Possible Clues:

• To do with the countryside, or made of rough timber
• Of the country, bucolic
• Rural, country
• Such decay, I see, is never 29 down
• Snuffy Smith, for one
• Rural and simple
• What may happen to 29 across, I see, in the country
• It's rotten, I see, in the country
• Of the countryside and country folk
• To do with the countryside