Sometimes things aren't what they seem. Most people think of couscous as a grain, but it isn't; it's pasta. Some consider buckwheat a grain; it isn't. It's the seed of a fruit completely unrelated to any kind of wheat. FYI: Wild rice isn't rice at all, but the seed of a native American grass. And while we're at it, next time a server tells you the choice of “vegetables” is corn or peas, remember that these are grain and legume, respectively.