Related Clues:

• Stately shaders
• Druidic worship sites
• Twelve ___
• They may be slippery
• Acorn sources
• Classic street liners
• Annual horse race, with 'The'
• ''Neath the ___' (Wellesley school song)
• 'Desire Under the ___'
• Slow-growing trees
• Shade trees
• 'The moan of doves in immemorial ___': Tennyson
• Dumbarton ___ (D.C. estate)
• Pacific ___ College
• Boulevard border, perhaps