102 



Zygophyllum Howittii. Sandhills, Lake Torrens Plain, chiefly 

 under shelter o£ shrubs ; widely dispersed. Plant pros- 

 trate, spreading to one foot or more ; radicular leaves, 

 three very large ; flowers very small, solitary, axillary 

 and pedunculate ; sepals and petals f our-merous ; sepals 

 ovate, acute ; petals yellow, barely exceeding the sepals, 

 obovate, one line long, attenuated into a claw ; stamens 

 eight, included ; filaments subulate, slightly dilated at the 

 base, but not winged ; ripe capsules, indehiscent, red 

 fading to yellow in colour, five lines diameter and six lines 

 long. 



Prankenia laevis. Lake Torrens Plain; and stony ground, 

 Aroona Eange. 



Saponaria tubulosa. By water courses on Lake Torrens Plain ; 

 stony hill slopes, Mount Parry. 



Spergularia rubra. Lake Torrens Plain. 



Portulaca oleracea. Sandy beds of creeks and Lake Torrens 

 Plain. 



Clay tenia Balonnensis. Sandhills, Lake Torrens Plain, under 

 shade of shrubs. 



Claytonia polyandra. With the last. 



Ptilotus incanus. Lake Torrens Plain and by Lake Weather- 

 stone. 



Ptilotus exaltatus. Mount Parry G-ap. 



Euxolus Mitchelli. Dry channels of Mount Parry and Depot 

 Creeks. 



Alternanthera triandra. Wet margins of Depot Creek. 



Ehagodia spinescens. Dry beds of creeks. 



Ehagodia parabolica. With the last. 



Ehagodia nutans. Mount Parry Creek. 



Chenopodium nitrariaceum. On the dry slopes of the Aroona 

 Eange, this species has the form of a low intricate bush 

 with very small leaves and spinescent branches. Around 

 Lake Weatherstone, it is a bush about five feet high, with 

 the flowering branches very long, lateral, declinous and 

 spinescent. 



Atriplex nummularium. Lake Weatherstone. 



Atriplex velutinellum. Lake Weatherstone. 



Atriplex Muelleri. Depot Creek. 



Atriplex sp. Lake Weatherstone. 



Atriplex leptocarpum. Mount Parry Gap. 



Atriplex holocarpum. Kanyaka, Wonoka and northward. 



Bassia Dallachyana. Mount Parry. 



Bassia tricornis. Mount Parry. 



Bassia uniflora. Lake Torrens and Mount Parry. 



Bassia lanicuspis. Mount Parry. 



Bassia biflora. Stony ground, Termination Hill. 



