Princeton ElmStreets and neighborhoods all over America used to be lined with American elm, but then disease wiped them out. Now you can bring back the feeling of turn of the century America by planting a 'Princeton' elm! 'Princeton' elms are disease resistant . . . In fact, 'Princeton' elms have recently been planted to replace elms killed by disease along Pennsylvania Avenue in front of the White House. Bright green leaves emerge in early spring, turning bright