Wikipedia Article About Rye on Wikipedia
Rye (Secale cereale) is a grass grown extensively as a grain and forage crop. It is a member of the wheat tribe and is closely related to barley and wheat. Rye grain is used to make flour, feed, beer, some whiskies and most vodkas. It can also be eaten whole, either as boiled rye berries, or by being rolled, similar to rolled oats.