220 FLORA OF SOUTH AUSTRALIA 
Leaves obovate, upper ones with basal lobes ; 
heads smaller... i fe So ... magnificus 
Erect perennial herbs. 
Heads not exceeding 1 in. diameter in corymbs ; 
leaves linear-lanceolate, entire, or sometimes 
toothed ; involucre campanulate, Glabrous ... /autus 
Heads comparatively small; involucre cylindrical. 
Heads few, ily ; leaves linear, simply 
sessile 4 “i se bi ... Behrianus 
Heads numerous, pee. leaves frequently 
dilated at the base ; achenes usually glab- 
rous be Bes ae ae ... dryadeus 
11. Flowers all tubular ; or the ligule of the ray- 
flowers rudimentary; involucre cylin- 
drical. Shrubs, except, S. brachyglossus. 
Leaves pinnate, segments long linear. Glabrous ... anethifolius 
Leaves oblong or lanceolate, dilated, auricled and stem- 
clasping ; glabrous __... se + is ... odoratus 
Leaves simple, narrowed into a petiole. 
Leaves ovate, white below ... ee ‘5 ... hypoleucus 
Leaves linear. Usually glabrous... 03 ... Cunninghamii 
Leaves linear or lanceolate ; cottony below ... Georgianus 
Erect leafy annual, rarely branched ; leaves linear or 
narrow-lanceolate, entire or indented. Heads very 
small ; ray-corollas with minute ligules ... ... brachyglossus 
Cotula. 
I. Receptacle flat or convex ; marginal flowers 
without corolla. 
Achenes of marginal flowers in a single row; leaves 
entire. 
Phyllaries very broad; achenes of disk-flowers, 
not winged ... ie aa wy at ... filifolia 
Phyllaries ovate; disk-achenes winged; leaves 
sheathing... aa? 4 4 bs ... coronopifolia 
Achenes of marginal flowers in several rows; stems 
slender prostrate ; leaves dissected ; heads on long 
stalks... se i% se otis a3 ... australis 
11. Receptacle conical ; marginal flowers with a 
short corolla. 
Glabrous creeping Drea leaves dissected ; diel 
laries orbicular . Ie wit — ‘ reptans 
