207 
Pinnce. —Very irregularly in one or two pairs, with or without an odd one, the petiole and each 
rhachis varying from 1 to 6 inches long; leaflets usually three or four pairs on the terminal 
pinnae, but very irregular in number, size, and shape, mostly broadly oblong or rhomboidal 
and acuminate, rarely very obtuse, the larger ones often 2 or 3 inches long, but mostly 
smaller. 
Peduncles. —Two or three together in the upper axils or shortly racemose. 
Flowers. —Numerous, in globular umbels, on pedicels of about 2 lines. 
Calyx. —Small, shortly toothed. 
Corolla. —Fully 2 lines long. 
Pod. —Several inches long, 7 to 8 lines broad, flat but much curved and twisted, the upper inner 
margin thickened and continuous; the outer one much sinuate and undulate, the valves 
smooth and reddish inside. 
Seeds. —Ovate transverse. 
Funicle. —Rather thick, but terete, folded under the seed.—(B.F1. ii, 123, as Pithecolobium). 
Botanical Name.— Albizzia, in honour of an old and noble Florentine 
family—the Albizzia—to whom the genus was dedicated by Durazzini, in the year 
1772 ; pruinosum, Latin, frosty, or liable to frost, hence in botanical descriptions, 
having a whitish or frosted appearance, which the leaves of this tree sometimes have. 
Vernacular Name.—It is sometimes called “Stinkwood” from the sour 
and rather unpleasant smell of the freshly-cut timber. 
Aboriginal Names.—“ Malla Waundie ” of those of the Clarence and 
Richmond ; “ Talingora ” of some Queensland aborigines. 
Synonyms.— Pithecolobium umbrosum and Acacia umbrosum, A. Cunn., in 
the Cat. N.S.W. Products for the London Exhibition of 1862. Acacia sapindoides, 
A. Cunn., ex. Sweet, Hort. Brit. ed. iii, 198; Hill, in Cat. Queensland Exhibits, 
Lond. Exhib., p. 30. 
Timber.—Wood of a light yellow colour, becoming brown near the centre; 
of a very disagreeable odour when newly cut. Wood soft, not durable. 
In the Cat. of N.S.W. Timbers, London Exhib., 1862, it is stated that the 
timber is hard and occasionally used for carpenters’ tools. Hill speaks of it as soft, 
but tough. The fact of the matter is it is not an important timber tree at all, being 
only occasionally used for economic purposes. 
Exudation. —The gum of this species is only partially soluble. It is rare 
and is not likely to be of commercial importance. Following is a note * on a 
specimen :— 
This sample is in small amber-coloured pieces and is very much admixed with woody matter. Tt is 
fairly transparent, and breaks with a bright fracture. It is only partly soluble in water, the soluble 
portion being arabin ; it forms a fairly adhesive liquid. It gives no precipitate with ferric chloride, nor 
does it form a jelly, and only slightly darkens when heated with dilute soda. The unsoluble portion is 
soluble in dilute alkalis, and is precipitated as arabin on acidifying with acetic acid and adding alcohol. 
ii 
• Maiden and Smith, Proc. Royal Soc. N.S. fV., 1895, p. 400. 
