Melissa BlockMelissa Block is a special correspondent and guest host of NPR's news programs.
M.C. Davis, former gambler and businessman, stands in his 54,000-acre preserve, Nokuse Plantation, in the Florida Panhandle. It's the largest privately owned conservation area in the southeastern United States.
Goodband compares these Knobbed Russets to shrunken heads. Others say potatoes or toads. They're all gnarled and warty and brown, but don't be intimidated: They taste great when ripe. They originated in Sussex, England, in 1819.