202 NATURE STUDY 



landscapes. New Haven is often called the City of Elms, 

 but many other New England towns are shaded by 

 avenues of elms of almost equal beauty. 



It was under an elm tree, still standing in Cambridge, 

 that Washington took command of the American army, 

 July 3, 1775. Under another elm — probably the Euro- 

 pean elm — Penn concluded his famous treaty with the 

 Indians on the Delaware near Philadelphia. 



The European elm, often seen here in cultivation, lacks 

 the grace and distinction of its American cousin. It sel- 

 dom attains a greater height than fifty feet in this coun- 

 try, but in England it is a noble tree. No one who has 

 been to Windsor Castle will ever forget the avenue of 



