xiv List of Illustrations 



PAGE 



Nursery Plum Trees . . . . . . . 275 



Plum Tree Two Years Old 276 



Diagram of Northern Limit of Lombard and Bradshaw 



Plums . 311 



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 ...... 342 



The Plum Lecan'um Scale . . .... . . 344 



Double Blossoms of Americana Plum ..... 361 



