A HANDBOOK FOR EUCALYPTUS PLANTERS. 



45 



It is attacked and ultimately destroyed by borers, notwithstanding 

 contrary statements. Its superiority seems to lie in its extreme hard- 

 ness, tor when gum and softwood piles are used together in a wharf, 

 the borers concentrate their attack on the softer piles. Experienced 



PLATE 10. Blue gum piling in the wharf at Santa Barbara. 



users discriminate in favor of piles from old, slow- grown trees cut 

 during the winter and seasoned thoroughly. 



Eucalyptus piles in general use are from 30 to 35 feet long and from 

 12 to 24 inches in diameter. Such piles bring from $5 to $15 apiece 

 on the stump. 



