Barley Turkey Soup

Name: Barley Turkey Soup
Ingredients: 2 quarts chicken broth; 1 1/2 cups diced celery; 1 cup medium pearl barley; 1 medium onion, diced; 3/4 cup diced carrots; 1/4 teaspoon salt; 1/2 teaspoon dried thyme; 1 bay leaf; 1/8 teaspoon ground allspice; 1/8 teaspoon pepper; dash cayenne pepper; 2 cups cubed cooked turkey; 1/4 cup minced fresh parsley