ON SOME N.S.W. TAN-SUBSTANCES. 271 



-88. Acacia aneura, F. v. M. , N.O. Leguminosae, B. Fl , ii., 402. 

 Compare Proc. B. S., N.S.W., xxi., 32. 



Sample obtained from Tarella, Wilcannia. Height, 20 to 30 

 feet ; diameter, 6 to 12 inches. Collected 5th August, 1887. 

 Analysed 13th to 14th August, 1888. 



Another dry-country bark. The bark (xxi., 32) and the present 

 one are much the same. The present bark is less compact, and 

 more flaky and fibrous. The inner bark of the present sample is 

 also lighter in colour. The dry powder exceedingly like chaff in 

 appearance, and ranging in colour from brown to light yellow. 

 The light particles are also exceedingly light in weight. 



Extract. — 12*12 per cent. Colour, light orange-brown ; of 

 moist residue, brown, like spent linseed. 



Tannic acid — 2*032 per cent. Non-tannin and impurities — 

 •305 per cent. 



89. Acacia elata, A. Cunn., N.O. Leguminosse, B. Fl., ii., 413. 

 Found in New South Wales. 



Sample obtained from Fitzgerald's Creek, near Springwood. 

 Height, 50 feet; diameter, 8 inches. Collected 30th March, 

 1888. Analysed 13th to 14th August, 1888. 



Bark flaky and somewhat rugged on the outside, but usually 

 blackish and stained with lichens on account of its habitat 

 (moist gullies). Prevailing colour, reddish-brown. Inner bark 

 fibrous yet well-defined and compact. Average thickness, f inch. 

 Colour of powder, same as A. decurrens, but a shade lighter. 



Extract. — Yields 36-2 per cent. Colour, same as A. implexa, 

 but a shade darker ; of moist residue, pure brown. 



Tannic acid — 20.11 per cent. Non-tannin and impurities — 

 •914 per cent. 



90. Acacia decurrens, Willd. Compare Proc. B. S., N.S.W. , 



xxi., 33 and 93. 



Sample obtained from Nerriga. Height of tree, 15 to 20 feet ; 

 Diameter 8 to 12 inches. Mr. Shepherd "thinks it was stripped 

 two months ago" (letter of 23rd March, 1888). Analysed 13th 

 August to 14th September, 1888. 



A thin smooth bark of the average kind produced by this 

 species. Colour of dry powder, light reddish brown. 



Extract — 62*54 per cent. Colour, rich ruby * of moist residue, 

 very dark sienna-brown. 



