'Barley' in the Bible

"There is a boy here who has five barley loaves and two fish, but what are these among so many?"

So they gathered them up, and filled twelve baskets with broken pieces from the five barley loaves, which were left over by those who had eaten.

I heard a voice in the midst of the four living creatures saying, "A choenix of wheat for a denarius, and three choenix of barley for a denarius! Don't damage the oil and the wine!"