IN EXTRA- TROPICAL COUNTRIES. Ill 



tionally reaching the height of 400 feet, with a proportionate 

 girth of the stem. Mr. Muir measured stems about 300 feet 

 long without a branch; widths of timber of as much as 12 feet 

 can be obtained. Furnishes good timber for ship and boat 

 plank, particularly for masts, likewise for wheels ; also valuable 

 for shafts, spokes, felloes, fence-rails ; it is elastic and durable, 

 but not so easily wrought as that of E. marginata. Fair pro- 



fress of growth is shown by the young trees, planted even in 

 ry exposed localities in Melbourne. The shady foliage and 

 quick growth of the tree promise to render it one of our best 

 for avenues. In its native localities it occupies fertile, rather 

 humid valleys, and represents there the E. amygdalina var. 

 regnans of South-East Australia in habit. 



Eucalyptus Doratoxylon, F. v. Mueller. 



The Spear- Wood of South- West Australia, where it occurs in 

 sterile districts. The stem is slender and remarkably straight, 

 and the wood of such firmness and elasticity that the nomadic 

 natives wander long distances to obtain it as material for their 

 spears. 



Eucalyptus eugenioides, Sieber. 



New South Wales. Regarded by the Rev. Dr. Woolls as a fully 

 distinct species. Its splendid wood, there often called Blue Gum- 

 Tree wood, is available for many purposes, and largely utilised 

 for ship -building. 



Eucalyptus ficifolia, F. v. Mueller. 



South-West Australia. Although not a tree of large dimen- 

 sions, this splendid species should be mentioned for the sake of 

 its magnificent trusses of crimson flowers, irrespective of its 

 claims as a shady, heat-resisting avenue tree. It bears a close 

 resemblance to E. calophylla. 



Eucalyptus globulus, Labillardiere. 



Blue Gum-Tree of Victoria and Tasmania. This tree is of ex- 

 tremely rapid growth, and attains a height of 350 feet, furnish- 

 ing a first-class wood ; ship-builders get keels of this timber 120 

 feet long ; besides this, they use it extensively for planking and 

 many other parts of the ship, and it is considered to be in some 

 respects superior to American White Oak. A test of strength 

 has been made between some Blue Gum, English Oak, and 

 India Teak. The Blue Gum carried 14 Ibs. weight more than 

 the Oak, and 17 Ibs. 4 ozs. more than Teak, upon the square inch. 

 Blue Gum wood, besides for ship-building, is very extensively 



