Mariscus.] olxxii. otpbbaob^. (C. B. Clarke.) 623 



Var. ? 8 Tchasiana ; spikelets small obtuse yellow bearing 1 deoidnous nut. — 

 East Bengal, Qriffith ; Khasia Hills ; Shillong, alt. 4000 ft., C. S. Olarke. 



Sect. 2. Pgeudo-cyperns. Glumes m fruit sca/rcely imbricate (but per- 

 sistent). Spikelets hearing 4 (or more) nuts. (Sp. 8-]0.) 



8. m. ischnos, C. B. Clarke; Timbel of 1-3 spikes nearly (or quite) 

 agglomerated into 1 head, spikelets oblong bearing 4-7 nuts dirty-white, 

 rhacheola, very narrowly winged, nut oblong-ellipsoid J length of glume. 

 Oyperus ischnos, SchlecM. in, Bot. Zeit. vii. 99 ; Boeclc. in Linncea, xxxvi. 

 280. 



NiLQ-HiEi and KuEG Hills, G. Thomson (the single Old World example). — 

 DisTBiB. Trop. America. 



Nearly glabrous. Rhizome short. Stems 1-2 ft., slender. Inflorescence J in. 

 in diam., ovoid, dense. Spikelets t by -^ in. Nut-bearing glumes elliptic-oblong, 

 obscurely 9-nerved. Style short ; branches 3, linear. 



9. m. Kookerianus, O. B. Ola/rke; umbel of 7 cylindrio dense 

 spikes, rays scarcely any, spikelets oblong bearing 4 nuts dirty-white, 

 wings of rhaehilla lanceolate deciduous, nut oblong-ellipsoid as long as 

 glume. 



SiKKiM ; in hot valleys, J. H. Hooker. 



Glabrous. Rhizome (seen) horizontal, woody, rather slender. Stems approxi- 

 mate, 20 in. Leaves 8-12 by i in. Umbel li in. in diam. ; rays O-J in. ; bracts i, 

 up to 6 in. Spikes f by i in. Spikelets i by -^-^ in., when ripe obliquely erect. 

 Nut-bearing glumes obtuse, with 9-11 strong nerves. Nut trigonous ; style-branches 

 3, linear. 



10. nx. squarrosus, 0. B. Olarke ; slender, annual, umbel subsimple 

 spikes loose broad quadrate, spikelets divaricate linear 6-26-fld., glumes 

 elliptic with long recurved mucro, style 3-fid, nut linear-oblong curved. 

 Oyperus squarrosus, Linn. Sp. Fl. 66 ; Rottb. Descr. et Ic. 25, t. 6, fig. 3 ; 

 Nees in Wight Contrih. 75 ; Kunth Env/m. ii. 22 ; Dalz. & Oiis. Bomb. Fl. 

 281 ; Boeck. in lAnncea, xxxv. 501 ; 0. B. Ola/rke in Jonrn. Linn. Soc. xx. 

 284, and xxi. 94 {excl. var. /3). 0. maderaspatanua, Willd. 8p. PI. i. 278 

 {excl. syn. Pluk.). C. hyalinus, Serb. Seyne ; Wall. Oat. 3313 A. 0. 

 pusillus, Serb. Wight (partly). Pycrens squarrosus, Nees in Lirvncea ix. 

 283.— Oyperus, Wall. Gat. 3312 D (partly). 



From Bengal to Cbtlon, and Meegiti. — Disteib. Trop. Afric. 



Glabrous. Stems 3-8 in., caespitose. Leaves often as long as stems, Jj in. 

 broad, weak. Umbel rays rarely up to 2 in. ; bracts exceeding umbel, leaf-like. 

 Spikelets 6-20 in a rather loose spike, in the common form i in. 6-8-fld., sometimes 

 nearly 1 in., 26-fld. ; rhaehilla dehiscing from a pulvinus above the two lowest empty 

 glumes. Stamen 1. Nut about -J length of glume (excl. its long arista). — Easembles 

 Oyperus aristaims, Rottb., with which it was mixed by Linnaeus, and by many 

 authors since. 



Sect. 3. Turgiduli. Spikelets oblong or subovoid, hardly compressed. 

 Umbels compound. Robust plants with coarse leaves. (Sp. 11.) 



11. VS. albescens, Gaud, in Freyc. Voy. Bot. 415 ; leaves somewhat 

 thick transversely lineolate, spikelets closely approximate hardly coil- 

 gested somewhat turgid oblong bearing 3-6 nuts, glumes obtuse, nut short 

 broad ovoid. Oyperus penuatus, Lami. III. i. 144 ; Kunth Enum. ii. 80 ; 

 7%u). Enum. 343 ; 0. B. Glourke in Journ. Linn. Soc. xxi. 194. 0. canescens, 

 Vahl Enum. ii. 355 (excl. syn. Sheede) ; Nees in Wight Oontrib. 84 ; Kmrz 



