Cyperus!\ Cyperacece. 3 5 



33. C. Zolling-eri, Steud. in Zoll. Vers. Ind. Archifi. ii. 62 (1854). 

 C. compressus, var., Thw. Enum. 342. C. tenuiculmis, Boeck. in 



Linneea, xxxvi. 286. C. lucidnhts, Clarke in Journ. Linn. Soc. xxi. 99; 

 Trim. Syst. Cat. 100 (non Klein). C. P. 807. 

 Fl. B. Ind. vi. 613. 



Perennial; rootstock short, stout, root- fibres strong; stems 

 solitary or 2-3-nate, 1-3 ft., slender, triquetrous, faces hollow, 

 angles smooth; 1. shorter than the stem, very narrow, about 

 \ in. broad, 1 -veined, margins smooth; umbel simple or 

 compound, rays 3-6, very slender, 3-6 in. long, bearing 3-5 

 spikelets, sometimes crowded and very short when the spike- 

 lets form a confused fascicle or head ; bracts 2 or 3, short, 

 and one as long as the umbel or longer; spikelets sessile or 

 pedicelled, ^-nearly £ by \ in. broad, linear, acute, not strongly 

 compressed, about 20-fid., rhachilla slender, flexuous, inter- 

 nodes A of the glume in length, wings large, oblong, caducous; 

 glumes suberect, loosely imbricate, broadly ovate, subacute, 

 cymbiform, dorsally 5-7-veined, keeled, green, sides coria- 

 ceous, brown, margins very narrowly hyaline ; stam. 3, anth. 

 linear-oblong, muticous ; nut half as long as the glume, 

 shortly obovoid, obtuse, trigonous, black, style as long as the 

 nut, stigmas 3, capillary. 



Wet places in low country ; apparently rare. Peradeniya ; near 

 Tissa Tank, S. Prov. Patanas of Uva and of the Central Province, alt. 

 3000-5600 ft. (Pearson). Fl. Oct.-Dec. 



Throughout Tropics of Old World. 



34. C. rotundus, L. Sp. PI. 45 (1753). KLalanduru, S. 

 Korai, T. 



Herm. Mus. 2. Burm. Thes. 107. Fl. Zeyl. n. 36. Moon, Cat. 6. 

 Thw. Enum. 343 (part). C. P. 804 and 3966 (partim). 



Fl. B. Ind. vi. 614. Rottb. 1. c. t. 14, f. 2 {C. hexastachyos). 



Perennial; rootstock small, tuberous, stoloniferous, stolons 

 elongate, slender, bearing ovoid, hard, tunicate, black, fragrant 

 tubers ^-1 in. diam., root-fibres wiry, covered with flexuous 

 root-hairs ; stems subsolitary, 6-24 in., slender, trigonous 

 below, triquetrous above, base sometimes tuberous; 1. sub- 

 radical, shorter or longer than the stem, narrowly linear, \-\ in. 

 broad, finely acuminate, or narrowed from the middle to both 

 ends, flat, flaccid, 1 -veined; umbel simple or compound, 

 primary rays 2-8, unequal, very slender, bearing short spikes 

 of 4-10 slender spreading red-brown spikelets (infl, sometimes 

 contracted into a head) ; bracts 3, longest up to 7 in.; spike- 

 lets \-\\, by jV in., linear, acute, slightly compressed, 10-20- 

 fid., pale or dark red-brown ; rhachilla very slender, wings 

 elliptic ; glumes about tf _ to i n -> closely or loosely imbricate, 

 suberect, ovate, obtuse, dorsally green, hardly keeled, streaked 



