292 THE BOOK OF FORESTRY 



USES OF THE PRINCIPAL AMERICAN SPECIES Continued 



Other oaks classed as white oaks and used for the same purposes are post, 

 burr, rock, swamp white, cow and live oaks. All of these are found in the 

 Eastern and Southern States. 



Red oak (Quercus 4X150 Nova Scotia to Similar to white oak, but 

 rubra). Minnesota and not as hard, strong or as 



south to Georgia durable. Used for furni- 

 and Kansas. ture, ties, interior finish 



and general hardwood lum- 

 ber. 



Black osik(Quercus 4X100 Maine to Minne- Wood is strong, heavy, and 

 velutina). sota, Florida and hard but not tough. Used 



Texas. for about same purposes as 



red oak. Its inner bark 

 is rich in tannin and very 

 bitter. It was formerly in 

 great demand as a source 

 of yellow dye. Hence 

 black oak is sometimes 

 known as yellow oak. 



(Other oaks classed as black oaks and used for the samel purposes are" scar- 

 let, pin, Spanish, and water oaks. All are found in the East. 



