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



A typical representative of the dry-country wattle barks. 

 Seems to consist of nothing but flakes and layers of fibre. The 

 inner bark is of a bright yellow, and very strong. Colour of dry 

 powder, light yellowish-brown. 



Extract. — 14*52 per cent. Colour, orange-brown ; of moist 

 residue, raw umber. 



Tannic acid — 3*25 per cent. Non-tannin and impurities — 

 1-93 per cent. 



86. Acacia stenophylla, A. Cunn., N.O. Leguminosae, B. FL, 

 ii., 385. 



Found in all the Colonies except Tasmania and "Western 

 Australia. 



Sample obtained from Yantara, near Milparinka. Height, 

 15 to 20 feet ; diameter, 6 to 12 inches. Collected 22nd 

 November, 1887. Analysed 15th to 16th September, 1888. 



A rugged looking, coarsely fissured bark, prevailing colour dark 

 grey. Possesses the characteristic appearance of the dry-country 

 wattles. This particular bark is unusually thick, averaging 

 |- inch. Colour of dry powder, light reddish-brown. 



Extract — 24*46 per cent. Colour, bright ruby ; of moist 

 residue, dark reddish-brown. 



Tannic acid — 9*448 per cent. Non-tannin and impurities — 

 1-524 per cent. Obviously a wattle of some promise, considering 

 the locality. 



87. Acacia implexa, Benth., N.O. Leguminosse, B. FL, ii., 389. 



From a tree cultivated at Burwood, near Sydney, and kindly 

 sent to the author by the Rev. Dr. Woolls. 



Occurs from Victoria to Queensland. Collected 15th November, 

 1887. Analysed 14th August, 1888. 



Slightly bitter to the taste, but this sample is from an old tree, 

 and the bitterness is less noticeable. Hoary looking, in layers 

 and flakes. Average thickness -J inch. A dry looking, uninviting 

 kind of bark. Powder very dark in colour, almost the colour of 

 burnt umber. 



Extract. — 20-54 per cent. Colour, light ruby, inclining to 

 orange ; of moist residue, rather darker than that of A. desurrens. 



Tannic acid — 7 "822 per cent. Non-tannin and impurities — 

 "1.016 per cent. 



