310 ON SOME NEW SPECIES OF EUCALYPTUS, 



Specific gravity crude oil at 15° C. =0-9076. 



Specific gravity fraction 165-185° C at 15° C. =0-9016. 



Specific rotation crude oil = [a]jj + 11 -8°. 



Specific rotation fraction 165-185° C = [a]j) + 13 6°. 



Eucalyptol fraction 165-185° C. = 42 per cent, 



A consignment of leaves was sent from Girilambone, 16th 

 March, 1900, to test the constancy of the species. The oil differs 

 from that obtained at Nyngan only in the ratio to be expected in 

 Eucalyptus oils of the same species, and they may be considered 

 identical oils. 



Specific gravity crude oil at 15° C. = 0-9078. 



Specific rotation crude oil = [a] T) + 10'7 C '. 



Eucalyptol crude oil = 37*2 per cent. 



The yield of oil appears to vary in these trees, but the greatest 

 amount obtained was 0-64 per cent. The deficiency of yield and 

 the inferior quality of the oil make this species of little use for 

 oil distillation (H. G. Smith). 



Kino — The kino is ruby-coloured, transparent in thin pieces, 

 somewhat tough and not easily powdered. It is exceedingly 

 ■soluble in cold water to a clear ruby-coloured solution. On 

 addition of alcohol to the aqueous solution a precipitate is formed 

 as in the kinos of the ironbarks. The kino is but slightly 

 soluble in alcohol even on boiling. Ferric chloride in a very 

 dilute aqueous solution gives a purplish-brown colouration. This 

 is the first instance of a tree of this character giving a kino con- 

 taining gum. The ironbarks, and E. saligna, E. resinifera, E. 

 patentinervis and all Eucalypts of this group give kinos contain- 

 ing gum (H. G. Smith). 



Another species, E. largiflorens, F.v.M., which occurs in the 

 same districts and in herbarium material approaches it closely, is 

 also known by the vernacular name of ' ' Coolabah," but in the field 

 there can be no doubt as to these being distinct species. 



