46 FLORA OF SOUTH AUSTRALIA 
Fruiting calyx enlarged and succulent. 
Fruiting calyx ENS te BPR ar seed hori- 
zontal : 
Fruiting calyx Rap atal, ‘iea8 Feibanty 
Calyx with appendages, closing over the fruit. 
Fruiting calyx enlarged with 5 free or connate 
horizontal wings. Undershrubs, rarely herbs ... 
Fruiting calyx indurated and mostly enlarged into 
5 or less spinous ap ReNCageS Small under- 
shrubs or almost shrubby .. ¥. 
Fruiting calyx with small at ont te ee cess dnd? 2 
or 5 dorsal stalked, more or less vertical, wing- 
like membranes. Small diffuse undershrubs ; 
leaves fleshy, cylindrical 
11. Leaves absent. Embryo almost annular. 
Stems jointed, fleshy; flowers on each side of the 
shorter terminal joints of the branches forming a 
more or less compact terminal spike ; calyx thin 
2- to 5-lobed; stamens | or 2; styles 2 or 3, united 
in a column; fruit concealed within the joints 
11. Leaves developed ; embryo spirally coiled. 
Calyx rigid with dorsal horizontal wings; leaves almost 
cylindrical, pungent-pointed... 
Calyx herbaceous, without appendages ; leaves almost 
cylindrical, thick wks ve 
Atriplex. 
1. Staminate and pistillate flowers on separate 
plants. Fruiting calyx closed to near the 
base. Shrubs with the male inflorescence 
in terminal spikes, the female flowers 
generally solitary and axillary. 
Fruiting calyx flat, reniform, on a stalk nearly as long 
as the calyx ; leaves narrow-elliptical to obovate 
Fruiting calyx flat, ovate, inconspicuously stalked ; 
leaves from elliptical to lanceolate ... ; eo! 
Fruiting calyx with thick convex valves; leaves or- 
bicular to ovate-rhomboid 
Fruiting calyx flat, deltoid to rhomboid, Sse a site. 
nate solid base ; leaves lanceolate to oval, ashy-grey 
11. Staminate and pistillate flowers on the same 
plant. 
Male flowers in terminal spikes; female flowers solitary 
and axillary. Shrubs. 
Enehylaena 
Threlkeldia 
Koehia 
Bassia 
Babbagia 
Salicornia 
Salsola 
Suaeda 
stipitatum 
paludosum 
nummularium 
cinereum 
