350 CXLIII. CYPERACER. [ Rhynchospora. 
. R. longisetis, R. Br. Prod. 230.—Stems 6 in. to 1 ft. high. 
Leaves shorter, mostly at the base of the stem, narrow, with loose open 
ciliate sheaths, the inner one or two with close sheaths reaching some- 
to 4 in. long, linear, s ile 
base. Spikelets 4 to 5 lines long, acuminate, of a pale shining brown, 
N. Australia. Gulf of Carpentaria, mainland and Groote Island, 2. peint 
Upper Victoria River, F. Mueller; between Norman and Gilbert Rivers, 
Gulliver. 
Q 
ueensland. Rockingham Bay, Dallachy. 
. R. tenuifolia, Benth.—Very near R. longisetis, but with smaller 
spikelets and a different fruit. Stems slender, 6 to 8 in. high. Leaves 
umerous, very narrow and often longer than the stem, the outer ones 
with sheaths scarcely ciliate, the inner sheaths longer and n 
closed. Inflorescence and involucral bracts as in R longisetis, but the 
spikelets scarcely above 3 lin long when fully out. Hypog p^ 
bristles 3 n as long as lume, 3 scarcely longer than the 
nut. Nut oblong, slightly biconvex, bordered by anerve-like margu, 
gu 
smooth or scarcely tuberculate, the beak not half so long and abrup T 
contracted at the base so as to appear stipitate-—R. longisetis, P. 
Muell. Fragm. ix. 17, not of R. Br. 
N. Australia. Victoria River, Elsey. 
Queensland. Rockingham Bay, Dallachy. 
17. CYATHOCHJETE, Nees. 
(Tetralepis, Steud.) 
Spikelets in a long narrow little-divided panicle, with 1 hermaphrodii 
fertile flower and a second male or sterile one below it. Glumes us de 
4, imbricate all round the rhachis, the 2 outer ones empty, the 2 nn 
ers. Hyp m le 
bristles usually ng rigid and acute. Stamens usually 2. 95 
long, thickened towards the base i igmatie bran 
, long persistent ; stigmatic b uu 
usually 2, filiform. Nut where known oblong, ^ $ the 
gynophore, n bed, crowned at first by the thickened base 0 hs 
style, which may be at length deciduous.— Stems fro iM E 
ikelets narrow. Flowers here 
and stamens sometimes very long. 
