Cyperus.} CLXXII. CYPERACEJE. (C. B. Clarke.) 617 



From the PUNJAB, T. Thomson, to NILGKHIRI MTS., Hohenacker, scattered, not 

 common.- DISTRIB. S. Europe, Afric., Americ. 



Stolons exceedingly slender, with small pale scales, often disappearing after the 

 tubers are formed; tubers (ripe) woody, more regularly zoned than those of C. 

 rotundus. Glumes in fruit slightly rigid, so that they are less closely imbricated 

 (than in C. rotundus) the spikelets more turgid. So close to C. rotundus that it is 

 much mixed with it in many herbaria. 



Sect. 7. EXALTATI. Tall. Stolons 0. Leaves and bracts long. Umbel 

 large compound, spikes and, spikelets many. Rhachilla of spikelets con- 

 spicuously winged. Anthers apiculate, not rarely crested. Style (with 

 its 3 branches) small. Nut 'small, ashy black. (Sp. 56-61.) 



56. C. radiatus, Vahl Enum. ii. 369 ; spikes digitate scarcely 

 peduncled long-cylindric dense, spikelets linear 12-30-fld., glumes (even 

 in fruit) closely imbricate, wings of rhachilla oblong persistent, anthers 

 short-oblong not Crested, Kunth Erium. ii. 71; Boeck. in Linncea, xxxvi. 

 317 ; 0. B. Clarke in Journ. Linn. Soc. xxi. 185. C. involucratus, Poir. in 

 Lam. Encyc. vii. 253, C. verticillatus, Boxb. Fl. Ind. i. 206 ; Kunth I. c. 71 ; 

 Nees in Wight Contrib. 87. C. digitatus, Nees I.e. 85 (not Boxb.). C. 

 Eoylei, Arn. in Wight Gontrib. 85 (in note) ; Kunth I. c. 100. C. obscurus, 

 Nees in Hook. Kew Journ. vi. 27. Cyperus, Wall. Gat. 3345. 



From AGRA, Munro to PENANG, Curtis; plentiful in Bengal. DrsTRiB. As., 

 Afric., Amer. 



Glabrous. Stems 1-3 ft. Leaves often f stem, J in. broad. Umbel simple or 

 compound ; spikes 1 by in., very dense. Spikelets commonly ^- by -^ in., usually 

 dull-colrd., not bright yellow or red-brown. Glumes broad ovate, keeled, obtuse, 

 3-5-nerved on back, muticous or sometimes mucronate. Nut ovoid, f- length of 

 glume ; style ^ as long as nut, branches 3 linear small. 



57. . exaltatus ? Retz Obs. v. 11 ; spikes (some) peduncled long- 

 cylindnc, spikelets vt : ry many (not tightly crowded) linear 8-20-fld., glumes 

 (even in fruit) closeh imbricate, wings of rhachilla oblong .persistent, 

 anthers oblong not crested, Kunth Enum. ii. 70; Nees in Wight Gontrib. 

 84 (excl. G.fastiyiatus); Thw. Enum. 343; Boeck. in Linn&a, xxxvi. 319 ; 

 C. B. Clarke in Journ. Linn. Soc. xxi. 186 (incl. var. /3 amcena.) C. odoratus, 

 Burm. Fl. In<t. 20, t. 8, fig. 2 (not Linn.). C. venustus, Br. Prodr. 217; 

 Kunth I. c. 68 (partly) ; Thw, Enum. 432. C. umbellatus, Roxb. Fl. Ind. i. 

 205; Dalz. fy Gribs. Bomb. Fl. 284; Arn. in Wight Contrib. 85 in Obs. 

 (not Bent h.). C. alopecuroides, Roxb. I. c. 208. C. acerosus, Roxb. ms.\ 

 Arn. I. c. 84 (in note). C. oryzeticola, Steud. Syn. Gyp. 37. C. race- 

 mosus, Heyne, ms. ; Boeck. in Flora, Ixii. 555 (not BoecJc. in Linnesa, 

 xxxvi. 310). C. parviflorus, Heyne, ms., Wall. Cat. n. 3343, B. (cf. Kunth 

 Enum. ii. 115, not of Nees). Papyrus venustus, Schrader in Mart. Fl. 

 Bras. ii. (part i.) 59 in note. C. maximus, elatus. parviflorus, extensus, 

 spicatus, Herb. Het/ne ; Wall. Gat. 3343. C.' verticillatus, Herb. Wight & 

 Herb. Ham.; Wall. Gat. 3343, H, I. Cyperus, Wall. Cat. 3327, 3328. 



From the PUNJAB to ASSAM and CEYLON ; common. DISTRIB. Trop. and 

 subtrop. regions. 



Stem 3-6 ft. Hardly to be distinguished from large forms of C. radiatus, but by 

 the less dense spikes. Spikelets often brightly coloured. 



Var. /3 dives, C. B. Clarke 1. c. 187 ; umbel divaricate rigid, ripe spikelets rigid 

 hard spreading at right angles somewhat turgid, style 3-fid. C. dives, Delite Fl. 

 Egypt, 5, t. 4, fig. 3 ; Kunth Enum. ii. 71 ; C. J3. Clarke I. c. 293. C. alopecuroides, 

 BoecJc. in Linncea, xxxvi. 322. N. India ; from Sind, Pinwill to Chittagong, J. D. 

 Hooker. Africa. 



