CUPULIFERZ. SILVA OF NORTH AMERICA. 11 
Chestnut-trees can be easily raised from seeds, which, however, lose their power of germination if 
allowed to become too dry,' and the varieties are propagated by grafting. 
Castanea, the Chestnut-tree of the Romans and the pre-Linnzan botanists, was united by Linnzus 
with the Beech-tree in his genus Fagus. 
The leaves of the Chestnut are attacked by several Mildews, and, _fulta, Saccardo, is never so conspicuous as it is on the fallen Chest- 
although common on the leaves of several trees, Phyllactinia suf- nut-leaves in the autumn. 
1 Cobbett, Woodlands, 193. 
CONSPECTUS OF THE NORTH AMERICAN ARBORESCENT SPECIES. 
Leaves oblong-lanceolate, long-pointed, green and glabrous on both surfaces; nuts 2 or 3 in each involucre, 
fattened 2 2 + 4 8 6 we wR we we Rw we ee ee eee we we wo we a DC.DENTATA,. 
Leaves oblong, acute, silvery white and pubescent on the lower surface; nut solitary, cylindrical. . . . . 2. C. pumma. 
