20 
LAWK AND SHADE TREES. 
not flourish finely, and for use in planting on a rocky point or 
hill in connection with the birch it is the best. 
For single trees on lawns of small extent, the cork-barked 
elm ( suberosa ) has claims that commend it to every planter. It 
is vigorous and hardy, foliage rich and dark, hanging late in 
autumn, and its branches and twigs covered with a fungous 
Fig. 6.-— Japan Ginko. 
growth of a cork-like substance, so singular and curious as to 
attract attention and admiration. The foliage of all the elms in 
autumn is of a yellow tint. 
Ginko — Salisburia . — The ginko is a tree of great botanical 
