-dried, and torn into bite-size pieces Rinse the wild rice in a strainer under cold running water. Put in a medium size-bowl and pour on boiling water to cover. Let soak for 30 minutes, then drain thoroughly. Rinse the brown rice in a strainer and put in a medium-size saucepan along with the drained wild rice, 3 cups of water, oil and salt. Cover and bring to a boil. Reduce the heat to a simmer andcook until all of theliquid is absorbed, about 45 minutes. Do not stir rice at any time. When done, put in a large bowl and chill until very cold, about 2 hours. When the rice is cold add the artichoke, pepper, scallions adn carrot, and toss well. To make the marinade combine all of the dressing ingredients in a jar with a tight-fitting lid and shake vigorously. Pour over the salad andtoss well. Chil for 2 hours or up to 24 hours. To serve, arrange equal portions of letuce on 4 large plates and mound on the rice salad.