248 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



Insecticides. 

 Resin Lime Mixture. 

 5 lb. pulverised resin. 

 1 lb. concentrated lye. 

 1 pint fish or other animal oil. 

 5 gallons water. 



Place the oil, resin, and one gallon of hot water in an iron kettle and 

 heat till the resin softens, then add the lye and stir thoroughly ; now add 

 four gallons of hot water and boil till a little will mix with cold water and 

 give a clear amber- coloured liquid ; add water to make up five gallons. 

 Keep this as a stock solution. For use take — 



1 gallon stock solution. 



16 gallons water. 



3 gallons milk of lime. 



J lb. Paris green. 



The object of this preparation is to obtain an adhesive material which 

 will cause the poison to adhere to smooth leaves. It has been highly 

 recommended by the New York State (Geneva) Experimental Station. 



Lime, Salt, and Sulphur. 



{Oregon Formula.) 



50 lb. unslaked lime. 



50 lb. flowers of sulphur. 



50 lb. common salt. 

 Slake the lime in enough water to do it thoroughly ; add the sulphur 

 and boil for an hour at least, adding water if necessary. Then add the 

 salt and boil 15 minutes more. Add water to make 150 gallons and spray 

 hot through a coarse nozzle. 



Lime, Salt, and Sulphub. 



(Marlatt's Formula.) 



30 lb. unslaked lime. 

 30 lb. sulphur. 

 15 lb. salt, 

 60 gallons water. 

 Boil with steam for four hours and apply hot. 



Insect Powder. 

 (Pyrethrum.) 



Mix with half its bulk of flour and keep it in a tight can for 24 hours ; 

 then dust over the plants, or — 



100 grains insect powder. 



2 gallons water. 



Mix together and spray. 



Ivory Soap. 



1 bar ivory soap (10-cent size). 

 15 gallons water. 



Apply warm, as it thickens on cooling. Recommended for rose 

 mildew, red spider, plant lice, &c. — B. N. 



