602 CLXXII. CYPERACE2E. (C. B. Clarke.) [Cyperus. 



stems. Stems 8-16 in., slender. Leaves i length of stem, $- in. broad, weak. 

 Bracts 2-3, up to 1-li in. Spikelets commonly f by in. (sometimes nearly twice 

 as long). Glumes very close-packed, acutely keeled, many-nerved. Nut sessile, 

 trigonous, black ; style nearly as long as nut, branches linear. 



14. C. leucocephalus, Retz. Obs. v. 11 ; stems slender nodose at 

 base, with one dense globose white head, spikelets compressed, glumes 

 oblong-obtuse obscurely 3-1-nerved, nut oblong J-f length, of glume. 

 KuntJi Enum. ii. 97 ; Boeck. in Linnsea, xxxv. 590 ;, C. B. Clarice in Journ. 

 Linn. Soc. xxi. 107. C. pulchellus, Br. Prodr. 213. C. sorostachys, BoecJc. 

 I. c. 588. Sorostachys kyllingioides, Steud. Syn. Gyp. 71 ; Miq. Fl. Ind. 

 Sat. iii. 296. Cyperus, yfall. Gat. 3536 (partly). Lipocarpha, Wall. Cat. 

 3445, D. 



Scattered from MONGHIR, Wallich, to MYSORE, Law, and MARTABAN, WallicJi ; 

 (seldom collected). DISTRIB. Tropics generally. 



Glabrous. Stems 4-10 in., caespitose on a very short woody rhizome. Leaves 



about i length of stem, narrow. Inflorescence i-f in. in diam. Spikelets 6-50, in 



large forms nearly ^ by i in., up to 28-fld. ; in small only i in. long 6-8-fld. 



Stamen 1. Nut black, white reticulate; style much shorter than nut, branches 



linear small. 



Sect. 5. Conglomerati. Ehizome woody, creeping ; rootlets thick, often 

 woolly. Inflorescence umbelled or with 1 head. (Sp. 15-19.) 



15. C. arenarius, Retz. Obs. iv. 9 ; stems solitary distant on a much- 

 divided creeping rhizome subterete at top 1-headed, spikelets elliptic- 

 oblong 10-16-fld., glumes ovate obtuse, nut obovoid unequally trigonous 

 i length of glume. Nees in Wight Contrib. 77; Kunth Enum. ii. 46; 

 Dalz. fy Gils. Bomb. Fl. 284; Thw. Enum. 342; Boeck. in Linnsea, xxxv_ 

 536 ; Aitch. Cat. Punjab PL 154 ; C. B. Clarke in Journ. Linn. Soc. xxi. 

 106. C. conglomerate, var. y Boiss. Fl. ^Orient, v. 369 (not of Rottb.). 

 Eobartia indica, Linn. Fl. Zeyl. 17, fy Amcen. Acad. i. 388) ; cf. Trimen 

 in Journ. Linn. Soc. xxiv. 135.) Pluk. Almag. 178, t. 300, fig. 7. 

 Cyperus, Wall. Cat. 3314 A. (partly), 3535. Scirpus ' slomeratus, Herb. 

 Heyne; Wall. Cat. 3460. 



Seacoast from SIND to CEYLON and ORISSA. PUNJAB PLAIN; Aitchison, 

 DutJiie. DISTRIB. Persia, Arabia. 



Glabrous. Rhizome slender, roots not woolly. Stems 4-12 in. Leaves often 

 overtopping stem, y^-^ in. broad. Bracts 2-3, lowest 2-4 it. long, suberect often as 

 though continuing stem. Spikelets straw-colrd., finally brown. Glumes boat- 

 shaped, strongly 3-nerved. Nut concavo-convex dusky blak ; style very short, 

 branches linear longish. 



16. C. conglomeratus, Rottb. t)escr. et Ic. ' 21, t. 15, fig. 7 ; roots 

 woolly, stems at base approximate somewhat thickened, spikelets linear 

 rather large 8-16-fld., glumes' minutely,, mucron ate, nut obovoid unequally 

 trigonous i length of glume. Decne. in Ann. Sc. Nat. ser. 2, ii. 15; Boiss. 

 Fl. Orient, v. 369 (var. a in great part}. C."J eminicus, Rottb. Descr. et 

 Ic. 25, t. 8, fig. 1 (not of Retz). C. pungens, Boeck. in Linnsea, xxxv. 537 

 (except part of a elata) ; C. B. Clarke in Journ., Linn. Soc. xxi. 113. C. 

 proteinolepis, var. /3 puniila, Boeck. I. c. 523. 



SIND ; Z-ace. DISTRIB. ; Westwd. to N, Africa. . *' *" 



Glabrous. Rhizome sometimes elongate, - in. in dism/ Stems 4-24 in., some- 



what robust. Leaves often ^ length of stem and upwards. Umbel simple, not 



rarely contracted into 1 head ; rays often 3-4^ about 1 in. long. 



