Walking home through Howard’s lane, the speaker moves through a rain-soaked world: bent trees, low mist, and a coat powdered gray with drops. Everything feels damp, dim, and quiet. Then she looks into the woods and sees the white birch tree. Its pale limbs make such a bright spot in the air that she briefly believes the sun is shining there, even though the sky is overcast.
The moment registers a small lift in a gray afternoon. The birch stands out like a quiet burst of light, pulling her attention away from the wet path and creating a mood that shifts from subdued to almost hopeful. It suggests that on gloomy days, certain bright things in nature can feel like their own kind of sunshine.