Look up WHEAT on wikipedia, gives you some good information and you can go to the references section to read the material for yourself.
They ate it.....
Modern day wheat is nothing like the grass-like wild wheat of ancient times. It is only by modifying the wheat that we now have wheat ears a large as the now are - so producing much more flour.
Wheat & barley (but it was not the most popular-wheat was).
Barley & Wheat
wheat and barley
wheat.
wheat
papyrus, wheat, barely, emmer wheat, dates and flax
wheat
Grain and wheat
wheat and bread
They had wheat and barley.