SYCAMORE MAPLE (Acer pseudo-platanus) . The most im- 

 portant hardwood of Europe, introduced into America as a 

 shade tree; planted in avenues in Eastern cities; thrifty but 

 short-lived. Distinguished by its thick, 5-lobed, crenate- 

 bordered leaves, of large size, and by the very long, pendulous 

 racemes of flowers and keys, that hang all winter, giving the 

 leafless trees an unkempt look. 



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