Possible Clues:

• Sonnet part whose name consists of two palindromes
• Octave follower in a Petrarchan sonnet
• A few lines from the Home Counties that may stand
• Sonnet’s last six lines
• Sonnet conclusion
• Walt Whitman wrote one beginning 'Lo, 'tis autumn'
• Sonnet’s final lines
• Octave's follower in a Petrarchan sonnet
• Six-line verse
• Sonnet's conclusion