi erecta? 

 ssepe recurvata?; intima? e basi alte vaginante breviter attenuata?, 

 c. 1.6-1.8 mm. longa?, erecta?, integerrima?, énerves. Vaginura 



