Qualities and Uses of the Woods of Ohio 99 
builders try to secure. It has largely taken the place of hemlock and 
white oak. 
For siding there is no wood in such demand as tulip or yellow 
Fig.13. A plantation of common locust completely ruined by the locust borer 
(Cyllene robiniae). Fungus growths often follow the ravages of the 
borer. 
poplar. In fact, nearly all of the wood-using industries call for this 
species. The reasons for its popularity are, that it is free from knots. 
