'Barley' in the Bible

“There’s a boy here who has five barley loaves and two fish—but what are they for so many?”

So they collected them and filled 12 baskets with the pieces from the five barley loaves that were left over by those who had eaten.

Then I heard something like a voice among the four living creatures say, “A quart of wheat for a denarius, and three quarts of barley for a denarius—but do not harm the olive oil and the wine.”