600 CLxxn. OTPEBAOBa:. (0. B. Clarke.) [Cyperus, 



8. C. silletensis, Nees in Wight Contrib. (1834) 79 ; middle-sized or 

 slender, stolons 0, umbel contracted or reduced to 1 head, spikes globose 

 dense, spikelets small linear many-fld., glumes ovate-oMong, nut oblong- 

 obovoid ^ length of glume. Kunth Ewum. ii. 33 ; Boeck. in Linnsea, xxxv. 

 555 ; C. B. Clarke in Journ. Linn. Soo. xxi. 132.— Oyperus, Wall. Cat. 

 3363 F, 3536 (partly). 



BengaIi, Assam, SrEKiM, and Bukma. 



Stems 4-12 in., rather slender at top, flowering the first year, but often producing 

 short lateral shoots from the base of stem. Spikes pale brown. Glvmes at top sub- 

 triangular. Otherwise resembling 0. difformis. — Seldom collected, but not rare. 



9. C. pulcherrimus; Willd. ex Kunth Efvwm. ii. 35 ; middle-sized, 

 stolons 0, umbel dense usually compound with innumerable spikesof 5-10 

 very small linear spikelets, glumes ovate-oblong, their oblong tip inflexed 

 towards rhachilla, nut broadly ellipsoid f length of glume. Mig^. Fl. InA. 

 Bat. iii. 267 ; Boech. in Limnsea, xxxv. 573 ; C. B. Clarke in Journ. Linn. 

 Soc. xxi. 132 ; Trimen Cat. PL Ceylm, 100. 0. eumorphus, Bteud. in Zoll. 

 Verz. Ind. Archip. ii. 63, and 8yn. Cyp. 22; Miq. I.e. 268. 0. silletensis, 

 Thw. Enum. 343. 0. Haspan, Bmth. FL Austral, vii. 270 {partly).— 

 Cyperus, Wall. Cat. 8357. 



SiHi, Pimwill. Bengal, WalUoh. Assam, Griffith, &c. Cetion, ThwaUes. 

 PENANft, Curtis, n. 1954. — Disteib. Java, Borneo. 



Very near 0. silletensis ; dried examples are easily distinguished by the crisped 

 incurved top of glume. Spikelets very like those of 0. flavidus, which is a slender 

 species. ' 



10. C. Kaspan, Linn. Sp. PL 66 {partly} ; middle-sized or small, 

 pale or red not yellow, rhizome long-creeping but plant often flowering in 

 first year, spikelets 2-6-digitate small linear, stamens 3-2, nut small ovoid 

 or obovoid ^-^ length of obtuse glume. Boxb. Fl. Ind. i. 210 ; Nees im 

 Wight Gontrih. 80 {partly) ; Kwnth Enum. ii. 34 ; Dalz. & Gibs. Bomb. Fl. 

 282 ; Thw. Enum. 343 ; Boeck. in Linnsea, xxxv. 574, var. a partly, aad 

 var. ^ ; C. B. Clarice in Journ. Linn. 8oc. xx. 287, and xxi. 119. C. grami- 

 nifohua. Pair, in Lam. Eneye. vii. 267 ; Kunth I. c. 98. C. pes-avium, 

 Bertol. Misc. Bot. viii. 30, t. 3, fig. 1. Oyperus gracilis, Serb. Seyne, 

 Wall. Cat. 3369, D, E, F, 3372.— Scirpus, Bjott.b. Descr. et Ic. 58, 1. 17, fig. 3 

 {excl. Syn. Linn.), 



Throughout India ; abundant, especially in dibbled rice-fields. — Disteib. All 

 warm regions. 



Glabrous. BMzome in typical form creeping, 6 in. and upwards, covered by 

 ovate triangular scales and with distant solitary stems ; but stems often csespitose 

 on a very short rhizome or with fibrous roots only. Stems 4-30 in., sometimes 

 stout, almost 3-winged at top, sometimes slender trigonous. Leaves short or longer 

 and overtopping the stem, or 0. Umhel small or large, compound or simple, thin 

 straggling with few spikes, or dense with innumerable spikes ; bracts short or long 

 and far overtopping umbel, (in Khasia examples) long, i in. broad, tip triangular, 

 lanceolate. Spikelets i— | by aVVo '"■> 10-40-fld., varying much in development. 

 QVumes close-packed, ovate, obtuse, obscurely (or not) muoronate. Anthers linear- 

 oblong, often bristly at top. Nvi trigonous, slightly compressed, minutely scabrid 

 or smooth, pale brown (sterile white) ; style about as long as nut, branches linear 

 slightly exsert. — This and many other species show that in Cgperaceae stoutness of 

 stem, length and breadth of leaves, development of umbel, length of bracts, are 

 often futile characters. 



11. C. flavidus; Betz. Obs. v. 13; slender, annual, ripe yellow or 



