44 FLORA OF SOUTH AUSTRALIA. 
ORDER ILLECEBRACEAE. 
Stipules present ; bracts scarious, whorled; stigmas 2, 
sepals 5, petals 5, filiform 
Sepals connate ; leaves connate at the base ; styles 2 
Herniaria.. 
Minute stems, calyces and margin of leaves beset with 
short white rigid hairs ; flowers in axillary clusters ; 
leaves narrow-elliptical ... vie 
Seleranthus. 
Low tufted perennial, leaves rigid, sharp-pointed ; flowers 
in sessile clusters; stamens 5, with staminodia; calyx- 
lobes broad, scarious 
Calyx-lobes narrow, scarious ; stamens 2 
ORDER POLYGONACEAE. 
Sepals 6, the 3 inner ones larger, callously thickened, 
spreading over the fruit, the 3 outer ones spread- 
Herniaria 
Seleranthus 
incana 
pungens 
diander 
ing ; stamens 6; stigmas bearded. Herbs .. Rumex 
Sepals 5, nearly equal; stamens 5 to 8. 
Styles 2 or 3; flowers bisexual. Herbs 
Calyx enlarged and often succulent in age; flowers 
Polygonum 
unisexual. Shrubs ... 7 56 a ... Muehlenbeckia 
Rumex. 
1. Leaves chiefly radical. 
Flower-clusters distant without floral leaves; leaves 
elongate, lanceolate-elliptic ; inner sepals hooked at 
the tip, toothed at the base ... Be ne ... Brownii 
11. Floral leaves present, all longer than the 
flower-clusters. 
Inner fruit-sepals rather large, without tubercles, 
straight-pointed, shortly toothed on the sides; 
panicle much divaricately branched ae ... flexuosus 
Inner fruit-sepals small, with a dorsal tubercle, and 
one or two very narrow lobes on each side ; rather 
dwarf, leaves lanceolate crisped on the margin... erysta/linus 
Inner fruit-sepals rather large, rhomboid, with a faint 
dorsal tubercle, lobeless; male flowers clustered 
above, female flowers in the lower axils. Stem 
tall, simple, hollow... Es #33 2. ... bidens 
