340 



POPULAR ECONOMIC BOTANY. 



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

 a large tree. 



MoEA WooD^ Mora excelsa (Nat. Ord. Legummosce) , 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 puhiflom. 

 (Nat. Ord. Leguminosm,) — Another of the w^oods of Guiana, 

 which is extensively used for making the sticks of mrusk^ 

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

 is imported only in small pieces. 



Australian and New Zealand "Woods. 



HuoN Pine. Dacryclium Franlclinii (Nat. Ord. Tax- 

 acecE), — Tlhis 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. 

 Myrtacece,) (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 



