87 



it. The sequence of the orders and the specific names are ac- 

 cording to Baron Mueller's Census of the Australian Flora. 



In the margin I have indicated the distribution of the extra- 

 australasian species, the abbreviations employed being as follows : 

 — -O, Oriental ; e, Ethiopian ; t, Tropics ; a, Andean ; med, 

 Mediterranean ; cos, Cosmopolitan, or nearly so. The species of 

 exotic origin number QS, which is equivalent to 17 per cent. o£ 

 the whole ; whilst for the whole continent the percentage is 

 twelve, the figures being as follows : — 



Immigrant species ... ... 1,058 K .-,qp 



Emigrant species ... ... 178j''^ 



Total species ... ... 8,800 



The asterisk prefixed to the species-name indicates that the 

 species is essentially Eremian, and the double asterisk that it is 

 peculiarly Eremian. 



List of localities : — 



South side of Lake Eyre. — Farina, Hergott, Callana, Stuart's 



Creek, Priscilla Springs ; all on the Great Northern 



Line of Railway. 

 West side. — Beresford, Strangways and William Springs 



(tableland adjoining), Anna Creek, and Peake ; all on 



the Great Northern Line of Railway. The Margaret 



approaches the Railway in the vicinity of Coward 



Springs. 



Cootanoorrinna is about 30 miles south-west from 



Peake, and Nilpinna is about half-way. The Neales 



intersects the Telegraph Line 13 miles north of Peake. 

 North-east side. — Warburton River. 

 East side. — Innaminka, on Cooper Creek, near here the 



floodwaters of Cooper Creek discharge into the Strze- 



lecki. 

 South-east side. — Hamilton Creek, John Creek, Paralana, 



and Wooltana, on the nortli-west side of Lake Frome. 



List of Species, with Localities, &c. 



ORDEPw CRUCIFER^. 



■^ Sisymbrium trisectum. Cooper Creek (FI. Aust.) ; Strang- 

 ways ! 

 cardaminoides. Strzelecki Creek ! ; Warbur- 

 ton River ! ; Innaminka ! 



* Erysimum lasiocarpum. John Creek ! ; Strzelecki Creek ! ; 



Warburton River ! 



* brevipes. John Creek ; Lake Frome ! ; Strzelecki 



Creek ! 



