602 OLxxii. OTPERACE^. (0. B. Clarke.) ICyperus. 



stems, stems 8-16 in., slender. Leaves i length of stem J,-* >. broad w^k. 

 Bracts 2-3, np to 1-li in. Spiielets commonly | by i m. (sometimes nearly tmce 

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

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



14 C. leucocepbalus, Betz. Obs. v. 11 ; stems slender nodose at 

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

 oblong-obtnse obscurely 3-l^nerved, nut oblong i-f length ot glume. 

 Kanth Snum. ij. 97 ; Boeck. in Linnsea, xxxv. 590 ; G. B. Clarice m Journ. 

 Linn. Soc. xxi. 107. 0. pulchellus, Br. Prodr. 213. C. sorostaohys, Boecb. 

 I. c. 588. Sorostachys k"yilingioides, Steud. 8vn. Gyp. 71 ; ^«?- -Pf; J»«- 

 Bat. iii. 296.— Cyperus, Wall. Gat. 3536 (partly). Lipocarpha, Wall. Cat. 

 3445, D. 



Scattered from Monghie, Wallich, to Mtsokb, Law, and Maetaban, Wallich ; 

 (seldom collected).— Distkib. Tropics generally. 



Glabrous. Stems i.-Vd in., caespitose on a very short woody rhizome. Leaves 

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

 large forms nearly 4 by i in., up to 28-fld.; in small only i in. long 6-8-fld. 

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

 linear small. 



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

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



15. C. arenarius, Betz. Obs. ir. 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 Ervum. ii. 46; 

 Balz. Sc Gibs. Bomb. Fl. 284 ; Thw. Enum. 342 ; Boeck. in Linnsea, xxxv. 

 536 ; Aitch. Cat. Punjab PI. 164 ; G. B. Clarice in Journ. Linn. Soc. xxi. 

 106. 0. conglomeratus, var. y Boiss. Fl. Orient, v. 369 (not of Botfb.). 

 Eobartia indica, Linn. Fl. Zeyl. 17, S( Ammn. Acad. i. 388) ; cf. Trimen 

 in Journ. Linn. Soc. xxiv. V65.)—Plu,k. Almag. 178, t. 300, flg. 7. — 

 Cyperus, Wall. Gat. 3314 A. (partly), 3535. — Scirpus glomeratus, Serb. 

 Heyne; Wall. Gat. 3460. 



Seacoast from SiND to Cetlok and OmssA. Punjab Plain ; Aitchison, 

 Duthie. — Disteib. Persia, Arabia. 



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

 overtopping stem, -^V^ ^°- broad. Bracts 2-3, lowest 2-4 in. long, snberect often as 

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

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

 branches linear longish. 



16. C> conglomeratus, Bottb. Descr. et Ic. 21, 1. 15, fig. 7 ; roots 

 woolly, stems at base approximate somewhat thickened, spikelets linear 

 rather large 8-16-fld., glumes minutely mucronate, nut obovoid unequally 

 trigonous 4 length of glume. Lecne. in Ann. 8c. Nat. ser. 2, ii. 15 ; Boiss. 

 Fl. Orient, v. 369 (var. a in great part). C. Jeminicus, Bottb. Bescr. et 

 Ic. 26, t. 8, fig. 1 (not of Betz). 0. pungens, Boeck. in Linnsea, xxxv. 637 

 (esecept part o/ a elata) ; C. B. Clarke in Journ. Linn. Soc. xxi. 113. 0. 

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



SiND ; Lace. — Distkib. ; Westwd. to N. Africa. 



Glabrous. BUzome sometimes elongate, ^-i in. in diam. 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. 



