110 ELEMENTARY WOODWORKING 
It is the white mulberry whose leaves are the food of 
the silkworm. The leaves of this tree are quite regular, 
Fie. 120. Red Mulberry, showing Variation in Leaf Form 
but those of the red and black vary apparently as they 
please. No two leaves seem to be alike either in size 
or shape, and they are very soft and downy. 
