Rhynchospora. | OXLIII. CYPERACER. 349 
Hypogynous bristles 6, usually longer than the nut but scarcely so 
long as the beak. Nut obovate, often aabo especially in the centre 
of each side, the jax. sessile, as long as the beak or longer and as 
broad at the base, usually but perhaps oe ee s furrowed on each 
side, pee i n Linnsa, xxxvii. 626: R. Br. Pos 230; F. Muell. 
Fragm. ix, 17. 
Queensland.  Epdeavour n Banks and Solander; Rockingham Bay, 
Dallachy ; Brisbane River, Baile 
Widely spread over the tro opi ical regions of the New and the Old World, and 
divided by xr and others into several species, the characters of which T have 
failed to apprec 
2. R. glauca, Vahl; Kunth, Enum. ii. 297—Stems angular and 1 
to 2 ft. high or even more but ala oe “rene few narro w and distant, 
er 
glumes 3 or 4, short. H pogynous bristles 6 or 7, mostly rather longer 
than the nut. Nut obovate, marked with minute transverse wrinkles, 
a beak conical shorter than or nearly as long as the nut, sessile, not 
urro 
lava, R. Br. Prod. 230; Kunth, l.c. 298; R. Brownii, Rom. et 
Schult, Syst. ii. 86; Bockel. l. e. 581. 
ueensland, Meteveur River, Banks and Solander; Brisbane River, Moreton 
Bay, T: Mueller. 
S. Wales. Port Jackson, R. Brown ; Hastings River, Beckler, New Eng- 
land, C. Siua rt. 
y Extends c over tropical and subtropical regions of the New and the Old World. 
rath distinguished R. glauca and R. lara chiefly as beinz the one American the 
other of the Old World. Boeckeler son the two species c in both hemispheres, 
distinguishing the to me. 5 
"s brown, 23 to 3 lines pii with 1 hermaphrodite ten 2 male 
risa and 3 or 4 outer empty glumes. Hypogynous gei not so 
ong the nut and sometimes very short. Nut rbi > 
ae Baaien Ras, gehe Wide Bay, Bidwill ; Brisbane River, 
also ls over tropical Asia and Africa, and the same or a closely allied species is 
