Cabbage Barley Soup

Name: Cabbage Barley Soup
Ingredients: 1 cup dried brown lentils, rinsed; 1/2 cup medium pearl barley; 3 medium carrots, chopped; 2 celery ribs, chopped; 1/2 teaspoon poultry seasoning; 1/4 teaspoon pepper; 1 bottle (46 ounces) V8 juice; 4 cups water; 8 cups shredded cabbage (about 16 ounces); 1/2 pound sliced fresh mushrooms; 3/4 teaspoon salt