Related Clues:

• 'O Tannenbaum' subject
• Itch (for)
• Another eye part
• It contains 15-Across
• Have a yearning
• Woodsy odor
• 39-Down with cones
• Common Maine tree
• Yule tree choice
• Fir's cousin
• Lighted tree, maybe
• Image on many Oregon license plates
• Car freshener scent
• Evergreen sort
• Tear in distress, seen in one's eye