10 Department Circular 383, U. S. Dept, of Agriculture 
has shown no signs of blight. This tree and others are being made 
tlie cabiect of Eresdite and pathological studies by G. F. Gravatt, 
in charge of the chestnut-blight investigations of the Office of Forest 
Pathology. 
To extend the range of the chestnut southward, further crosses 
might be made between Castanea mollissema and C. alnifolia, the 
Fig. 5.—Chinese timber chinquapin (Castanea henryi (Skan) Rehder and Wilson). 
A large timber tree from western China well worthy of introduction. (Photo- 
graphed by H. H. Wilson, of the Arnold Arboretum) 
latter being a shrubby chinquapin found along the Atlantic coast 
from North Carolina to southern Georgia. Both of these chin- 
quapins are very resistant to blight. When material is available, 
crosses might be made between C. mollissima and C. henryi, the 
timber chinquapin of China (fig. 5). 
