4 



I'AflKS 



Essential oils fVdiii cert;!!!! spfcit's of tlic Licims IMt'Ialoucii.. 35-37 

 (ic'Hcriil miiiiiks on tlii'sc oils. — l)(s< riiitivc notice of essen- 

 tial oils I'loni Mcluli'Uiii liniiriColin — M. cin'vifolia. — M. 

 oricifolia — M. W'llsonii— M. iiminalu — M. f^cnistifolia — ^^M. 

 K(|narrosa. 



Essential oils fVoiii eiirtaiii iMdiuciious '\''ietoria plants 37-3'J 



Gcnoral rcniaiks on tiic same. — Descriptive notice of es. 

 sontial oils from Atheios|K'rninm nioKchatum — Prostan- 

 thera lasiantlios — T. rotnndifolia — Mentlia Anstralis — M. 

 ^'randiHoia — M.' gracilis — Zieria lanceolata — I'lriostemon 

 squaniens — I'ittosiioiuni nielulatuni. 



TABLES 



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

 tain species of Eucalypts 13 



II. Shcwinii' the atnount of potasli in the hranchlets 



and branehwooil of certain species of Eucalypts.. 14 



III. Shewing the amount of potash in the trunkwood 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 IG 



V. Shewing the amount" of pure hydratcd acetic acid, 

 real wood spirit and wood-vinegar tar contained 



in the crude-wood vinegar (Table IV) IG 



VI. Siiewing the pcrceiitage of tannic and gallic acids 



in the barks of certain species of Eucalypts IS 



A'll. 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 ' .1 pjucalyptine oils 30 



ILLUSTRATIONS. 



Plate I. — Eucalypts growing in open country ; tl.c 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. 



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