Scirpus. | CXLIII. CYPERACER. 325 
distinct in many characters from. both. F. Muell. ix. 7, includes it n 
oe Me LN (Cyperus pygmeus) from which rii appears to me to be 
err 
2. S. flui ans, Linn.; Beckel. in y nene xxxvi. 485.—Rhizomes 
dra, unie when in water and floating in large masses with 
tufts of 2 or 3 leaves at the nodes, when growing out of water the - 
point or uberes D TEAS Ie. Fi. Germ m. t. 29 8; Loos Jluitans 
p Beek . 221; Kunth, Enum. ii. 188; ae f. Fl. 
N. S. Wales. vidi Jackson, R. ice Woolls ; New England, C. Stuart. 
^ Victoria, E pH unt William à. 
.. Tasmania, Abundant in riv tdm A pools throughout the island, J. D. 
Hooker, 
S. 
Australia. Tamunda, F. Mueller ; Macclesfield, Blandowski. 
Var. terrestris, F. Muell. Stems tufted, the rhizome scarcely developed. Spike- 
lets fully 2 2 lines long, with rather more phen than in the typical form.—Zsolepis 
Kenticularis, Hook. f. Fl. Tasm. ii. 86, t. 145, not of R. Brown.—Near Mount 
on, F. Mueller ; near Mount William, Sullivan; near Formosa, Gunn ; South 
Esk River, €, Stuart 
Var. microstachya. Rhizome leaves and STUEN h as in n the typical form, bad more 
capillary, Spikelet scarcely 1 line long. 
N. S. Wales. Port Jackson, C. Moore 
Victoria. Upper Robinson and Yarra Rivers , F. Muel 
W. Australia: Drummond, n. 322, 362; Tweed River, "Oldfield, 
W A pecies is spread over the tropical and temperate regions of the Old 
or 
9. S. arenarius, Benth—A dwarf rather rigid plant, the stems 
lonely tufted on a DA but slender creeping rhizome, 1 to 2 in. high, 
lale except a rather loose brown sheath oblique at the orifice, with a 
very short erect obtuse lamina. Spikelet solitary, terminal, erect or ob- 
lique, ovate, 1 to 1} lines long, usually dark brown, 10- to '16-flowered. 
Glumes short and br oad, almost orbieular, concave, obtuse, no 
striate, very obscurely keeled towards the end, the empty one or 
subtending bract erect but not very different from the others, rarely 
rodu = a short point. No maii a haic fa 
hes 2. Nutorbicular, white, biconvex, the terminal poini 
ingly mi nute, 
