BORTHWICK—ABNORMAL BRANCH OF PRUNUS AVIUM. 269 
what seem to be independent Witches’ Brooms, are present. 
These smaller brooms also occur on other parts of the tree. 
he main trunk is 5 feet 1 inch in girth at 5 feet from its 
base. The abnormal branch bearing the brooms comes off at 
8 feet 6 inches above the ground. Beyond the spherical 
swelling at its base is visible the attenuated apical portion of the 
present branch, 
