53^ 



Eleocharis (Eleocliaris propria, Leiocarpiae) liukiuensis Makino sp. 

 nov. 



0{esi)itose, attaining al)C)Ut 3 decim. liigh ; roots fasciculate- fibrous.. 

 {!5tems many, erect, slender or rather stout, with many striations 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 |-^ mm. long ; basal scales short, mem-^ 

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

 flowered, 12-1.') mm. long, 4-.") mm. across, viridescent-ferruginous ; rachilla 

 glabrous. Basal gliune suberect, emln-acing, ovato-oval, rounded at apex,, 

 scarious towards margin, viridescent and ferrugineo-punctate towards the 

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

 bricated, suberect, oval-elliptical, nuiticous 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} mm. long, midrib disappears before reaching the apex, otherwise 

 nerveless. Set^e 6, exceeding the caryopsis and about equal to the style-base 

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

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

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

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

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

 attenuated at base, com[)ressed-trigonous, griseo-straminous or stramineous,, 

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

 under lens, slightly wider than the style-base, 1^ 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. 



Hah. Liuiviu : Isl. Okinawa {Tasusada Taskirol herb. Sc. Coll. Imp. 

 Univ. Tokyo, April 1887). 



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

 and a]s(.» to E. cTjUndroslachys Boeckel. 



Scirpus (Sciri)us i)r(>prius) nipponicus IMakino in Bot. Mag., Tokyo^ 



IX. {i^'j:)) J). 311. 



Perennial, attaining lO^i decim. in height, fiaccid, quite glabrous^ 

 standing in water ; roots fibrous. Ehizome horizontally repent, slender. 



