238 
MR. 8. MOORE ON THE FLORA 
6 [Tribulus macrocarpus, Sida inclusa, Acacia patens, 
A. pyrifolia, Dicrastylis ochrotricha, Pimeleaammocharis | 
are known from the desert north of 30° alone. 
2 advance into the desert south of 30°. 
v. 9 species are endemic in temperate Australia north of 30° 
and extend into the West Australian desert but not to 
the S.W. corner. Of these: 
7 are known from the desert north of 30° alone. 
2 advance into the desert south of 30°. 
a. 9 
B. SPECIES NOT PECULIAR TO AUSTRALIA. 
species [Polanisia viscosa, Ionidium enneaspermum, 
Polycarpea indica, Malvastrum spicatum, Vigna lutea, 
Drosera indica, Trianthema erystallinum, Cucumis acidus, 
Melothria maderaspatana] are found in the tropics of 
the Old and New World, and reach tropical and sub- 
tropical Australia, and the north and north-east outskirts 
of the West Australian desert, but not the S. W. corner of 
the Colony. 
b. 9 exotic species occur in tropical and extratropical Australia, 
including the S.W. corner. (The extra-Australian distri- 
bution of these is indicated below.) Of these: 
1 [Sporobolus virginicus (Asia, Africa, America)] occurs in 
5 
the desert north of 30° alone. 
[Tetragonia expansa (Japan, N. Zealand, Polynesia, 
extratropical S. America), Gnaphalium japonicum 
(Asia, N. Zealand), Orobanche cernua (India, Medi- 
terranean), Scirpus cartilagineus (Africa, N. Zealand), 
Anthistiria ciliata (Asia and Tropical Africa] are known 
from the desert south of 30° alone. 
| Hypericum japonicum (Asia, N. Zealand), Wahlen- 
bergia gracilis (East Indies, N. Zealand), Trichodesma 
zeylanicum (Tropical Asia and Africa, Polynesia] occur 
in the desert both north and south of 30°. 
c. 1 species [ Lepidium ruderale] occurs in all parts of Australia, 
including the S.W. corner, and in Europe, the Orient, 
and temperate Asia. 
