Sprinkle 2 teaspoons of flour over the blueberries.
Sift remaining flour with sugar, baking powder and salt. Stir in oats.
Blend eggs, shortening and banana.
Combine with dry ingredients. Stir in nuts. Fold in blueberries. Pour into greased and floured loaf pan.
Bake in 350 degree oven for one hour. Let cool 10 minutes. Remove from pan. Cool before slicing.