EXOGENOUS SERIES— BROADLEAF IVOODS. 127 



Tuart. Eucalyptus gomphocephala. 



Nomenclature. 



Tuart (local and common Tooart (Australia). 



name). White Gum (Australia), 



Tewart (Australia). 



Locality. 

 Australia. 



Features of Tree. 



One hundred to one hundred and fifty feet in height, four to six 

 feet in diameter. Lower branches forty or more feet from 

 ground. Bright, cheerful appearance, straight trunk, gray- 

 white bark. 



Color, Appearance, or Grain of Wood. 



Heartwood light yellow, compact appearance, fibres interlaced. 



Structural Qualities of Wood. 



Very hard, heavy, strong, tough, rigid, durable, seasons well. 

 Difficult to split or work. 



Representative Uses of Wood. 



Keels, buffers, stern-posts, frames, wheel-hubs, shafts. 



Weight of Seasoned Wood in Pounds per Cubic Foot. 

 67 (Ednie-Brown).* 



Modulus of Elasticity. 



2,300,000 (Ednie-Brown).* 



Modulus of Rupture. 

 9300 (Ednie-Brown).* 



Remarks. 



Highly prized locally. One of the strongest of woods. Gom- 

 phocephala refers to peculiarities in lid of calyx-tube. 



* Report on Forests Western Australia, Presented to Parliament, 1896. 



