Fig. 223: Cypcrus arislatus: a and b, habit, showing the umbellate inflorescences, 

 each ray bearing a capitate cluster of spikelets, X %; c, compressed spikelet, showing 

 the recurved awns of scales, X 8; d, scale, showing the strong nerves, X 32; e. mature 

 achene with puncticulate surface, X 24; f, ray of inflorescence, showing capitate ar- 

 rangement of spikelets, X I'j; g, rachis, showing persistent stamens, arrangement of 

 achenes and the trifid styles, X 20. (From Mason, Fig. 128). 



