SOME IMPORTANT PEAR DISEASES. 



I. LEAF-SPOT. 



I.. General Account. 



2. Geographical Distribution of the Fungus. 



3. Occurrence in Orchards. 



4. Spraying Experiments in the Orchard. 



5. Occurrence in the Nursery. 



6. Microscopic Characters. 



II. LEAF-BLIGHT. 



I. General Account. 



Microscopic Characters. 



Occurrence in Orchards, and Remedies. 



Occurrence in Nurseries, and Remedies 



References to Literature. 



III. PEAR-SCAB. 



1. General Account. 



2. Special Characters of the Fungus. 



{a. ) ISIicroscopic Appearance. 



{b.^ How the fungus passes the winter. 



{c.) Does pear-scab differ from apple-scab? 



3. Varieties Affected. 



4. Remedies. 



5. References to Literature. 



IV. PEAR-BLIGHT. 



1. General Appearance. 



2. Historical. 



3. Special Features of the Disease. 



(«.) The Bacteria, 

 {b.) Kinds of trees affected, 

 {c.) Bacteria in the ffowers, 

 {d. ) Bacteria in the wood. 



4. Remedies. 



[a. ) The knife and the saw. 



{b. ) When to cut. 



{c. ) Conditions favoring the disease. 



5. References to Literature. 



