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



Glabrous. Stems caespitose, 4-16 in., or (in the form C. pectiniformis, Nees) 

 0-2 in. Leaves often nearly as long as stem, - in. broad. Umbel rays 0-6 in. ; 

 bracts often longer than umbel, leaf-like. Spikelets ^-1 by -5 in. (in form pectini- 

 formis up to 1 i n - an d 20-60-fld. G-lumes densely, not rigidly, imbricated, ovate, 

 many-nerved, mucro scarcely recurved. Stamens 3 ; anthers linear-oblong, scarcely 

 apiculate. Nut ^ length of glume, very broad ; style shorter than nut, branches 

 linear shortly exsert. 



28. C. glaber, Linn. Mant. 179 ; umbels contracted, spikelets very 

 closely spicate more or less red-tinged, glumes muticous or very nearly so, 

 nut obovoid obtuse minutely conic-apiculate (otherwise as C. compressus). 

 Reich. Ic. Fl. Germ. viii. 32, t. 280, fig. 669 ; BoecJc. in Linnsea, xxxv. 517 ; 

 G. B. Clarke in Journ. Linn. Soc. xxi. 104 ; Boiss. Fl. Orient, v. 371. C. 

 patulus, Kitaib. ex Host Gram. Austr. iii. 49, t. 74; Kunth Enum. ii. 

 24; Ledeb. Fl. Ross. iv. 240 (not of Bieb.}. 



SIND ; Pinwill. DISTBIB. Westward to Sicily. 



Umbel rays -! in. Glumes nearly always reddish on the sides (green in (7. 



29. C. aristatus, Rotfb. Descr. et Ic. 23, t. 6, fig. 1 ; small, umbel 

 nearly simple or reduced to 1 head, spikelets densely spicate 6-30-fld., 

 glumes ovate-lanceolate many-striate over nearly their whole breadth 

 acuminate into a recurved bristle, nut oblong or narrow-obovoid length 

 of glume (bristle inclusive). Roxb. Fl. Ind. i. 190; Kunth Enum. ii. 23 

 (excl. syn. Burm.) ; Strachey Cat. PI. Kumaon 74 ; Miq. FL Ind. Bat. iii. 

 262 ; Thw. Enum. 343 (excl. syn. Ham.) ; BoecJc. in Linn&a, xxxv. 500 ; C. 

 B. Clarke in Journ. Linn. Soc. xxi. 91 ; Trimen Cat. Ceylon PI. 100. C. 

 squarrosus, Linn. Sp. PI. 66 (partly). C. versicolor, Nees imWight Contrib. 

 78. C. arenarius, Herb. Wight; Wall. Gat. 3374, 3375. Isolepis echinulata, 

 Kunth Enum. ii. 205. 



TROPICAL and TEMP. HIMAL. ; alt. 0-8500 ft., and thence to Ceylon. DISTEIB. 

 Tropics. 



30. C. Iria, Linn. Sp. PL 67 (excl. Rheede) ; leaves and bracts long , 

 spikelets spicate or subracemose linear 6-20-fld., glumes obovate in fruit 

 hardly imbricate, nut triquetrous nearly as long as glume. Roxb. FL Ind. 

 i. 201 ; Nees in Wight Contrib. 87 ; Kunth Enum. ii. 38 ; Miq. FL Ind. Bat. 

 iii. 269 and Suppl. 260; Dalz. & Gibs. Bomb. FL 282; Edgew. in Journ. 

 Linn. $06 ix. 319; BoecJc. in Linnsea, xxxv. 595; King in E. T. Atkinson 

 Gaz. x. 620 ; Aitcli. in Journ. Linn. Soc. xix. 189 ; Boiss. Fl. Orient, v. 370 ; 

 G. B. Clarke in Journ. Linn. Soc. xx. 289 and xxi. 137. C. songaricus, Karel. 

 et Kiril. in Bull Soc. Mosc. [1841] 859. C. seminudus, Moritzi Verz. Zoll. 

 Pfl. 96 (not of Roxb. ). C. diaphaniria and microiria, Steud. in Zoll. Verz. 

 Ind. Arcliip. ii.. 62 and Syn. Cyp. 23. C. microlepis, Baker FL Maurit. 

 410 (not ofBoeck.). Cyperus, Wall. Gat. 3360, 3361. Cyperus, Goldstream, 

 Grass. S. Punjab, t. 38, A. 



INDIA, general in rice-fields. DISTEIB. Old world. 



A glabrous shortlived weed. Stems csespitose, 4-20 in. Leaves often nearly as long 

 as stem, ^ in. broad, grass-like. Umbel 2-20 in. in diain., varying greatly in size, 

 usually , compound, 35, up to 4-12 in.; primary rays sometimes at apex corymbose 

 sometimes again umbelled. Spikes very loosely spicate, rhachis ^-2 in. Spikelets 5-20, 

 obliquely erect, yellow or brown (not red nor chestnut), - by ^ in.; rhacheola not 

 winged. Glumes 3 5-nerved on back, sides nerveless, muticous or scarcely apiculate. 

 Stamens 2 or 3 ; anthers oblong, muticous. Nut triquetrous, black ; style much 



