Related Clues:

• Romans' caviar
• They grow when fertilized
• 57-Across, to Brutus
• In vitro items, perhaps
• Ovoid objects
• Cato's eggs
• Old eggs?
• Fertility clinic stock
• Eggs, to a biologist
• Would-be chicks
• Basic seeds
• Breakfast of centurions?
• Plant gametes, e.g.
• Eggs, zoologically
• Eggs, to Augustus