CYPERACE^. 



109 



et foliis instructus basi sursum efoliatus infloresccntis exceptis hand ramosus, 



squamis infimis triangularibus rninutis interioribus gradatiin elongatis longiori- 



bus ad folium abeuntibus. Folia subaccrosa recta erecta glabra cum vaginis 



10-20 cm. longa, vaginis quam lamina duplo longioribus 2 mm. latis apice 



transverse vel plus minus oblique truncatis latere dorsali excepto tenuissime 



membranaceis hyalinis, laminis 



acerosis apice acutis vel obtusis 



margine plus minus plicato- 



recurvis in sectione ^Y-formi- 



bus glabris in explicate 1 mm. 



vel minus quam 1 mm. latis. 



Cymse subumbellatse vel corym- 



bosse, (radii's vel ramis 5-8, 



1-6 cm. longis laxe et paucequo 



1-5 spiculiferis), basi bracteis 



4-5 suffultis, bracteis foliifor- 



mibus basi gradatim dilatatis 



basin cymse amplectantibus 



1-5 cm. longis nunquam ramos 



inflorescentise superantibus. 



Spicula lineari-oblonga 1 cm. longa 3-4 mm. lata apice acuta basi obtusa ; 



squamis mediis ovato-oblongis 4 mm. longis 2 mm. latis apice acutis obscure 



1-costatis intcgris. Nucula obovata 1 J mm. longa | mm. lata apice truncato- 



rotundata basi cuiieato-attenuata Isevis facie minus dorso plus convexa. Styli 



4 mm. longi apice 2 fidi (ramis glabris filiformibus 1^- mm. longis recurvis) 



basi hand dilatati glabri supra basin usque ad ramificationem barbati. 



HAB. Anpin, leg. TAKAGI, Oct. 1914. 



Near F. ferruginea, but separable from it by the perfectly smooth nutlets. 



Fimbristylis (sect. Dichelostylis) boninensis HAYATA sp. nov. (Fig. 27). 

 Planta csespitosa ascendens. Caulis (vel scapus) 20-50 cm. longus erectus rectus 

 valde complaiiatus (ut videtur) glaber in exsiccato multo-sulcato-striatus 2mm.-2^- 

 mm. latus apice capitatim spiciger basi squamis et foliis suffultus, squamis 

 exterioribus ovatis, interioribus gradatiin elongatis ad folium abeuntibus. Folia 



a 



Fi g. 26, Fimbristylis nnpinensis HAYATA ; a, a 

 scale ; b, the same in section ; c, an ovary with the 

 style and stamens ; d, a nutlet ; e, the same in section ; 

 f. cellular structure of the outer coat of the nutlet. 



