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Essential oils from certain species of the genus Melaleuca.. 35-37 

 General remarks on these oils. Descriptive notice of essen- 

 tial oils from Melaleuca linarifolia M. cmvifolia. M. 

 ericifolia M. Wilsonii M. uncinata M. genistifolia M. 

 squarrosa. 



Essential oils from certain indigenous Victoria plants 37-39 



General remarkfe on the same. Descriptive notice of es- 

 sential oils from Atherosperimim moschatum Prostan- 

 thera lasianthos P. rotunclifolia Mentha Australis M. 

 grandiflora M. gracilis Zieria lanceolata Eriostemon 

 sqnamcus Pittosporum undulatum. 



I. Shewing the amount of potash in the leaves of cer- 

 tain species of Eucalypts ; . 13 



II. Shewing the amount of potash in the branchletp' 



and branchwood of certain species of Eucalypts.. 14 



III. Shewing the amount of potash in the trunfc^bod of 



certain species of Eucalypts 15 



IV. Shewing the amount of charcoal, crude wood vine- 



gar and tar, obtained by the' destructive distilla- 

 tion of the timber of certain Eucalypts 16 



V. Shewing the amount of pure hydrated acetic acid, 

 real wood spirit and wood-vinegar tar contained 



in the crude-wood vinegar (Table IV) 1C 



VI. Shewing the percentage of tannic and gallic acids 



in the barks of certain species of Eucalypts 18 



VII. Shewing the percentage of essential oil obtained 

 from the foliage of certain Eucalypts ; likewise 

 the boiling point and relative illuminating power 



of said oils 29 



VIII. Shewing the solubility of certain .resinous substan- 

 ces in Eucalyptine oils. . . . , 30 



ILLUSTRATIONS. 



Plate I. Eucalypts growing in open country ; the one in the 

 background is a good specimen of E. rostrata. 



Plate II. Eucalypts growing in the sheltered depressions of the 

 Ranges: the trunks of trees here represented are those of 

 E. globulus : the magnificent arborescent fern Dicksonia 

 Antarctica, Lab. (which attains a height of 12 28 feet) 

 is likewise represented. 



