Related Clues:

• New Haven's arboreous nickname, "___ City"
• Slippery -- tree
• Ornamental shade tree
• American __, Massachusetts state tree
• Tree of a kind
• Gypsy moth target
• Suburban street adornment
• Word with red, white or rock
• Bark beetle's victim
• '... as old as yonder ___': James Joyce
• Avenue planting
• ____ Creek, Manitoba
• Common street or tree name
• Boston's Liberty Tree was one
• Dutch ___ disease