260 INDUSTRIAL PLANTS 
Sassafras (Fig. 160) though neither hard, strong, nor es- 
pecially pleasing, is exceptionally durable and comparatively 
light. Hence it is valued in cooperage, for skiffs, and for 
fencing. Chests made of the wood are said to be somewhat 
proof against insects on account of the peculiar odor which 
is supposed to be repellent to them. 
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Fic. 246.—Black Walnut (Juglans nigra, Walnut Family, Juglandacee). 
Leaf, }. Staminate flower-cluster. Fruit. Nut with husk removed. 
(Britton and Brown.)—Tree growing 45 m. tall; bark rough, brown; 
leaves downy at least beneath; flowers greenish; fruit brown. Native 
home, Eastern North America. 
Fic. 247.—Wild Black Cherry (Prunus serotina, Rose Family, Rosacee). 
Flowering branch, 3. Fruit-cluster. (Britton and Brown.)—Tree 
growing about 30m. tall; bark rough and black; leaves smooth above; 
flowers white; fruit dark purple or black. Native home, Eastern 
North America, 
Hickory (Fig. 30) is one of the very toughest and strongest 
of our woods, and has the advantage of being straight- 
grained. Its liability to decay or to be attacked by insects 
when buried or exposed makes it unsuitable for many pur- 
poses, but does not prevent its being an invaluable wood 
for carriage and wagon stock, for parts of implements and 
machinery, for tool-handles and timber-pins, and in harness 
work and cooperage. Several species are used. 
Walnut, especially black walnut (Fig. 246) has long been a 
favorite ornamental wood particularly well adapted for join- 
