406 CXLIIL CYPERACER. ( Cladium. 
alia. Drummond, n. 386, and according to Nees, Preiss, n. 1778, but 
W. Austr : The 
the specimens I have seen under that number belong to C. arthrophylium. 
C. riparium is however easily recognised by Nees's characters. 
K 9G; teretifolium, R. Br. Prod. 237.—Stems 1 to 3 ft. high, 
terete or slightly compressed, striate but not angular. Leaves few, 
h . 
c se membranous sheath with a short erect point, the inicr 
gradually smaller and more glume-like. Spikelets numerous, sessue, 
2.to 27 lines long, with 1 hermaphrodite flower. G branous, 
Queensland. Sandy Cape, R. Brown ; Brisbane River, Moreton Bay, F. d 
N. S. Wales. Port Jackson and neighbourhood, R. Brown, Woolls and o 
Also in New Zealand. 
10. C. tetraquetrum, Hook. f. Fl. Tasm. ii. 95, t. 149.—Stems 
. high or more, scarcely compressed, striate and often angular. 
h 1 
21 lines long, with 1 hermaphrodite flower. Glumes hort 
keeled, acutely acuminate, ciliate, usually 3 empty, the outer one ShOM™ 
emp 
long, marked with raised ridges or reticulations, shortly smoot le 
base, crowned by the more or less distinct adnate base of the style: ‘4 
B l. in Li a, xxxviii. 235; Lepidosperma tetragona, Labill. 
Nov. Holl. i. 17, t. 17. w 
am Walst Now England, C. Stuart. Nuts triquetrous and smooth 
1 ; otherwise appears ies. 
"ieminis. Common in moist planes Qoonghout the island, J. D. Hooker 8 
