XIV 



List of Illustrations 



PAGE 



Nursery Plum Trees 275 



Plum Tree Two Years Old 276 



Diagram of Northern Limit of Lombard and Bradshaw 



Plums 3ii 



Diagram of Northern Limit of Burbank and Kelsey 



Plums 312 



Diagram of Northern Limit of Wildgoose and Other 



Plums 313 



Shot-hole Fungus 324 



Plum Scab 327 



Sunscald of Plum Tree 330 



Canker of Branches of Satsuma 334 



Single-tree Disease 337 



The Plum Curculio Magnified 339 



Johnson's Curculio Catcher 341 



Frame for Curculio Catcher 34 2 



The Plum Lecanium Scale 344 



Double Blossoms of Americana Plum .... 361 



