Combine peaches and blueberries.

Combine sugar, tapioca and salt. Add to peach mixture. Stir gently to mix well.

Sprinkle lemon juice over fruit and toss lightly to mix. Place in bottom crust.

Cut butter in small pieces and place over fruit.

Add top crust. Cut slits in top of crust to vent.

Bake at 450 degrees for 10 minutes.

Reduce to 350 degrees and bake for 30-45 minutes or until lightly browned.