AND THEIR ESSENTIAL OILS. 29 



Maiden, in his paper on the " Tasmanian Eucalypts " 

 (Proc. A.A.A.S., p. 254), under " E. coriacea," speaking 

 of its synonym E. submultiplinervis, states : " The material 

 as far as it goes in the venation of the leaves and their 

 hooked apices, their length and breadth in the very young 

 buds, in the calyces and flowers, absolutely match much of 

 the E. coriacea from New South Wales. Bentham (' B. 

 Fl.' III. 201) speaks of this variety as a narrow, straight- 

 leaved variety of the ordinary size. E. phlebophylla, 

 F. v. M., is also interesting to the Tasmanian 

 botanist from the circumstance that Miquel (' Ned. 

 Kruidk.' IV. 140, 1856), who described the species on 

 behalf of Mueller, gave Stuart's Tasmanian specimens as 

 co-types. I have examined Stuart's specimen, and it bears, 

 in Miquel's handwriting, the words ' E . phlebophylla, 

 M.' (Mueller), with the words ' E . submultiplinervis, 

 affinis/ cancelled. (Herb., Melb.)." 



The " much " (supra) is without doubt this species on 

 the mainland, and we are able to show that such does exist 

 on the Continent of Australia. Bentham's remarks (supra) 

 also describe this species all right. In the light of personal 

 knowledge it seems strange that this confounding of species 

 should have lasted so long, for the timbers alone of the two 

 are different, and the chemical characters are distinct. 



Timber. This is not easily confounded with E. coriacea. 

 It is fairly light in weight, pale-coloured, dresses well, and 

 in figure is not at all unlike coachwood C eratopetalum 

 apetalum but has not the characteristic aroma. It would 

 make a good cabinet timber. 



CHEMISTRY. 



Essential Oil. This material for distillation was col- 

 lected at Tunbridge in June, 1912. The average yield was 

 1 per cent. The crude oil was light olive-brown in colour, 

 had a terpene-like odour, and consisted principally of 

 laevo-rotatory pinene ; it also contained phellandrene, 

 eucalyptol, and eudesmol. This last constituent crystallised 

 from the high boiling fraction. This is not the first time 

 that a pinene oil has been distilled from the so-called 

 " Cabbage Gum," so that the species is common to both 

 Australia and Tasmania. Oil was first distilled from this 

 Eucalypt by Mr. Marsden, at Muloon, near Boro, New 

 South Wales, in February, 1908, and was brought under 

 our notice by Mr. Farrell, of the Australian Eucalyptus 

 'Oil Company, on account of its strong odour of turpentine, 



