210 AUSTRALIAN NATIVE PLANTS. 
living by collecting their bark, to the effect that wattle-gum, dis- 
solved in benzole, “makes an excellent carriage varnish.” It 
never occurred to him to try the experiment for himself, and while 
pointing out that wattle-gum is quite insoluble in that liquid, 
the present may be a convenient opportunity of again protesting 
against the reckless statements which are made in regard to our 
little known raw products. 
All the colonies. 
2. Acacia binervata, DC., (Syn. A. umbrosa, A. Cunn.); N.O., 
Leguminose, B.FI. ii., 390. 
“Black Wattle” of Illawarra (New South Wales), and other places. 
“Hickory.” ‘‘ Myimbarr” of the aboriginals of Illawarra. 
Yields an inferior gum arabic. It is rather dark, though, if 
properly sorted, some of it is of a very light, clean colour. It has 
a dull fracture. As a rule, it does not exude from the trees in large 
quantities, and, therefore, usually comes to market with adherent 
bark, through having been chipped off the tree to waste no gum. 
It dissolves but fairly well in water, leaving rather a considerable 
quantity of insoluble matter in the form of a flocculent deposit. 
New South Wales and Queensland. 
3. Acacia dealbata, Zzzk. (Syn. A. zrrorata, Sieb.); N.O., 
Leguminosz, B.Fl. ii., 415. 
‘* Silver Wattle.” 
The gum from this tree is exceedingly viscous, and is quite as 
useful as some low kinds of gum arabic, taking high-rank amongst 
wattle-gums. It varies from a light sherry colour to a very dark 
and dirty colour, and can frequently be easily detached from the 
tree in large masses. It has a clear fracture. 
South Australia, Victoria, Tasmania, New South Wales and 
Queensland. 
4. Acacia decurrens, W77/d., N.O., Leguminosz, B.FI., ii., 414. 
“Black, Green, or Feathery Wattle,” sometimes called “ Silver 
Wattle,’ once called “ Wattah”’ by the aborigines of the counties of 
Cumberland and Camden, New South Wales. 
This tree yields gum copiously during the summer season. 
In colour, it is amber of all shades, but often it is one of the 
