Related Clues:

• Do some prestidigitation
• Red sky, to sailors
• Soothsayer's subject
• Oasis tree
• Mystical indicator
• Dark cloud, maybe
• Portentous signal
• Where to get a date
• Sign of a sort
• Florida tree
• Prognostication
• It's illegal to grease it
• Sign of what's to come
• Sign ... or a description of the answers to the six starred clues?
• Florida flora