Related Clues:

• Trees attacked by bark beetles
• Many trees
• Some shady sources for the foreign manuscript
• Sources of log cabin logs
• Shady spreaders
• Pennsylvania Avenue trees
• Two state trees
• Trees along many avenues
• They give shade
• Newport, R.I., estate that's a National Historic Landmark, with 'the'
• ''Silent Spring'' bemoaned their spraying
• Trees devastated by a 'Dutch' disease
• Trees devastated by a "Dutch" disease
• Stately shade sources
• The foreign manuscript produced by a number of shady types