124 CYPEKACE^. 



obtusus apice 2-dentatus. Nucula fusco-castanea trigono-oblonga 1 mm. longa 

 1 mm. lata apice obtusa ad stylum abeuns basi acuta ad stipitem 0.3 mm. 

 longum abeuiis trigona ad angulos prominente carinata facie leviter concava ; 

 stylus basi plus minus incrassatus apice 3 fidus. 

 HAB. Hakkutaisan, leg. U. MORI, Sept. 1910. 



Subgenus Eucarex Coss et GERM. 

 Utricles not, or very shortly, rostrate. 



Female spicules densely flowered, bracts not vaginate . . Sect. Maxima. 

 Female spicules loosely flowered, bracts usually vaginate. Nutlet. 



mitrate at the apex Sect. Mitrafces 



Utricles long or shortly rostrate, beak 2 toothed rarely entire. 

 Leaves never septato-nodose (excepting Car ex attiiformis) 



Scales f dark purple or dark brown Sect. Frigidae. 



Scales $ ferrugineous or pale, rarely dark-brown. 

 Beaks of utricles 2-toothed or entire. 



Spicules mostly loosely flowered, bracts mostly vaginate ; 

 utricles nearly straight ovate-elliptical or narrower, 



pale green obsoletely nervose Sect. Hymenochlcence. 



Spicules $ densely flowered, bracts mostly not vaginate ; 

 utricles at length divaricate, ovate, rich brown or 



dark green, many-nerved Sect. Tumidce. 



Beaks of the utricles conspicuously 2-toothed 



Sect. Rhomboidales. 



Leaves septato-nodose (Carex pumila excepted) 

 Utricles glabrous 



Utricles membranaceous long rostrate. . . Sect. Pseudo-cyperece. 



Utricles subcoriaceous or suberous shortly rostrate 



Sect. Paludosce. 



Utricles more or less hirsute Sect. Hirtce. 



Sect. Maocimce. 



Carex maculata BOOTT; MATSUM. et HAYATA Enum. PI. Formos. p. 

 495. 



