ON SOME N.S.W. TAN-SUBSTANCES. 205 



•53. Casuarina glauca, Sieb., N.O. Casuarinere, B. Fl. vi., 196. 

 Found in South Australia, Victoria, New South Wales and 



Queensland. 

 Vernacular Names — "Belar, Belah, Billa or Bull Oak." 

 Locality whence this particular specimen was obtained — 



Ivanhoe, via Hay. 

 Part of Tree Examined — Bark. 

 Particulars of the tree whence it was obtained — Height 40 



to 50 feet ; diameter 12 to 15 inches. 

 Collected 25th September, 1886. Analysed 19th August to 



4th October, 1887. 



A very common tree, in the interior. Timber exceedingly hard 

 faut brittle. Much used for fencing posts. Bark with innumerable 

 longitudinal fissures and transverse cracks, which give the outer 

 surface a flaky or sub-tubercular appearance. Prevailing colour 

 light grey, with darker patches. Inner bark light brown, and 

 containing fibre of low quality. A compact bark ; total thickness 

 -re inch. Colour of powder dirty brown, with an admixture of 

 light and dark particles. 



Extract. — Yields 17*2 per cent to water at 100° C. Solution 

 of a colour which may be described as ruby, with a tinge of brown. 

 Colour of moist residue Vandyke brown. 



Tannic acid — 11*58 per cent. 



54. Exocarpus cupressiformis, Labill, N.O. Santalacese, B. Fl. 

 vi., 229. 

 Found in all the Colonies. 

 Vernacular Name — " Native Cherry." 

 Locality whence this particular specimen was obtained — A 



quarter of a mile to the east of Rycle Railway Station, 



Great Northern Line. 

 Geological Formation— Sandstone. 

 Part of Tree Examined — Bark. 

 Particulars of the shrub whence it was obtained— Height 10 



feet ; diameter 1 J inch. 

 Collected 30th July, 1887. Analysed 12th to 28th September 



1887. 



This shrub was not a good specimen, being stunted and having 

 a good many galls on it. I did not like to sacrifice a better tree 

 as there were but few in the neighbourhood. The tree however, 

 is a very common one, and the analysis of the bark of this sapling 

 shows that it is worthy of further attention. In passing I may 

 mention that in the neighbourhood of Delegate it grows to the 



