16 



74. C. convergens R. Br. 



North base of Bold Bluff (W.V.F.). 



Spikes sometimes four. In moist grassy spots. 



CYPERACE^. 



75. Cyperus pygmaeus Rottb. 



Meda, May, Lennard, Fitzroy, and Isdell Rivers (W.V.F.). 

 An Isoetopsis-like plant ; in muddy spots. 



76. C. cuspidatus H.B. et K. 



Lennard, Isdell, and King Rivers, Hillgrove Station (W.V.F.). 

 In sandy soil. 



77. C. flavescens L. 



Denham and King Rivers (W.V.F. ). 



A slender tufted annual of 1ft. high ; nuts more than | the 



length of the glumes. 

 In moist grassy spots. 



78. C. albo-marginatus Nees. 



Lennard, Isdell, and King Rivers (W.V.F.). 

 In damp grassy spots. 



79. C. fulvus R. Br. 



Gascoyne River (Polak) ; Lennard, May and Fitzroy Rivers 



(W.V.F.). 

 In moist black soil. 



80. C. trinervis R. Br. 



Lermard, Fitzroy, Isdell, Barnett, Chamley Rivers, and base 



of Inglis' Gap, King Leopold Ranges (W.V.F.). 

 In moist grassy spots. 



81. C. distans L. 



Lennard, Isdell, Ord Rivers (W.V.F.). 

 On grassy and sandj? flats. 



82. O. holoschoenus R. Br. 



Near Derby, May, Meda, Lennard, Fitzroy, Isdell, Ord, Den- 

 ham and King Rivers ; Knob Hill ; base of INIt. Robb. 

 (W.V.F.). 



In sandy soil. 

 Var. viscida, W.V.F. 



Summit of Mt. Leake, Lady Forrest Range (W.V.F.). 



In crevices of quartzite rocks. Differs from other forms in 

 the whole plant being \-ery viscid. 



83. C. sporobolus R. Br. 



N.W. coast (A. Hughan), IsdeU River (W.V.F.). 



Remarks. — Rhizome bulbous ; nuts black. On a sandy ridge 



