110 



CYPERACEJE. 



coriacea ad basin caulis conferta cum vaginis 735 cm. longa 5 2|- mm. lata 



linearia erecta vel recurva glabra, vaginis 310 cm. longis cylindricis latere 



interiore tenuissime membranaceis hyalinis ore oblique truiicatis minute 



hirsutis, laminis glabris 



coriaceis margine sub lente 



minute serrulatis margine 



exteriore leviter recurvis. 



Capitula spicularum glo- 



bosa singulariter vel 



geminatim sita 2 cm. in 



diametro basi bracteis 2 \s\\\\ \\ \ // \\ 



instructa, bracteis 2-4 cm. ^5fflVU^ \\ 



longis foliiformibus hori- 



, ,., ,. ... . Fia. 27. Fiiriljristylis boninensis HAYATA; a, a scale; 



zontaliter divancatis. Spi- ,, , 



b, an ovary with the style and stamens ; c, a nutlet ; a, 



cula dense 10-20 COllgesta the same in section; e, cellular structure of the outer coat 

 ovoideo-fusiformis 8-12 of the nutlet 



mm. longa 3-5 mm. lata apice acuta' basi obtusa, squamis niediis ovato-triangu- 

 laribus 3 mm. longis totiusque ktis apice breve cuspidato-acutis 1-costatis 

 integris. Nucula obtriangukri-c-bovoidea 1^ mm. longa 1 mm. lata vel minus 

 lata apice truncata, ad centrum breve apiculata basi obtusa vel cuneato-obtusa 

 longitudinaliter tessellata dorso plus facie minus convexa subplanoconvexa. 

 Styli 3 mm. longi lineares % mm. lati apice 2-fidi, ramis recurvis, basi liaud 

 vel vix dilatati apicem nuculse obtegentes medio sursum usque ad ramifica- 

 tionern dense barbati basi cum ramis glabri. 



HAB. Bonin : Chichizima, leg. H. HATTORI, Sept. 1905. 



Comparable to some extent to F. sericea, but greatly different from it by 

 the very much longer glabrous leaves. 



Fimbristylis (Sect. Eleocharioides) kagiensis HAYATA sp. nov. Annua ? 

 csespitosa 10-15 cm. alta. CauL's (vel scapus) 8-15 cm. longus basi squamis 

 foliis suffultus. Folia cum vaginis 6-15 cm. longa quam caulis longiora vel 

 breviora suberecta vel ascendentia lineari-filiformia vel acerosa glabra, vaginis 

 1 J cm. longis laminam ^ J-plo requaiitibus tubiformibus latere interiore teiiuis- 

 sime membranaceis, ore obliquo utraque latere auriculis rotundato-triangularibus 



