blackberry Pie

1 box of pillsbury uncooked pie crust ( or make your own- I have doen it both ways)
4 cups fresh blackberries
3 tablespoons all purpose flour
1 cup white sugar
1 tablespoon lemon juice
1 tablespoon butter

*preheat oven @ 450
*line a 9 inch pie pan with 1 on the pie dough crust. save other for top. let chill while preparing the blackberries
*combine blackberries, flour, sugar, and lemon juice. spoon mixture into pie shell and dot with the butter. cover with top pie crust and slash in several places
*bake for 15 mins, then reduce heat to 350 and continue baking for 35 mins or until browned.
Enjoy!!