Blueberry Or Huckleberry Jam

4 1/2 c Berries

1 Bottle fruit pectin

7 c Sugar

1 Lemon

Wash fruit thoroughly. Crush. Add lemon juice. Add grated rind of 1/2 lemon. Add sugar. Mix thoroughly. Heat rapidly to full rolling boil. Stir constantly before and while boiling. Boil hard 2 minutes. Remove from fire and stir in fruit pectin. Skim. The Household Searchlight