51 



Heleocharis fistulosa Boock. in Linnnsa XXXVI. p. 472 ; F. Mnell. 

 Fragm. Phytogr. Austral. VI. [\ 93, et VITI. p. 472; Bentli. Fl. Austral. 

 VII. p. 293. 



Scirpzcs fistulosus Poir. Encycl. Metb. VI. p. 749 ; Picem. et Schultes 

 Syst. Veg. 11. p. 127; Spreng. S^'st. V(3g. I. p. 205. 



Limnocliaris fistulosa Nees in Linogea IX. p. 294. 



Scirpus acutmigulus Roxb. FI. Ind. I. p. 213; Spreng. 1. c, 



Eleocharis actitangula Scbultes 1. c. p. 91. 



Limnochloa aciitamjula Nees in 'Wigbt Contrib. p. 114', et in Linnjea 

 IX. p. 294. 



Scirpus medius Roxb. 1. c. 



Eleocharis media Scbultes 1. c. p. 91 ; Steud. 1. c. i\ 81. 



LimnocJiloa media Nees 11. cc. 



Eleocharis planiculmis Steiid. 1. c. p. 80 ; Zolling. Syst. Verz. Ind. 

 Archip. I. p. 62; Miq. 1. c. p. 301. 



Scirpus angidatus Willd. berb. 1196, ex Kuntb 1. c. 



Stoloniferous ; roots, fibrous. Stems paiici-pluri-fascicnlate, attaining 

 al)OUt 37 cm. long (in my si)ecimon), about 3i mm. in diameter, not trans- 

 versely septate, triquetrous vvitb smooth acnte edges, smooth ; basal vaginre 

 thinly membranaceous, fistulose, obliquely truncate, acute at the apex, the 

 uppermost one longer and attaining about 9 cm. long. Spicula terminal, 

 solitary, erect, about as broad as the stem, narrowly cylindrical, gradually 

 narrowed above with an acute apex, many-flowered, viridescent, 16-20 mm. 

 long; ruchilla glabrous; basal scale 1, erect, shortly vaginate at base, angulate 

 at apex, carinate dorsally, chartaceous, but membranaceous on margin, many- 

 nerved, green. Glumes rather laxly imbricated, erect, herbaceo-subrigid, 

 concave, finely striate when dry, often very obscurely carinate, lato-ovate, 

 muticous, rounded-obtuse and entire or minutely obscurely erose at apex 

 narrowly scarious towards margin, smooth-margined, punctate with minute 

 ferruginous spots and obscurely sub-numerous-nerved towards the centre, 

 stramineo-viridescent, opaque, the midrib distinct and disap[)ears before reach- 

 ing the apex. Setje 6, pale-stramineous, unequal in length, some slightly 

 longer and some slightly shorter than the caryopsis, retroi-sely scabro-spinu- 

 lose. Stamens 3 ; filament membranaceo-filiform ; anther linear, acute at 

 apex. Style long, cxserted, 3-fid, ferruginous, about 7 mm. long, the main 

 portion filiform, pubescent towards tlie top ; arms shorter than the main 

 portion, filiform, puberulent. CMryoi)sis nearly as i gliune, nearly 2 mm. 

 long, biconvex, lato-obovoid, stramineous, the outermost cells transverse- 

 oblong, arranged in many longitudinal series; style-base shorter than 



