in Thoreau’s Journal:

I love to see a man occasionally from whom the usnea will hang as naturally as from a spruce. Cultivation exterminates the pine, but preserves the elm. Our front yard evergreens are puny and trimmed up.

Heard a bluebird about a week ago.

There are very few phenomena which can be described indifferently as occurring at different seasons of the year, for they will occur with some essential difference.