Wilma's Creme de Menthe Cake

1 package white cake mix

4 eggs

1 package vanilla instant pudding (small)

1/2 c. orange juice

1/2 c. vegetable oil

1/4 c. water

1/4 c. green creme de menthe

5 oz. chocolate syrup

Grease and flour bundt pan.  Combine all ingredients except chocolate sauce.  Mix 4 minutes.  Pour 3/4 batter into bundt pan.  Mix chocolate syrup into remaining batter and mix well.  Pour chocolate batter on top of green batter.  DO NOT MIX.  Bake at 350 for 45-50 minutes.  Cool about 20 minutes.  Remove from pan.  When completely cooled, sprinkle with powdered sugar.