Fig. 224: Cy perns acuminatus: a, spikelet, showing the recurved tips of scales, X 8; 

 b, scale, 3-nerved, the surface cellular-reticulate, X 20; c, trigonous achene, X 20; d, 

 habit, showing the globose heads of spikelets on rays of unequal length, X %; e, flower 

 without scale, X 20; f, ray of inflorescence, showing globose head of spikelets, X P/^. 

 (From Mason, Fig. 129). 



