Possible Clues:

• The Stooges, e.g.
• Horse meet (anag.)
• Temperature in houses upset forecaster crowd, perhaps
• Horse meet assembled for triangular event
• In book here's wicked little group
• Triad
• Rogue meets hero in group of musketeers, for example
• Home with trees arranged in small group
• The Fates, perhaps, met heroes grimly
• Perhaps Jerome's boatmen to her seem ridiculous