Referring Clues

• Some are slippery
• Stately shaders
• "Desire Under the ___"
• They may be slippery
• Classic street liners
• Shade trees
• "The moan of doves in immemorial ___": Tennyson
• Shade providers
• Stately trees
• Popular street liners
• They line some old streets
• Tennyson's "immemorial ___"
• Colonnade trees
• O'Neill's "Desire Under the ___"
• Some blight victims
• Threatened flora
• New Haven, City of ___
• Stately stand
• Once-popular street liners
• Dutch disease victims
• "Rock'd the full-foliaged ___": Tennyson
• Stately shade trees
• The shady bunch?
• Trees in an O'Neill title
• Dutch ___ (uncommon sights nowadays)
• Shade sources
• Elegant shade trees
• Shady giants
• Landmark Newport mansion, with "the"
• Graceful shaders
• They're seen in many John Constable paintings
• "Slippery" trees
• Nine ___ (London district)
• Historic mansion in Newport, R.I., with "the"
• Classic Main Street liners
• Raw materials for shipbuilding
• End of an O'Neill title
• Shady group?
• Boulevard liners
• Certain shade trees
• Shady bunch
• Shady trees
• Oval-leafed trees
• Sherwood Forest sights
• Majestic shade trees
• Wahoo and hackberry, e.g.
• Cousins of zelkovas
• Bark beetle victims
• Hardwood trees
• Hardwood sources
• Zelkovas' relatives
• Street liners
• Colonnade choices
• Pennsylvania Avenue liners
• Big spreaders
• Tall trees
• Shady arbor, perhaps
• Backyard spreaders
• Colonnade lineup
• Stately 29 Down
• Shady group
• Sources of shade
• Promenade trees
• O'Neill title trees
• Hardwoods
• Street shaders
• Blighted shade trees
• Witch or slippery
• Some shade providers
• Bark beetle targets
• Some bark beetle targets
• "Desire Under the ___"
• Some street liners
• Some trees
• Some shade givers
• Slippery trees?
• Street-lining trees, sometimes
• Some shade trees
• Winged or slippery trees
• Colonnade lineup, sometimes
• Not oaks
• Spreading trees
• They are especially graceful when they leave?
• Oval-leaved trees
• Shady overhangs
• Wide-spreading trees
• Some backyard trees
• Samara-bearing trees
• Colonnade liners
• Troubled trees
• Stately shade providers
• Boulevard-lining trees, sometimes
• Shady bunch?
• O'Neill title flora
• A shady group
• Part of the New Haven landscape
• National Mall trees
• Leafy trees
• Troubled trees
• Slippery trees
• Flora in an O'Neill title
• National Mall liners
• The Liberty Tree and others
• Victims of a 20th-century blight
• State symbols of North Dakota and Massachusetts
• Picnic shaders
• National Mall shaders
• Massachusetts' state trees
• 'Desire Under the ___'
• Avenue liners
• New Haven flora
• Tall shade trees
• Trees in Gray's country churchyard
• Street prettifiers
• Some shady trees
• Avenue shaders
• Source of shade
• Endangered shade trees
• Group in many a park
• Boulevard border, perhaps
• Shady Main Street liners
• Big shade trees
• "'Neath the ___" (Yale song)
• Trees with split-resistant wood
• National Mall shade providers
• Classic trees on shady streets
• Chinese ___ (popular bonsai trees)
• Trees that may be slippery
• Colonnade trees, often
• Very common trees
• Thicket trees
• Street-lining trees
• Frequent features of John Constable landscapes
• Shapely shade trees
• State trees of North Dakota and Massachusetts
• Canopy components at the Mall in Central Park
• 'Desire Under the '
• Certain trees
• Massachusetts' College of Our Lady of the ___
• Suburban street liners
• They might line Main Street
• State symbols of Massachusetts and North Dakota
• Shade-providing trees
• O'Neill trees
• Sherwood Forest trees
• Stately hardwoods
• Sources for old wagon wheels
• Targets of some bark beetles
• Trees associated with the underworld in Celtic myth
• Lane trees
• Sources of hard or soft wood
• Trees along Pennsylvania Avenue
• Avenue trees
• Certain deciduous trees
• Trees that provide much shade
• A tall, shady bunch
• Slippery or winged trees
• Trees with ovate leaves
• Trees with oval leaves
• Common deciduous trees
• Common trees
• Majestic trees
• Trees on the National Mall
• Suburban trees
• Graceful trees
• Trees discovered in the Spanish manuscript
• Trees
• Towering trees
• They're in the Wilhelmstrasse, not the Unter den Linden
• The Spanish manuscript, possibly Dutch!
• Deciduous trees
• Classic avenue liners
• Trees near Central Park's Literary Walk
• "Desire Under the ___" (Eugene O'Neill play)
• Tennyson’s “immemorial” trees
• Furniture-wood sources
• Boston's Liberty Tree and others
• The Spanish girl grows trees
• Sturdy trees
• Trees that New Haven, Connecticut is known for
• Trees attacked by bark beetles
• Many trees
• Sources of log cabin logs
• Shady spreaders
• Growing source of a bit of a smell, possibly?
• Two state trees
• Pennsylvania Avenue trees
• Trees along many avenues
• Newport, R.I., estate that's a National Historic Landmark, with "the"
• "Silent Spring" bemoaned their spraying
• Trees devastated by a "Dutch" disease
• Stately shade sources
• Some common shady trees
• Trees that yield durable wood
• Boulevard liners, often
• They often throw shade
• Common shade trees
• Eugene O'Neill's "Desire Under the ___"
• Things that suffered a 20th-century blight
• Trees that line the National Mall
• Blighted trees
• Trees with coarse-grained wood
• Some tall, shady, sturdy trees
• Shade-giving 13-Acrosses
• Symbols of hope during the American and French Revolutions
• Stately street liners
• Some bark beetle victims
• Shade givers
• Common Central Park trees
• California : palms :: New England : ___
• Trees that might be attacked by beetles
• Some bonsai trees
• Classic boulevard liners
• Trees with a "rock" variety
• Trees that provide shade
• Shade trees with pointed oval leaves
• Shade plants
• Shade-giving trees
• Some beautiful shady trees
• Popular shade trees
• Trees with a David species
• Some street-lining trees
• Plantings lining the Literary Walk in Central Park
• Shady bunch?
• Trees targeted by leaf beetles
• Some stately trees
• Trees related to zelkovas
• Hardy shade trees
• Trees with a Chinese species
• Trees that canopy Central Park's Literary Walk
• Trees that orioles like
• Trees with helicopter seeds
• Many Central Park trees
• Trees with many streets named after them
• They form parallel lines along the National Mall
• Long-lived trees
• Shade providers at the National Mall
• Deciduous 26-Downs
• Shade trees on the National Mall
• State trees of Massachusetts
• Central Park trees
• Trees along the National Mall
• Symbols of wisdom