48 Cyperacece. \Fimbristylis; 



Umbel effuse . . .27. F. complanata. 



Umbel contracted . . 28. F. Kraussiana. 



Style pubescent . . .29. F. junciformis. 



1. P. tetrag^ona, Br. Prod. Fl. Nov. Holl. 226 (1810). 

 F. Arnottii, Thw. Enum. 348. C. P. 830. 



. Fl. B. Ind. vi. 631. 



Perennial, glabrous ; stems 6-24 in., slender, 4-angled and 

 ribbed, root-fibres stout ; 1. o, or upper with an erect, lanceo- 

 late, acuminate limb, the margins of which are scarious and 

 brown, sheaths chestnut-brown ; spikelet solitary, \-^ in., erect, 

 conico-ovoid, obtuse, terete, dense-fid., lowest glume some- 

 times hardly bracteiform, at others half as long as the spikelet, 

 coriaceous, deciduous, rhachilla elongate - conical, thickly 

 studded with deep tetragonous pits with raised borders ; glumes 

 closely imbricate, lowest 2-3 empty, ^ in. long, broadly oblong 

 or obovate-oblong, concave, tip rounded, scarious with a broad 

 coriaceous central band ; anth. narrowly linear, muticous ; nut 

 xs in. long, stipitate, narrowly linear-oblong, narrowed down- 

 wards, trabeculate with slender parallel ribs, and minute cross 

 bars, nearly white, style as long as the nut, flattened, pubes- 

 cent/base pyriform, stigmas 2, short. 



Wet places in moist low country; rather common. Fl. all the year. 

 Also in Peninsular India and Trop. Asia and Australia. 



2. F. acuminata. Vahl, Enum. PI. ii. 285 (1806). 



Thw. Enum. 348. Nees in Wight, Contrib. 96. C. P. 2747. 

 Fl. B. Ind. vi. 632. 



Perennial (?) densely tufted; stem 4-10 in., very slender, 

 erect or curved, obtusely trigonous, root-fibres slender; 1. very 

 small or o, sheath green, \-\ in., with a short, erect, ovate or 

 lanceolate, acute limb often margined with brown ; spikelet 

 solitary \ to nearly \ in., erect, rarely inclined, narrowly ovoid, 

 acute, few-fid., pale, shining, lowest glume usually broadest, 

 with a strong green midrib, deciduous, rhachilla stout, angular, 

 with broad raised concave facets between the glumes; glumes 

 rather loosely imbricate, \-\ in. long, broadly ovate or obovate- 

 oblong, obtuse, apiculate, concave, scarious with a broad 

 coriaceous centre; stam. 3; nut orbicular or oblate, strongly 

 dorsally compressed, about y- in. in transverse diam., sessile, 

 crossed transversely of 5-6 strong waved ridges, white, opaque, 

 style long, broad, pubescent above the middle, base hardly 

 dilated, truncate, stigmas 2, short. 



Moist hot region ; common. Fl. all the year. 

 Throughout Trop. Asia and in Australia. 



3. F. nutans, Vahl, Enum. PL ii. 285 (1806). 



Nees in Wight, Contrib. 96. Thw. Enum. 348. C. P. 832. 

 Fl. B. Ind. vi. 632. 



