510 Appendix. 



PREPARATION. 



Dissolve the iron sulphate in 9 gallons of water ; slake the lime in a 

 little water, and then add more, so as to make it into a milk of lime ; 

 then run the milk of lime into the dissolved iron sulphate through a fine 

 sieve to strain off all grit ; then churn the paraffin into the iron sulphate 

 and lime, and finally add the caustic soda. 



USES. 



This wash acts as a great cleanser of the trees, removing moss, lichens, 

 algse, etc. It also kills the delicate ova of the mussel scale. 



TIME OF APPLICATION. 

 Any time between November and February. 



WOBURN WINTER WASH (B). 



FORMULA. 



Copper Sulphate. ..... IJ-lb. 



Lime . . . . . . ^ Ib. 



Paraffin (Solar distillate) .... 5 pints. 



Caustic Soda 2 Ibs. 



Water 10 galls. 



PREPARATION. 



Dissolve the copper sulphate in 8 or 9 gallons of water, slake the 

 lime in water and add to the dissolved copper sulphate, running it in 

 through a fine sieve to strain off all grit ; then add the paraffin and 

 churn, and then add the caustic soda and add any water to bring the 

 whole up to 10 gallons. 



USES. 



This wash acts as a cleanser of moss and lichens ; it also is fungicidal, 

 and is of value where apple scab occurs on the wood. The mussel scale 

 ova are also destroyed, and also oyster-shell bark lice. The copper 

 sulphate is not necessary except where apple scab occurs on the wood. 



TISIE OF APPLICATION. 

 Any time between November and February. 



