BEECH FAMILY 



the surface of the ground. Two sections of the trunk have 

 disappeared and a road now runs through what is left. 



The wood is valuable chiefl}' because of the tannic acid it 

 contains, which makes it very durable in contact with the soil. 



During the tertiary period Castanca ranged to Greenland 

 and Alaska and traces of it are found in the miocene rocks 

 of Oregon and Colorado. 



The Chinquapin, Castauea piimila, is a southern tree often a 

 shrub, which bears an abundance of small sweet chestnuts. 

 The leaf resembles that of C. deiitata but is smaller and very 

 downy on the under surface. 'I'his tree is reported as hardy 

 in the Arnold Arboretum. 



392 



