182 FLORA OF 
Stems leafy at the base. 
Spikelets scarcely flattened, UES narrow, in 
dense clusters ; 
Spikelets rather flat, 6 to 10, in rp clusters 
Spikelets flat in simple or compound umbellate seis : 
nut usually as long as the bract. Tall ; 
Spikelets very flat in lengthened spikes, along the rays 
of a compound umbel; nut much shorter than the 
bract. Tall 
Sehoenus. 
I. Stems leafless, except sheathing scales at the 
base ; no hypogynous bristles. 
Stems thread-like, very weak, about 1 ft, 
Stems rush-like, tufted, 6 to 10 in. ; spikelets ae 
a single terminal head.. ; ; 
Stems rush-like from a creeping | eae 1 to 2 ft. ; 
spikelets in a narrow panicle... Sus 
11. Leaves developed on the stems and at the 
base, flaccid ; stamens 3. 
Spikelets black, few in a terminal cluster, with a few 
axillary ones lower down ; hypogynous bristles 6 ; 
flowers usually 2 in a alain nut 3-ribbed. 
Rather dwarf 
Spikelets 1 or 2 together, mers asiibiyd sin pro- 
ducing one smooth, 3-ribbed fruit; hypogynous 
bristles 6 or fewer. Quite dwarf kot ae 
Spikelets several together, axillary; hypogynous 
bristles 0, or rarely 2 or 3; nut hie ee 
or cancellate. Dwarf.. 
Stems submerged, panatheae 
solitary, terminal ; 
leaves filiform ; : Gordcriit 
no hypogynous bristles 
11. Leaves at the base only. 
Very tall, massively tufted ; 
terminal head ; 
each spikelet ; 
spikelets forming a large 
flowers 2, but only 1 fertile in 
no hypogynous bristles 
Dwarf not exceeding 1 ft.; spikelets in a single Beet 
the erect involucral bract continuing the stem. 
Hypogynous bristles ciliate at the base; stems 
from a creeping rhizome ; leaves terete, furrowed 
Bristles densely hairy; leaf-sheaths densely 
bearded at the orifice and with short subulate 
lamine ; stems tufted 
SOUTH AUSTRALIA. 
subulatus 
rotundus 
lucidus 
exaltatus 
capillaris 
aphyllus 
breuifolius 
apogon 
axillaris 
sculptus 
fluitans 
sphaerocephalus 
nitens 
deformis 
