In a stainless steel or enameled saucepan combine 1 cup water, 1/3 cup sugar, 8 whole allspice, 8 cloves and two 3-inch pieces of cinnamon stick and simmer the mixture for 10 minutes. Add 1 1/2 cups unsweetened pineapple juice, 1 cup each of grapefruit juice and orange juice, 1/4 cup lemon juice, and 4 jiggers (6 ounces) gin and heat the mixture but do not let it boil. Strain the punch into warmed mugs and garnish each drink with an orange slice. Yield: 4 drink