1.   The mystique of gumbo probably derives from its tangled roots.

2.   The tangled roots of the tobacco negotiations stretch back more than two years.

3.   With tangled roots spanning six feet and trunks approaching three feet in diameter, the weathered relicts were of a size seldom found among living South Florida buttonwood.

4.   Huge mats of the gauzy purple blossoms and thickly tangled roots of water hyacinths are mushrooming along the shores of Lake Victoria, disrupting life for millions of people.