assemble the salad: Place endive on a serving plate. (A starburst pattern looks really nice.) Add a layer of jicama slices. Drizzle on some dressing, then sprinkle with fennel slices and arugula.
Arrange watercress on individual plates or on a large platter and top with sliced fennel. In small bowl ... Remove oranges from bowl and arrange on salad. Pour remaining juice from oranges ...