To dream of being signaled by a flag, denotes that you should be careful of your health and name, as both are threatened.
Flame.[72]
To dream of fighting flames, foretells that you will have to put forth your best efforts and energy if you are successful in amassing wealth.
[72] See Fire.
Flax.
To see flax in a dream, prosperous enterprises are denoted.
Flax Spinning.
Flax spinning, foretells you will be given to industrious and thrifty habits.
Fleas.
To dream of fleas, indicates that you will be provoked to anger and retaliation by the evil machinations of those close to you.