32 ART. 4. — SHUTAI OKAMURA : 



Habitat in truncis arboriim. Plmitae robustiusculae, caespitosae, 

 caespitibus lutescenti-viridescentibus, nitidiuscnlis, moUiusculis. 

 Caulis Primarius elongatns, repens, divisus, hie illic fasciculatim 

 fuscescenti-radiculosus ; secundariiis longe dépendons, leviter flexu- 

 osus, c. 8-20 cm. longus, dense pinnatim ramosus, sectione teres, 

 c. 0.32 mm. diam., fasciculo centrali nullo, reti centrali hyalino, 

 cellulis hexagonis tenellis c. 14/^ magnis, cellulis periphericis c. 5-8- 

 seriatis sensim minoribus valde incrassatis Inteis vel fuscescentibus ; 

 ramis patentibns vel horizontalis, c. 6-30 mm. longis, strictis leviter 

 curvatis vel panlum flexuosis, hand hainnlosis, simplicibns saepe 

 parce (1-4) ramulosis, obtnsis ; caiilibus ramis ramulisque dense 

 squarrose foliosis teretibns. FoUa sicca imbricata vel leviter cris- 

 pata, e basi breviter decurrente suberecta semiamplexicauli late 

 ovata vel i'otundato-ovata, apice sensim brève vel longe subulato- 

 attenuata, subula subcanaliculata recurvo-squarrosa, c. 1.6-2.0 mm. 

 longa et c. 0.8-1.0 mm. lata, concava, hand plicata, marginibus 

 ubique praecipue ad apicem argute serratis vel serrulatis, apice 

 saepe undulatis ; nervo tenui, infra apicem folii evanido, in sectione 

 transversali plano-convexo, dorso paulum prominenti, basi c. 40;« 

 lato et c. 20/^ crasso, e 3-stratis cellularum incrassatarum uni- 

 formium composite ; cellulis chlorophyUosis, incrassatis, utrobique 

 facie papilla singula medio notatis sed hand opacis, longe rhom- 

 boideis vel breviter linearibus, c. 28-40/^ longis et c. 3-4 /^ latis, 

 basilaribus longioribus latioribus c. 40-60 f^ longis et c. 7-10 r- 

 latis laevibus inter sese porosis, in alis saepe paulum concavis 

 distinctis (rarius indistinctis) numerosis (c. 20-40) quadratis vel 

 oblongis c. 14-28/^ longis et c. 10-15;^ latis baud porosis vel parce 

 porosis hyalinis vel fuscescentibus. Inßorescentia dioica ; flores 

 masculi ignoti ; flores feminei in ramis vel caule. Ramulus peri- 

 chaetialis hand radiculosus. Bracteae perichaetii intimae deltoideo- 



