286 



On rectification, 2 per cent, distilled below 173 C. (corr.). Between 

 173-183, 76 per cent, distilled ; between 183-224, 14 per cent, came over, and 

 between 224-270, 4 per cent, distilled. These fractions gave the following 

 results : 



First fraction, sp. gr. at 15 C. = 0-8792 ; rotation a D 33-2. 

 Second ,, = 0-8940; ,, -45 



Third ,, ,, =0-9256; not taken. 



The cineol, determined by the phosphoric acid method in the first fraction, 

 was 26 per cent. (O.M.), indicating about 20 per cent, in the crude oil. When 

 determined nineteen years later by the rapid phosphoric acid method, the result 

 was 22 per cent, in the crude oil, this having been stored in the dark during that 

 time. 



154. Eucalyptus Luehmanniana. 



(F.v.M., in Frag., xi, 38.) 



Systematic. A small tree, or ' Mallee, ' with a flaky bark towards the 

 butt of the trunk, upper- limbs smooth, branchlets distinctly quadrangular, or 

 flattened and glaucous, as" well as the buds and peduncles. Leaves, coriaceous, 

 variable in size, those in the early growth of timber broadly lanceolate, 3 inches 

 wide to 7 inches long, ordinary ones lanceolate, about 6 inches long and i inch 

 wide, green on both sides, slightly shining, petiole flattened, over i inch long; 

 venation very pronounced, lateral veins oblique, spreading, intramarginal ones 

 removed from the edge. Peduncles axillary, much flattened, sometimes 6 lines 

 broad at the top, bearing about six flowers, which in the early stage of growth 

 are enclosed in a calyptra or bracts. Calyx and pedicel continuous, almost quad- 

 rangular wrinkles much in drying, about 2 to 3 lines in diameter when in flower ; 

 operculum acuminate under 3 lines long. 



Fruit. Hemispherical, shining, ribbed, on a very 

 stout flat peduncle about i inch long and 3 

 lines broad; rim broad, outer edge raised 

 in a thin circle ; valves inserted, 6 lines in 

 diameter. 



This fruit stands alone, being quite distinct from any 

 described Eucalypt. 



Habitat. National Park, Bulli Mountain, Spit, Port Jackson, 

 Balgowlah, New South Wales. 



REMARKS. This tree is very rare in New South Wales, being only recorded from a few localities in the 

 neighbourhood of Sydney. Mueller was the original author cf this species, but he afterwards synonymiscd it under 

 E. stricla, with which species it does not appear to us to have any morphological affinity, as the two seem quite 

 distinct. We think that this Eucalyptus from the above quoted localities is distinct from any other New South 

 Wales Eucalyptus tree, and so have retained Mueller's original name for it, as it should, in our opinion, and in the 

 light of our researches, now stand as a species. We do not see how it can be E. virgata, Sieb., as all the previous 

 writings on that particular species go to show that in herbarium material E. virgata, of Sieber, so much resembled 

 E. Sieberiana of Mueller, that the two were thought to be almost, if not quite, identical, and so were placed under 

 one name by Bentham, B. Fl., vol. iii, p. 202. The herbarium material of E. Luehmanniana cannot be confounded 

 with any known species as far as we know, as it is so characteristic. (Vide also remarks under E. virgata, Sieb., 

 and E. Sieberiana, F.v.M., jn this work.) 



