CYPERACE^;. 107 



Eleocharis R. BR. 



Eleocharis acicularis B. BROWN; MATSUM. et HAYATA Enum. PL 

 Formos. p. 480. 



HAB. Taihoku : Koteisho, leg. Y. SHIMADA, Juli. 1914. 



Eleocharis fistulosa LINK in HOOK. f. Fl. Brit. Ind. VI. p. 626. 



HAB. Toyen, leg. S. SASAKI, Nov. 1910. 



Eleccharis capitata R. BE. ; HOOK. f. Fl. Brit. Ind. VI. p. 627 ; 

 MATSUM. et HAYATA Enum. PL Formos. p. 480. 



HAB. Ako, leg. T. SOMA, Mai. 1915. 



"Roots fibrous, stems somewhat slender, spikelets small dense obtuse, 

 bristles as long as nut retrorsely scabrous brown or ferruginous, nut black 

 smooth, style 2-fid base small depressed pale". "Stems 2-1 4 in. Spikelets 

 -in. pale. Bristles 7, or fewer. Nut as long as f glume, compressed, 

 obovoid." 



Eleocharis (Eu-deocharis Leiocarpicce) Shimadai HAYATA sp. nov. 

 (Fig. 24). Annua. Caulis efoliatus 15-30 cm. longus 4- mm. latus erectus 

 rectus glaber teres basi vaginis singuh"s 

 instructus, vaginis 3 mm. longis tubu- 

 losis % mm. latis Jmud fissis ore sub- 

 truncatis apice triangulari-acutis. Spi- 

 cula solitaria terminalis oblonga 

 cylindrica 7 mm.-20 mm. longa 2^-4 



mm. lata apice acuta basi obtusa basi 



Fig. 24, Eieocluiris Shimadai HAYATA ; 

 bracteis persistentibus siiigulis instructa, a? }l scale . b> a nutlet 



bracteis oblongis apice obtusissimis basi Sfime i- section. 



spiculam semiamplectantibus hyalinis ; squamis mediis rhomboideo-obovatis 

 valde concavis 2^ mm. longis 1^ mm. latis apice obtusissimis basi subtruncatis. 

 Setae 6 achsenium in longitudiue duplo 83quant&s filiformes retrorse scabrae. 

 Achaanium flavum obovoideum 1 mm. longum ^ mm. latuni laeve dorso costato- 

 angulatum facie plauum in sectione triangulare apice obtusissimum basi angusta- 

 tum, stylo basi valde dilatato, partibus dilatatis conicis apicem achaanii mitra- 

 forme obtectis. 



HAB. Hokuto, leg. Y. SHIMADA, (No. 14, typus) Oct. 1914 ; Dai burin, 



