# over Jonah so that it might be a shade over his head

"over Jonah's head for shade"

# to relieve his distress

"to protect Jonah from the heat of the sun"

# But God prepared a worm

"God sent a worm"

# It attacked the plant

"The worm chewed the plant"

# the plant withered

The plant became dry and died. AT: "the plant died"