178 



RANGE. 



It occurs, so far as we know at present, in certain drier parts of South Australia 

 and also in the Broken Hill district of New South Wales, also in dry country. I 

 have received a few leaves and fruits from Burracoppin, Western Australia, from 

 Dr. J. B. Cleland, which may possibly belong to tbis species. It should be looked 

 for in dry country. 



Following are the localities known to me so far : — 



South Australia. — I have just returned from a most interesting trip 80 miles east of Farina to the 

 Flinders Ranges west of Lake Frome, about 400 miles north of Adelaide, at a place called Umberatana, 



It covers scores of acres on the poor hill and rise sides on travertine limestone and schert country 

 and looks like a great blue or silver blanket over the country. E. oleosa is the only other Mallee anywhei 

 within hundreds of miles. (W. Gill.) 



I have received the same form from Mr. Gill from Laura and Wirrabara, and 

 from Mt. Lyndhurst from Max Koch. 



New South Wales. — -About 50 miles north of Broken Hill, between Tarrawangee and Corona, on 

 the bauks of a small creek. These trees cover an area of about 2 acres, and beyond one other lot, I have 

 not seen any in other parts of my district. (Assistant Forester II. \V. Garling, Broken Hill.) 



The same plant was received from Euriowie, Broken Hill (J. B. Carne, through 

 11. H. Cambage). 



AFFINITIES. 



1. With E. oleosa, F.v.M. 



Its relations to this species are very close, and the two species seem to bear 

 the same relation to each other that do E. amygdalina, Labill., and E. Risdoni, 

 Hook, f., and other " pairs " of species, e.g., E. apiculata, Baker and Smith, and 

 E. virqata, Sieb. 



E. Gillii is at tbe " broad-leaved " end of a series, the extreme narrow-leaved 

 end being represented by tbe narrow-leaved form, which is not rare, of E. oleosa. 



Some botanists may look upon it' as a latifolia form of E. oleosa, but I think 

 it is sufficiently distinct to merit specific rank. 



E. laurifolia, Behr, is a petiolate, comparatively narrow-leaved Eucalypt 

 which is a transit form between E. oleosa and E. Gillii. 



2. With E. pulverulenta, Sims. 



Glaucousness is a matter of environment mainly, but the general similarity 

 of tbis species to E. Gillii does not entirely depend on this. The leaves are a 

 good deal alike in shape, but the buds and fruits are very different. Scrubs of 

 E. pulverulenta and E. Gillii resemble each other a good deal except that the bark 

 of the stems of the former are more fibrous. 



Other species with not dissimilar cordate leaves are E. Risdoni, Hook, f., 

 E. setosa Schauer, and there are others, but they have no close relations to E. Gillii. 



