In "Birches" The author uses the phrase. Shed crystal shells to describe what?

Answer 1

In "Birches," the phrase "shed crystal shells" is used by the author to describe the icy coating or covering that forms on tree branches when they are weighed down by ice or frost. This phrase creates the imagery of the branches being covered in a fragile, crystalline layer that eventually falls off as the branches bend and bounce back into position.