230 MR. S. MOORE ON THE FLORA 
NOTHOLENA VELLEA, R. Br. Between Wilson's pool and 
Lake Darlót, 
GYMNOGRAMME Pozor, Kunze. Near Siberia soak. Nine- 
mile rocks near Coolgardie. Bullabulling. 
STATISTICS OF THE WEST AUSTRALIAN DESERT FLORA. 
Thanks mainly to the labours of the late Baron von Mueller, who 
has given us descriptions of the plants brought down by travellers 
in the interior of the Colony from the time of Forrest and Giles 
until his lamented decease, supplemented by contributions by 
Professor Tate, Mr. Luehmann, and myself, we are now in a 
position to form some idea of the flora of the West Australian 
interior as a whole. For my present purpose, I have collected 
all the references I could find to species having their habitat 
east of the 118th degree of longitude; but as this line passes 
close to Albany, I have, so far as concerns the country south of 
the 32nd parallel, taken the line of 119° as forming the western 
boundary of the desert, which extends eastward to the boundary 
of South Australia in long. 129°, and northward to the Tropie of 
Capricorn. So far as known, the flora of this district, some 
450,000 square miles in extent, comprises 867 species, a number 
no doubt exceedingly small in view of the immense area indicated 
above; but when we consider how small a part of the interior 
has been scientifically explored—of the northern parts we know 
next to nothing—and consider also that every traveller has 
brought down with him a fair proportion of new species, there is 
justification for the belief that many species still remain to be 
discovered. I venture to think, therefore, that at least eleven 
or twelve hundred species will eventually be obtained from this 
part of Australia, and this is a considerable number, bearing in 
mind the extremely scanty rainfall. 
In his ‘ Handbook of the Flora of Extratropical South Aus- 
tralia,’ Professor Tate demarcates the area occupied by the 
Eremian or desert flora of that Colony. The region held by this 
Eremian flora corresponds with the “ salt-bush ” country of the 
pastoralist, and is approximately delineated by the rainfall line 
of ten inches. South of this line, that is, in the more humid 
districts, and except in the extreme south, the Kuronotian flora 
is met with. The Eremian region is further subdivided into 
