76 



distinct, and fairly oblique, inclined at about 45 to the mid-rib. Peduncles 

 axillary or lateral, bearing dense umbels of five to fourteen flowers. Calyx 

 tube narrow, about 2,\ lines long, contracted into a short pedicel and shorter 

 than the conical, acute, slightly bent operculum. 



Fruit. Narrow, turbinate or even sub-cylindrical ; 

 rim thin, flat; valves slightly exserted; 

 3^ lines long and 2 lines in diameter 

 (occasionally larger than those depicted). 



In shape they nearly approach thosz of E. campanu- 

 lata, E. accedens, or E. Consideniana, although smaller 

 in the latter case. 



Habitat. Western Australia. 



ESSENTIAL OIL. Material of this species for distillation was forwarded 

 from Western Australia, in February, 1904. It was obtained at Narrogin, on 

 the Great Southern Railway. The yield of oil was 1-2 per cent. The crude 

 oil was red in colour, and had an odour characteristic of the cineol-pinene oils 

 generally. Pinene was present in quantity, and it principally belonged to the 

 dextro-rotatory form. Phellandrene was absent, and esters only present in small 

 amount. The higher boiling portion consisted principally of the sesquiterpene, 

 and it is doubtful if aromadendral occurs. Cineol was present in some quantity, 

 but the excess of ter penes caused the oil to be somewhat insoluble in alcohol. 



The crude oil had specific gravity at 15 C. = 0-9097; rotation a u + 13-5; 

 refractive index at 20 = 1-4663, and was soluble in 6 volumes 70 per cent, alcohol. 

 The saponification number for the esters and free acid was 2-4. 



On rectification, I per cent, distilled below 162 C. (corr.). Between 

 162-172, 49 per cent, distilled; between 172-183, 37 per cent, came over; 

 between 183-193, 4 per cent, distilled, and between 245-261, 3 per cent, distilled. 

 Practically nothing distilled between 193 and 245. The fractions gave the 

 following results : 



First fraction, sp. gr. at 15 C. = 0-8988; rotation D + 17-7. 



Second ,, ,, ,, = 0-9134; + 9-7. 



Third ,, ,, ,, = 0-9216; ,, +6-6. 



Fourth ,, ,, ,, = 0-9299; ,, not taken. 



The cineol was determined by the phosphoric acid method in the portion 

 distilling below 183 ; the result was 43 per cent, of that constituent, indicating 

 about 38 per cent, in the crude oil (O.M.). 



In September, 1918, material for distillation was received from Mr. C. E. 

 Lane-Poole, the Conservator of Forests, Western Australia. The oil was prac- 

 tically in agreement with the above, except that the yield was a little less. The 

 cineol was determined by the resorcinol method in the portion distilling below 

 190 C. ; when calculated for the crude oil, the result was 34 per cent. 



