Pumpkin Pie

1 cup sugar1/4 cup flourfew grains of salt1 cup water3 egg yolks2 tbsp. butter or margarine1/4 cup lemon juice2 tsp. grated lemon rind9″ baked pastry shell Mix sugar, flour, salt and one fourth cup water until smooth. Beat egg yolks, add 3/4 cup more water. Cook over bot water, stirring constantly, until thick. Cover. Cook…