60 Materials for a Flora of the Malayan Peninsula. 



Species 50. All wuiiii and Iciiijjcrate re-fiuns^. Only Jillers from 

 Cyycrus in the 2 style branches and flattened nut. 

 Stem tall, leafy for ^ or more of its length. 



Glumes ovate loosely imbricate red or 

 pale .. .. ,. .. ..1. P. !<uH<juiiioJenius. 



Stems tall leafy at base only. 



Glumes lanceolate yellow or brown . . 2. P. pohjstachyus. 



Glumes oblong red o. P. iJuncUiuJalus. 



Small plant, annual. 



Glumes ovate mucrouate silvery . . ,. i.P.n'dens. 



1. P. SANGUIXOLENTUS, Xccs. Linmiea. IX. 283. Ehizomc creep- 

 ing. Stem 4 to 24 inches tall. Leaves distant on the stem for from 

 ^ to -^ its lengtli, sheaths 3 inches long or less, blade 6 to 9 inciies, 

 -^ inch wide. Umbel simple of about 5 branches Avith peduncles 2 

 inches long or less, and a central nearly sessile one or reduced to 

 one head. Bracts U inches long or less spreading. Spikelets oblong 

 or linear yellowish brown, or dark red |-i inch long nearly -J inch 

 across. Glumes ovate obtuse keeled, loosely imbricate, with 3 nerves 

 by the keel, sides reddish or edge dark red, nut half tlie length of tlie 

 ghime dark brown or black obovoid biconvex, puncticulate. Clarke 

 ¥\. Brit. Ind. A'l. oUU. Cyperus saii(jui)ioIeutus, Vahl. Enum. II. 

 351. Xees. Wight. Coutrib. 75. Trin'i. Ceyl. V. 20. C. Eragrodis, 

 Vahl. Enum. II. 322. Kunth. Enum. IL 7. Moritz. A'crz. Zoll. 

 Pfl. 9G. Boeck. Linn. XXXV. 443. Clarke Journ. Linn. Soc. XXL 

 5)', XXV. 80. C. cruenhts, Koxb. Fl. Ind. I. 196 (not Eottb.). C. 

 puiiiilus, Eoxb. Desc. and Ic. 29. t. 9. fig. 4 (not Linn.). ('. atralufi, 

 Steud. Zoll. \'ei-z. Ind. Arch. II. 02. PI. Cvp. 12. Miq. Fl. Ind. 

 Bat. III. 259. a. concolov, Steud. PI. Cyp. G.' 



Paliang: Kuala Tembeling (Iiidlev 2144); Xegri Sembihm: 

 Kuala Pedas (Piidley 100G9) ; Penang: Waterfall Gardens (Piidley). 

 Distrib. Trop. Asia and Australia. JJatlier rare. Occurring in old 

 rice fields and low wet open spots. The l*enang and I'ahaug plants 

 are light and coloured forms, 



2. J'. i'0LY.>5TAtiiYLs, Bcauv. Fl. Owar. II. 48. t. 80. f. 2. 'rufled 

 phinl, leaves taller or shoi4er than the stem weak. Stems 12-30 

 inches tall. Umbel simple with 4 or 5 peduncles 2 inches long or less 

 or contracted into a head. Spikelets clustered erect \-h inch linear, 

 glumes numerous yellow or brownish often reddish lanceolate sub- 

 acute closely iml)ricating. Xut obolng truncate black l the length of 

 the glume. Clarke Fl. Brit. hid. VI. 592. C. poIy)<(aclii/tts, Bv. 

 Prodr. 211. Poxb. Fl. ind. 1. 193. Xees. Wiglit. Contrib. lo. 

 Kuiilli. I'hium. IL 13. Bckler, J^ijinaea. XXX\'. \]7. Trim. Fl. 

 Ceyl. y. 20. C. odoratu^, Linn. Sp. PI. Col. I. 40. C. Icrclifruvlas, 



