PLATE XI 



M. F. Connelly, I'holo.] \,~ < 



LEAF OF EUCALYPTUS DIVES. SCHAU. 



The venation indicates the pn-M-iicc of phellandrene in the oil 

 together with the peppermint ketono. \<>ir tin- elwi-.ic teii-tii 

 looping arrangement of the principal veins, the commencement 

 of which feature is first seen in the bending of the marginal vein 

 in the venation of the leaves belonging to the cineol-pinene group. 

 Oils obtained from Eucalyptus species having this leaf venation 

 are now extensively used for the separation of metallic sulphides 

 by a dotation proc 



