340 POPULAR ECONOMIC BOTANY. 



five or six inches, and is merely the central heart-wood of 

 a large tree. 



Mora Wood, Mora excelsa (Nat. Ord. Leguminoste), is 

 the timber of one of the most majestic trees of Guiana, 

 reaching the height of one hundred feet. Its colour is 

 darker than mahogany, and its grain, close and tough, ren- 

 ders it very valuable for ship-building. The imports of this 

 wood from British Guiana are increasing considerably. 



Purple Wood, or Purple Heart. Copaiba pubiflora. 

 (Nat. Ord. Leguminosm.) — Another of the woods of Guiana, 

 which is extensively used for making the sticks of musket 

 ramrods. Its colour is peculiar, being a sort of puce ; it 

 is imported only in small pieces. 



Australian and New Zealand Woods. 



Huon Pine. Dacrydmm FranUinii (Nat. Ord. Tax- 

 acecE), — This timber of a large tree belonging to the Yew 

 tribe is valuable for ship-building, for which purpose it is 

 occasionally imported. 



Blue Gum Wood. Eucalyptus piperita, (Nat. Ord. 

 MyrtacecB.) (Plate XX. fig. 105.)— One of the most lofty 

 trees in the world, often rising two hundred feet in height, 

 with fine column-like stems rising one hundred to one 



