Yes, the"Puff Ball," or Lycoperdon, is eatable, and makes a very delicious dish; but is not so good as"Tuber album," the great white truffle. That is an irregular mass, sometimes almost as large as a loaf of bread, and of just such a delicate brown on the top. When fit for eating the rind is cracked irregularly all over.. When that is taken off (don't eat a fungus which cannot be peeled easily) - the flesh is as white as snow and as tender as fresh curds. Should be steamed ten minutes, and them simmered in cream, or any sauce you like. Don't cut, but break it in flakes for cooking. It is only fit for use when the flesh is white. I have cooked puff balls in the same way.