CONTENTS. 



I. Potato Scab. 

 II. Gum Disease, or Foot-rot of the Orange. 

 II L Parasitic Fungi of Missouri. 

 IV. Extracts from Correspondence: 



1. Remedies for apple scab. 



2. Apple rust. 



3. Bitter-rot of apples. 



4. Pear blight. 



5. Eemedy for black-rot of grapes. 

 G. Black-knot of the grape. 



7. Melon rust. 



8. Anthracuose of the bean. 



9. " Malarial germ." 



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