1) American linden 2) Hive location 3) Place of honey cache 
A bee tree is a tree in which a colony of honey bees makes its home. A colony of bees may live in a bee tree for many years. Most bee trees have a large inner hollow, often with an upper and lower entrance. Colonies in trees have fixed comb, so inspection and management is impossible, as is most harvesting without destroying the colony. A beekeepe...
a tree with one of more hollows occupied by a colony of bees.
A hollow tree occupied by a feral colony of bees.
a hollow tree used by wild bees as a hive, esp. the basswood or American linden.