National Geographic : 1972 Jul
BUCCINUMUNDATUM,THREEINCHESHIGH High tide's signature, written across the rocks, sets an upper limit to the sea's bequest. Stepping cautiously, foragers probe pools for a snack, perhaps a snail such as the common northern whelk (above). RHODYMENIAPALMATA Morsel of dulse dries on a bed of acorn barnacles. When fresh, the seaweed tastes like a "salted rubber band." Dried, it can be chewed for a rich, sweet flavor.