o0 Runez.] XCIX. POLYGONACER. 265 
6. R. hal iv 
herb of es p a ons specimens appearin g à annual. Leaves me 
sills and very numerous, in dense axillary clusters crowded on 
greater part of the lant. Inner segments of the fruiting perianth 
sometimes under 1 line long, with long fine points and marginal a 
sometimes rather longer and broader with shorter and more 
* Australia. Gulf of Carpentaria, F. Mueller. 
ensland. Flinders and Burnett a F. Mueller; Darling Downs, Lau. 
Pit ^im Darling river, Goodwin and Dallachy, Mrs. Ford ; Murray river, 
a yr ep entirely the aspect of the European R. maritimus, Linn., and may 
die eth of the fruiting perianth-segments although fine and nen are 
owever rh much firm so than in the northern plant 
? ns, R. Br. Prod. 421. A perennial iar thick stem, rooting 
at the pom DM creeping in the mud, throwing up numerous erect 
thick flowering branches of 1 to 2 ft. Leaves : EREE the lower 
ones often 8 n. long, rather broad and obtuse, the upper ones 
rower and mo j ‘passing into the small almost linear 
lor? ri id teeth on or less 
thi ji each side near ep ‘bos the midrib more 
ckene into a tubercle.—Meissn. in DC. '"Prod. xiv. 73; Hook. f. 
R. Tasm, i . 805. 
E. ( 
On the Pim about va pe dre F. Mue ipis de in marshes 
i Port Dalrymple and Lago R. Brown; 
In the ibera t P g 
S. Austr par of the island, J. D. Hooker. P Mueller; with a small 
starved, wet vi pun, Behr.; near ` Morunda, ; 
Prod. xiv. 63. A slender 
*8 R. 
. acet y 
ier sella, Linn. ; Meissn. in DC. om a few in. to nearl 
lf with a orere rhizome and erect stems fr 
a. high, often turning i ves narrow-lanceolate or mh 
m or all hastate or sagittate at the base; sti ule n los 
th QE in. Fl s small, dicecious, in slender termina. par S 
me clusters numerous, Se o d. without floral leaves. + erianth- 
sments broad, e ntire, not very unequal, the inner ones in the fruiting 
Perianth closed over the seed but scat enlar, : 
temperate 
j ant wW mon 
td subte probably of f European and Asiatic origin, sube à only i into Australia where 
a) cr regions of th e and evidently intro 
t is in in 
the Progr - Brown’ i collection fom the e neighbourhood of Port Taian, 
anit roduced p 
but. berar from 
