92 THE FLOEA OF THE NOBTHEEN TBRRITOKY. 



Fruiting-perianth membranous or herbaceous, enveloped in wool or long 

 hairs, without any or with horn-like or spinescent dorsal appendages. — 5. 

 Bassia (Chenolea). 



Fruiting-perianth hard, at least at the base, the lobes usually membranous 

 and withering. — 5. Bassia. (ScleroljEna and Anisacantha.) 



Tribe III. Branches articulate, fleshy. Leaves none. Flowers more or 

 less immersed. Testa various. Embryo curved or folded with httle or no 

 albumen. Single genus. — 8. SaUcornia. 



Tribe IV. Branches continuous, Leaves narrow, flat or terete, entire. 

 Testa various. Embryo spirally coiled, without albumen. — 9. Salsola. 



Tribe V. Branches continuous. Leaves entire, hnear, fleshy. Testa 

 crustaceous. Embryo enclosing a mealy albumen. — 1. Hemichroa. 



1. HEMICHROA, R. Br. 1816. 



1. H. diandra, B. Br.— 10 miles W.S.W. of Stuart Range, G. F. Hill 

 (No. 228), 2/6/1911. Near salt lakes. 



Recorded. Mchol Bay, N.W. Coast, F. v. Mueller. 



2. RHAGODIA, R. Br. 1810. 

 Saltbiishes. 



Inflorescence nearly single or panicle not much branched. — 2. R. crassi- 

 foha. 



Leaves flat, rather thin, mostly alternate broad and small. Plant spine- 

 scent. — 3. R. spinescens. 



I Leaves thin, green, opposite or alternate. Plant usually slender or weak. — 

 2. R. nutans. 



1. B. crassifolia, B. Br. — Sturt's Creek, F. v. Mueller. 



2. B. nutans, B. Br.— Macdonnell Ranges, G. F. Hill (No. 118), 23/3/191 1 . 



3. B. spinescens, B. Br. — Hermansburg, Finke River, G. F. Hill (No. 99), 

 18/3/1911. 



A hardy perennial fodder-plant. Aboriginal name in the Dieyerie dialect 

 of Central Australia, Yillaroo. 



B. Billiardieri, B. Br. — Recorded in National Herbarium Census from 

 North Australia. 



3. CHENOPODIUM, Linn. 1735. 



{ Agathophytum, Moq., 1834; Ambrina, Spach., 1836; Anserina, Dum., 

 1827 ; Blitum, Linn., 1737 ; Botrydium, Spach., 1836 ; Lipandra, Moq., 1840 ; 

 Morocarpus, Adans, 1763 ; Oligandra, Less., 1834 ; Oliganihera, Endl., 1841 ; 

 Orthospermum, Opiz., 1852 ; Orthosporum, Nees., 1835 ; Oxybasis, Ear., and 

 Kir., 1841 ; Teloxys, Moq., 1834). 



Section I. Spinescent shrub. Flower-clusters in terminal spikes. Seeds 

 vertical. — 10. C. nitrariaceum. 



Section II. Herbs mealy-white or glabrous. Flower-clusters in terminal 

 or axillary spikes or panicles. Seeds all or mostly horizontal. — 4. C. aurico- 

 mum. 



1. C. auricomum, Lindl. — Near Anthony's Lagoon, G. F. Hill (No. 528), 

 21/8/1911. ' 



10 miles W. of Eva Downs, G. F. HiU (No. 516), 19/8/1911. 



