f>0 BOARD OF AGRICULTURE. 



2. Describe as minutely as possible the diseased appearance, com- 

 mencing with tbe date of its first discovery, and note the changes which 

 occur in its progress. 



3. lias the diseased variety been long cultivated, or is it of recent 

 introduction? 



4. Is it a plant of slow or rapid growth.? 



5. What is the character of the soil in which it grew, and your method 

 of cultivating it? 



6. Is the extent of the disease sufficient to excite any immediate 

 anxiety as to its effect upon the value of the crop ? 



7. Have you met with the same disease or diseases before, and if so, 

 have they increased in extent ? 



8. Do any of your fruit trees exhibit symptoms of disease. If so, 

 name them, and describe the diseased appearances? 



9. Do such varieties of your trees as grow spontaneously in unculti- 

 vated ground show as much tendency to become diseased as those which 

 are more carefully cultivated ? 



10. Have your trees, after being attacked by disease, recovered a 

 healthy condition, or does the disease tend to the death of the tree ? 



11. Have you employed any special means to prevent or cure diseases 

 of vegetation ? If so, state what has been used, for what disease, and 

 with what result ? 



12. Have you, by careful examination of the various parts of the 

 unhealthy plant, as the root, the collar, the bark, the leaves, &c, been 

 able to discover any insects which might have been the cause of the 

 disease ? 



Special questions upon the potato : 



1 . "What varieties of the potato do you cultivate ? 



2. How long have you known them ? 



?>. Have any of them become diseased, and if so, which ? 



4. Please state your usual method of manuring and cultivation. 



5. Have potatoes, manured in the hill upon your farm, been more 

 liable to disease than those manured otherwise ? 



6. Have those to which you have applied barn cellar manure decayed 

 more than those to which you applied other manures? 



7. What manure has been followed by the least decay'' 



8. Other circumstances being the same, do you meet with diseased 

 potatoes more often in moist land than in that which is dry? 



John C. Baetlett, 

 William G. Lewis, 

 William S. Clark, 



Committee of the Board. 

 Boston, March 1, 1859. 



