Answer: ELM

AnswerCrossword Clue
ELMShipbuilding wood
ELMStreet name
ELMTree
ELMShade source
ELMSun blocker
ELMGraceful brancher
ELMShade provider
ELMBay State's official tree
ELMMassachusetts's state tree
ELMShade supplier
ELMHardwood provider
ELMBarrel material
ELMStreet tree
ELMNightmare street?
ELMSlippery tree
ELMWood used to make hockey sticks
ELMAmerica's Liberty Tree was one
ELMTree dubbed the "weed of Worcester"
ELMPlant dubbed "the Weed of Worcester"
ELMColonnade tree
elmlarge shade tree
ELMMEL in a tree?
ELMDeciduous tree
ELMMassachusetts state tree
ELMNightmare street
ELMNightmarish street
ELMSlippery ..
ELMSlippery tree?
ELM"A Nightmare On .. Street"
ELMDutch ... disease
ELMFreddy's street
ELM"Nightmare" street
ELMShady tree
ELMWych ..
ELMEndangered tree
ELMPopular street name
ELMShade tree
ELMBoston's Liberty Tree, e.g.
ELMSlippery ...
ELMStately tree