22 ART. 4. — SHUTAI OKAMÜRA : 



15 cm. longus, cum foliis c. 1.5-2.5 cm. crassiis, strictns vel leviter 

 flexuosns, rubiginosiis, basi dense fiiscescenti-radiculosus, simplex, 

 dense foliosus, obtusus. Folia infima minuta, dein sensim majora, 

 sicca adpressa crispata et circinato-involuta vel -convoluta et 

 spiraliter hie illic torta, humida arcuate erecto-patentia vel patentia, 

 e basi brevi (c. 2 mm. longo) semivaginante late ovali fascescenti 

 et pellucido sensim lineari-lanceolata, apice breviter acuminata, c. 

 14-17 mm. longa, basi c. 2.0-2.5 mm. in memio c. 1.2 mm. lata, 

 marginibus planis vel subplanis, e basi ad apicem dense (c. 80) 

 serratis, serraturis basilares angustioribus lutescenti-fuscis ex unica 

 Serie 1-3 cellularum formatis, in laminae parte infima minoribus 

 autem ad apicem majoribus rubiginosis vulgo uni-cellula formatis ; 

 nervo valido, in medio folii c. 0.16 mm. lato, cum apicem evanido, 

 doro e medio ad apicem dense 2-4-seriate spinoso-serrato ; lamellae 

 latitudinem folii totam occupantes, densissimae, sat numerosae (c. 

 70-80), humillimae c. 25-28 /^ altae, in sectione transversali ab 

 uno Strato cellularum (2-3 rarius 4) constructae, rarius in basi 

 vel medio duarum cellulae connatae, cellulis subaequalibus rarius ad 

 margin majoribus, cellula marginali laevi haud incrassata quadrato- 

 rotundata hemirotundata vel fere rotundata ; cellulis vaginalibus 

 folii inferioribus elongate rectangulis c. 50-70,« longis et c. 15/^ 

 latis, laminalibus minutis paulum incrassatis quadratis angusto 

 quadratis vel subhexagonis c. 10-15/^ magnis, marginalibus quad- 

 ratis c. 10/^ magnis. Inßorescentla dioica ; planta mascula ignota. 

 Ramulus perlchaetialis caulis innovatione pseudolateralis. Bracteae 

 2)enchaetil externae erecto-patentiae, intimae suberectae, e basi 

 longe (c. 3-4 mm.) semivaginante elliptica abrupte lineari-subulatae, 

 apice attenuatae subcarinatae, c. 13-16 mm. longae, basi c. 1.6-2.0 

 mm. medio c. 0.56-0.70 mm. latae, marginibus fere e basi ad 

 apicem dense serratis ; nervo valido, dorso superne 2 -seriate spinoso- 



