Cyperus. | CXLIIL CYPERACE. 279 
unth, Enum. ii. 54; C. corymbosus, Hook. f. Fl. Tasm. Pref. 47 as to 
the Australian rae oí of Rottb. 
N. Australia. Port E. Armstrong. 
Central Australia, Gosse 
Var. elatior, a stouter plant with a prominently : 3- -angled stem and 1 or 2 of the 
involucral bracts rather longer than th 
Queensland. Rockhampton, 0’ Shanesy. 
species extends over a great part of East India. The var. elatior approaches 
the C. corymbosus, Rottb., also East Indian, but 2 T esie has much more developed 
involucral bracts as well as some other minor differ 
_>44. C. rotundus, Linn.; Kunth, Enum. ii. 58.—Rhizome creeping 
or stalonitoous swelling here and there into tunicated tubers, the scales 
when worn awa SA eav cig annular scars or zones. , Stem s rather slender, 
lines us and S ve line broad, wi owers, but 
: t uch greater length, the rhachis slightly flexuose an 
more or less distinctly several-nerved, with a prominent keel usually 
n. Stamens 3. Style 3-cleft. Nut obovoid, 3-angled, less than 
half the length of the penes Br. Prod. 216; Sieb. Agrostoth. n. 
im F. Muell. Fragm. viii. 269; Boeckel. in Linnea, xxxvi. 283; C. 
Prod ee Rottb. Deser. et ra Pl. 28, t. 14, f. 2; O. littoralis, R. Br. 
rod. 216; Sieb. A grostoth. n. 
N. Australia. Islands of the eats coast, R. Brown; Arnhem Land, F. 
_ Queensland. Brisbane River, Moreton Bay, Rockhampton and numerous other 
cen nd in South pct toe $ F. Malin, O Shanesy, Mitehell st many 
Wales, Port Jackson to the Blue agence R. Brown, Woolls 
sies lls and 
Né lan Stuart ; in the interior to the north west, A. vec come 
and others ; ry to the. Murray and Darling Rivers, F. Mueller, Dallaehy, and 
