lout. 



OBSER VA TJOyS ON THE FLORA OF JAVA N. L L 1 



ISti[tt. If), 1886); Prov. Siiimotsuke: Akauuma-no-hara on Mt. Nikko (T. 

 Makiuul Sept. J 903). 



Rare; it is found growing in mountainous districts. 



Eleocharis (Eleocharis propria, Leiocarpicaj) liukiuensis Makiuo up. 

 uov. 



Cscspitose, attaining about 3 decim. high ; roots fasciculato-fibrous. 

 Steins many, erect, slender or rather stout, with many striatums and nearly 

 terete, not angulate, not transversely septate, attaining about 2^ mm. in 

 diameter ; the uppermost vagina membranaceous, tubular, closely adpressed, 

 attaining 4 cm. long, 8-9-nerved, minutely ferrugineo-punctate, sub-obliquely 

 truncate, with an erect acumen |-li mm. long ; basal scales short, mem- 

 branaceous. Spicnla terminal, erect, cylindrico-oblong, acutish, many- 

 flowered, 12-15 mm. long, 4-5 mm. across, viridescent-fermginous ; rachilla 

 glabrous. Basal glume suberect, embracing, ovato-oval, rounded at apex, 

 scarious towards margin, viridescent and ferrugineo-punctate towards the 

 centre, closely 3-nerved in centre, 3-3J mm. long. Glumes many, im- 

 bricated, suberect, oval-elliptical, muticous and rounded at apex, thinly 

 membranaceous, hyaline on lower both sides and towards the entire margin, 

 ferruginous above, disparsedly ferrugineo-punctate towards the green centre, 

 about 4. 3 , mm. long, midrib disappears before reaching the apex, otherwise 

 nerveless. Setre 6, exceeding the caryopsis and about equal to the style-base 

 in height, ferruginous, subrigid, densely plumose with retrorse-patent ferruginous 

 hairs. Stamens 3; filament filiform, longer than seta? ; anther linear, acute 

 at apex. Style exserted, ferruginous, deeply 3-fid; arms filiform, puberulent, 

 longer than the glabrous main portion except the dilated base. Caryopsis 

 obovoid, rounded and closely applied to the style-base at apex, shortly 

 attenuated at base, compressed-trigonous, griseo-straminous or stramineous, 

 very finely striate and marked with longitudinal-oblong pits between striae 

 under lens, slightly wider than the style-base, H mm. long ; style- base 

 large, slightly longer than the caryopsis, angustately deltoid-ovate, acute- 

 acuminate, compressed, ferrugineo-striato-punctate, albido-pulvereo-puberulent 

 except the apex. 



Hab. Liukiu: Isl. Okinawa (Yasusada Tashirol herb. Sc. Coll. Imp. 

 Univ. Tokyo, April 1887). 



This seems to come near to Eleocharis tetraquetra Nees, but stouter, 

 and also to E. cylindrostachys Bceckel. 



