Reference

Exodus 9:30

But as for thee and thy servants, I know that ye will not yet fear the Lord God.
28

Intreat the Lord (for it is enough) that there be no more mighty thunderings and hail; and I will let you go, and ye shall stay no longer.

29

And Moses said unto him, As soon as I am gone out of the city, I will spread abroad my hands unto the Lord; and the thunder shall cease, neither shall there be any more hail; that thou mayest know how that the earth is the Lord’s.

30

But as for thee and thy servants, I know that ye will not yet fear the Lord God.

31

And the flax and the barley was smitten: for the barley was in the ear, and the flax was bolled.

32

But the wheat and the rie were not smitten: for they were not grown up.