590 CLXXII. CYPERACE.E. (C. B. Clarke.) [Pycreus. 



Throughout INDIA, except the drier country, frequent, alt. 0-3000 ft. ; from 

 KHASIA, H.f. fy T.T., to CEYLON and TAVOY. 



Roots aromatic (/. D. Hooker). Spikelets 15-40-fld., or often long, even up to 

 70-fld. 



3. P. latespicatusj C. . Clarke ; middle-sized, umbel simple or 

 reduced to 1 head, spikelets spicate in. wide straw-colrd. more or less 

 chestnut-red marked, nut obovoid compressed black hardly as long as 

 glume. Cyperus latespicatus, Boeck. in Flora, xlii. 433 bis, and in Linnsea, 

 xxxv. 467 ; Clarke in Journ. Linn. Soc. xxi. 40. C. diaphanus, Schrad. ex 

 Roem. & Sch. Syst. ii., 3ant. 477 ; Kunih Enum. ii. 9 ; Boeck. in Linnsea, 

 xxxv. [1867-8] 437; Clarke, I. c. 80. C. intermedius, var. indica, BoecJc. 

 1. c. 451 (not of Steud.). C. pseudo-bromoides, Boeck. I. c. 464 (the Nepal 

 plant). C. angulatus, Strachey Cat. PI. Kumaon, 74; Dutliie in E. T. 

 Atkinson Gaz. x. [1876] 620 (not of Nees). _ C. aphyllus, Boeck. I c. 450. 

 C. pauper, C. B. Clarke, 1. c. 41 (the Himal. plant not of Hochst.). 

 Cyperacea, Griff. Itin. Notes, 32, n. 506. 



From KUMAON to KHASIA, alt. 3-6000 ft. BENGAL, CHOTA NAGPORE, and 

 MALABAE. 



Usually annual. Stems 4-16 in., occasionally 0. Leaves usually length of 

 stem, in. wide, sometimes 0. Spikelets stouter than in P. flavescens, 20-60-fld. 

 Nut with longitudinally oblong cells. Strachey 3 s plants are depauperated, filiform, 

 bearing only 1 or 2 spikelets, and were formerly referred by me to P. pauper, an 

 Abyssinian sp. 



** Outer cells of the surface of nut all subquadrate hexagonal, none 

 oblong. 



t Stem decumbent at base, often clothed its length by leaf-sheaths. 



4. P. sangruinolentus, Nees in Linnsea, ix. 283; middle-sized (or 

 depauperate and filiform), umbel simple or contracted into 1 head, spikelets 

 linear or oblong generally red-marked, glumes loosely imbricate, nut 

 obovoid biconvex almost turgid. Cyperus sanguinolentus, Vahl Enum. ii. 

 351 ; Nees in Wight Contrib. 75 ; Thw. Enum. 342 ; Aitch. Cat. Punjab. 

 PI. 156. C. Eragrostis, Vahl I. c. 322? (exclud. syn. Retz.)-, Kunth Enum. 

 ii. 7;-.Mbnfe. Verz. Zoll. Pfl. 96 ; Strachey Cat. PI. Kumaon, 7 '4; Boeck. 

 in Linnsea, xxxv. 443 ; Clarke in Journ. Linn. Soc. xxi. 57, and xxv. 

 80. C. cruentus, Roxb. Fl. Ind. i. 196 (not of Rottb.). C. pumilus, Rottb. 

 Desc. et Ic. 29, t. 9, fig. 4 (not of Linn.'). C. atratus, Steud. in Zoll. Verz. 

 Ind. Arcliip. ii. 62, and PI. Gyp. 12 ; Miq. Fl. Ind Bat. iii. 259 ; Boeck. I. c. 

 446. C. concolor, Steud. PI. Cyp. 6. C. Eehmanni, Boiss. Fl. Orient, v. 

 364. C. grossarius, Heyne ms/ C. jeminicus, Heyne ms. (not of Rottb.}. 

 Cyperus, Wall. Cat. 3318 ^mainly], 3335. 



Throughout INDIA, ascending to 10,800 ft. j from KASHMIB to ASSAM, CEYLON, 

 and SINGAPORE. DISTBIB. Warm parts of the Old World. 



Glabrous. Bhizome creeping, -4-10 in., or often flowering the first year. Stem 

 4-20 in. Leaves as long as stem or much shorter, -^ in. wide. Spikelets shortly 

 spicate or clustered, -1 by i in:, 6-24-fld. Glumes boat-shaped, ovate, obtuse, 3 

 green nerves on back, sides usually red- or chestnut-marked. Nut hardly length 

 of glume, ashy-brown. Belongs to a very small group of closely-allied species, which 

 alone of all the Cypereee have nodes (and sheaths and leaves) far above base of stem ; 

 usuallv a prominent 'character in P. sanguinolentus, but frequently absent. Sikkim 



