43 
156 . Persoonia linearis, R. Brown . 
Not extending westward of Gippsland. A small, crooked tree, 
singular for the scarious lamellae of its red bark. Wood close, 
prettily marked ; will yield handsome veneers. (Sir William 
Macarthur.) 
157 . Persoonia rigida, R. Brown. 
Grampians, Mount Alexander, Buffalo Ranges, and mountains 
on the Hume River. A shrub of good size, but never a tree. 
Used for tool handles. 
158 . Pimelea microcephala, R. Brown. 
Net tu ra 1 Order — Thymelece. 
In the north-western desert. A tall shrub. Bark extremely 
tough and acrid. Specific gravity of wood, 0*883. 
159 . Pittosporum bicolor, Hooker. 
WHITEWOOD. Natural Order — Pittosporece. 
Chiefly in Fern-tree gullies. A small or occasionally a middle- 
sized tree. Wood valuable for handles of implements, and has 
been used for wood-engraving by Mr. F. Grosse. It is yellowish- 
white, very hard, and of uniform texture and colour; used in 
turnery. Once used for clubs by the Tasmanian natives. The 
tree yields a pale useful gum. Specific gravity of wood, 0*874, or 
weight of a cubic foot nearly 48 lbs. 
160 . Pittosporum phillyroides, De Candolle. 
Restricted to the desert tracts — on sandy or barren stony decli- 
vities and plains, chiefly on limestone subsoil. A small tree, 
bitter in all its parts, yielding a gum similar to gum-arabic. Cattle 
are fond of the leaves. 
