520 



INDEX. 



PAGE 



Ohio. Northern, best 12 vaiieties of 

 pears on quince 

 stock, 264 



" " test 12 varieties of 



pears for market, 264 

 " " best 12 varieties of 



peaches, 264 



" " best 12 varieties for 



100 trees, 265 



Ohio, Central, fruits adapted to, 206-243 

 " " best 6 varieties of ap- 



ples for 100 trees, 265 

 " " best 12 do. do., 265 



" " best 20 do. do., 265 



" " best 6 varieties of 



pears on pear stock,265 

 " « best 12 do. do., 265 



" " best 12 varieties of 



pears for market, 266 

 » " best 6 varieties of 



pears on quince 

 stock, 266 



" " best 12 do. do., 206 



" " best 12 varieties of 



peaches for 100 

 trees, , 266 



Ohio. Southern, fruits adapted to, 206-243 

 " " best 6 varieties of ap- 



ples for 100 trees, 266 

 " " best 12 do. do., 266 



" " best 20 do. do., 267 



" " best 6 varieties of 



pears on pear stock, 267 

 " best 12 do. do., 207 



" " best 6 varieties of 



pears on quince 

 stock, 267 



" " best 12 do. do., 267 



" " best 6 varieties of 



peaches, 267 



" " best 12 do. do., 267 



Oxygen, 168 



PAGE 



2. Sterility, 444 



3. Premature fall of the fruit, 490 



III. Diseases affecting the stein — 



1. Insects: 



(1) The peach-tree borer, 490 



(2) The snapping beetle, 460 



2. Gumming, 491 



3. Profusion of sap, 462 



4. Vitiation of the sap, 476 



5. Decay, 468 



6. Sunstroke, 473 



7. Wounds, 474 

 Pear, soil for, 83 



" varieties adapted to soils, 88 



" age of trees for planting, 278 

 " height of tree not a criterion of 



value, 279 



" deep planting for dwarfs, 281 



" pruning of, 319 



" varieties for winter exi)0sures, 45 

 " diseases of: 



I. Those affecting the leaf — 



1. American pear blight, 476 



2. Insects : 



(1) The goldsmith beetle, 479 



(2) The red mite, 480 



(3) The pear-tree slug, 480 



(4) The pear-tree lyda, 481 



(5) Large pear-tree astyages, 481 



(6) llispa quadrata, 482 



3. Fungi, 



(1) Ascomyces Bullatus, 483 



(2) Ceratites, 432 



(3) Cladosporiura dendriticum, 431 



4. Discolorations, 483 



5. Premature fall of the leaf, 428 



II. Diseases affecting the flower and 



fruit — 



1. Bletting, or rotting at the core, 484 



2. Induration, 485 



3. Sterility, 444 



4. Immaturity of the fruit, 450 



5. Deficiency in the cutaneous se- 



cretion, 486 



III. Disaeses affecting the stem — 



1. Hoot blight, 487 



2. Insects: 



(1) The pear-blight beetle, 487 



(2) The pear-bark louse, 488 



(3) The locust of the " seven- 



teenth year, 402 



3. Fungus upon the root, 488 



