592 



been able to carry on the experiments intermittently and 

 it is likely that it will be sometime before I am able to 

 follow up the subject systematically. I propose to try 

 experiments with other solutions to see if I cannot get 

 similar growths. But in the meantime it seemed worth 

 while to place on record the results I have obtained, and it 

 is open to anyone to develop the matter further. My 

 assistant, Mr. H. A. Harding, who first called my atten- 

 tion to the growths, has carried on a similar series of 

 experiments, but quite independently. His results accord 

 very well with mine. He is also pursuing the subject and 

 making some analyses in connection with it. 



ON THE AUSTRALIAN MELALEUCAS AND THEIR 



ESSENTIAL OILS, Part III. 



By Richard T. Baker, f.l.s., Curator, and Henry G. 



Smith, f.c.s., Assistant Curator, Technological 



Museum, Sydney. 



With Plates XLI, XLII, XLIII, XLIV, XLV, XLVL XLVII. XLVIII. 



lead before the Royal Society of N. S. Wales, December 7, 1910.] 



1. M. trichostachya, Lindl. 



2. M. bracteata, F.v.M. 



3. M. slyphelioides, Sra. 



Introduction. -This paper is the outcome, more particu- 

 larly of Part I of this series, which includes M. linariifolia, 

 for some of the material here described was collected under 

 that name, but the investigation early showed that in this 

 connection two distinct species were being dealt with, and 

 the matter was held over for further enquiry. Since then 



