Wild Food Foraging: Apples, Chufa, Grapes and Wild Rice

James E. Churchill writes about wild foraging for apples, chufa, grapes and wild rice.

Wild grapes
While gathering May apples you might now and then notice a gleam of blue from vines that twine overhead around the branches of trees. Investigate these blue flashes. They will probably turn out to be wild grapes, a food so good that the Vikings named our entire continent Vinland after eating some.