178 FLORA OF SOUTH AUSTRALIA. 
Flowers in spikelets, in both sexes nearly similar ; 
bracts closely imbricate ; no bracteoles ss 
Fruit 1-celled, 1-seeded ; stigmas 3. 
Inflorescence in both sexes in several-flowered spike- 
lets, usually paniculate ; fruit opening laterally ... 
Female spikelets 1-flowered; fruit indehiscent; male 
_ flowers several in spikelets or paniculate .. : 
Fruit 1-celled, 1-seeded ; style undivided. 
Male and female flowers several together in Ange 
often terminal ; bracts imbricate ns Be 
Trithuria. 
Bracts lanceolate, obtuse; heads singly terminal on 
slender scapes os Ss 
aplenes 
Spike ovate, ea eee bracts with a narrow membran- 
ous margin.. 
Spike ovate, Ne Bracie broadly sethantes ‘at he 
margin sae b ae ste 
Centrolepis. 
1. Outer bracts glabrous. 
Spikelet very narrow, of a reddish hue, containing several 
flowers, only the ‘lowest male ; pistils coherent; outer 
bract with a rigid recurved awn : 
Spikelet rather broad, containing several fies Suter 
bract short with a short awn 
Spikelet ovate, containing many flowers ; outer bracts 
with a long leafy point ... a 
11. Outer bracts hairy, spikes ovate. 
Outer bracts somewhat i aati with ok points ; car- 
pels 3 
Outer bracts Bekins, Ww seh nant nuiaiee . rls 6 
Lepyrodia. 
Stems tall, sheathing scales appressed ; sepals as long or 
longer than the ei both ais and acute; bracts 
obtuse ; ; : ae 
Restio. 
Stems much compressed, simple erect; sheathing scales 
appressed, occasionally developing short laminae ; 
spikelets in racemes 
Stems cylindrical, very tall, bacsrieeds thet ishenie 
branches bearing numerous minute clustered leaves ; 
spikelets in panicles 
Restio 
Leptocarpus 
Calostrophus 
Lepidobolus 
submersa 
gracilis 
pumilio 
polygyna 
glabra 
aristata 
fascicularis 
strigosa 
Muelleri 
complanatus 
tetraphyllus 
