6 POTASSIUM SULFID. 



Potassium sulfid, 3 ounces. 

 Water, 10 gallons. 

 Valuable for gooseberry mildews, etc. 



7 CORROSIVE SUBLIMATE. 



{For Potato Scab.) 



Corrosive sublimate, 2 ounces. 

 Water, 15 gallons. 



Dissolve the corrosive sublimate in 2 gallons of hot water, then 

 dilute to 15 gallons, allowing the same to stand 5 or 6 hours, during 

 which time thoroughly agitate the solution several times. Place the 

 seed potatoes in a sack and immerse in the solution for 132 hours. 

 Dry before planting. 



Corrosive sublimate is very poisonous, consequently care should 

 be taken in handling it, and the treated potatoes should not be kept 

 within reach of stock. The solution should not be made in metallic 

 vessels. 



8 FORMALIN. 



{For Potato Scab.) 

 Formalin (40 per cent solution), 8 ounces. 

 Water, 15 gallons. 



Used for the same purpose as corrosive sublimate, but not poison- 

 ous. Immerse the seed potatoes for 2 hours and spread out to dry 

 before planting. 



INSECTICIDES. 



STOMACH POISONS. 



9 PARIS GREEN.— DRY. 



Paris green, i pound. 

 Flour, 20 to 50 pounds. 

 Mix thoroughly and apply evenly ; preferably when dew is on the 

 plants. 



