Cyperus.'] OLXXII. OTPBRACE^. (C. B. Clarke.) 619 



and bracts very long broad, umbel very large, spikes long linear-cylindric, 

 spikelets linear snbterete suberect dirty straw-colour, wings of rhacheola 

 broad-lanceolate yellow separating, crest of anthers ^ f length of cells. 

 (7. B. Clarke in Journ. Linn. Soc. xxi. 190. C. elatus, Roxb. Fl. Ind. i. 

 204 (not of Linn.). C. maximus, Roxb. ms. C. fastigiatus, Rottl. in Neu. 

 Schr. G-esell. Freunde Berlin, iv. 210 (not of Rottb.). C. emine,ns, Klein, 

 ms. ; Kunth Enum. ii. 70 ; BoecJc. in Linn&cu, xxxvi. 312. C. Roxburghii, 

 Nees in Wight Contrib. 84 ; Kunth 1. c. 99 ; Thw. Enum. 843. Papyrus 

 latifolius, Willd. in Abhandl. AJcad. Berol. (1816), 74. Cyperus, Wall. 

 Gat. 3341, B. 



DECCAN PENINSULA; Eottler, &c. CEYLON ; Thwaites (n. 3041). 



Stem 6 ft., sometimes more, at top triquetrous, scabrous, angles cutting. Leaves 

 often 1 in. broad, two lateral nerves prominent above, whiteish underneath, often 

 scabrous on keel. Primary rays of umbel 8-10 in. Spikes 4 in. 



RESIDUARY SPECIES. 



C. BRUNNESCENS, Boeck. Gyp. Nov. ii. 3 ; robust, wholly brown-fuscous, umbel 

 simple 6-8 in. diam., spikelets oblong obtuse, -glumes 8-10-striate with recurved 

 rnucro, style very slender deeply 3-fid. Singapore; Voight, 



C. CORONARIUS, Kunth Enum. ii. 44. (Scirpus coronarius, Vahl Enuin. ii. 261. 

 Isolepis coronaria, Roem. Sf Sch. Syst. ii. 113.) Bengal. Style trifid, Kunth; bifid, 

 Vahl, " Resembles Kylliugia nionocephalse " Vahl. 



C. CTLINDRICUS, BoecJc. in 'Flora, xlii. 437 bis.' IND. ORIENT. " Very like C. 

 Wallichianus, Spreug.," Boeckeler. But C. Wallichianus, Spreng. has been in- 

 scrutable to botanists (see Kunth Enum. ii. 98) nor is it known where Boeckeler has 

 elucidated it. 



C. INDICUS, SoecTc. Cyp. Nov. i. 6 (not of Persoon) ; 2 ft., umbel compound 6 

 in. diam., spikes dense cylindric, style deeply 3-fid, rhacheola narrowly winged. 

 Himalaya ; Bulvvascher Valley, alt. 2000 ft., and Jubbulpore, alt. 1000 ft., 0. Kuntze 

 (''Near Cyp. chilensis" Boeck.). 



C. PUSILLUS, Vahl Enum. ii. 303, i.e. C. pygmseus, Retz. Obs, iv. 9. 

 Tranquebar. 



C. RIGIDULUS, Vahl Enum. ii. 342. Ind. Orient. 

 C. SETIFOLIUS, Don Prodr. 38. Nepaul. 



C. SPONGIOSO-VAGINATUS, EoecJc. Cyp. Nov. i. 6 j tall, umbel compound, spike- 

 lets loosely spicate, wings of rhachilla linear-oblong cuspidate yellow'soon separating. 

 BENGAL ; 0. Kuntze. Perhaps C. digitatus or C. Oatesii. ' 



C. TENER, Vahl Enum. ii. 299. Ind. Orient." Isolepidis sp. 2." Kunth. 



C. TRISULCUS, Don Prodr. 39. Nepanl. 



C. UMBELLATUS, Burm. Fl. .2nd. 21, t. 9, fig. 1. (not Hoxo.}.~ Perhaps 



C. WALLICHIANUS, Spreng. Syst. Cur. Post. 28 (C. pulcher, Don Prodr. 38). 

 Nepaul. 



5. 1KARXSCUS, Vahl. 



Leaves and bracts grass-like. Glumes persistent, 2 lowest empty, 1-12 

 succeeding bisexual nut-bearing; rhacheola disarticulating above the 2 

 lowest empty glumes leaving a knob. Otherwise as Cyperus. Sp. 160, 

 warm regions. 



Subg. I. BULBOCATJLIS. Base of stem oblong thickened by the turgid 

 membranous coloured sheaths. (Sp. 1-2.) 



