Thoreau writes in his journal:
Erigeron Canadensis, some time. Alisma mostly gone to seed. Tboroughwort, several days. Pentliorum, a good while. Trichostema has now for some time been springing up in the fields, giving out its aromatic scent when bruised, and I see one ready to open.
For a morning or two I have noticed dense crowds of little tender whitish parasol toadstools, one inch or more in diameter, and two inches high or more, with simple plaited wheels, about the pump platform; first fruit of this dog-day weather . . .
As I am going across to Bear Garden Hill, I see much white Polygala sanguinea with the red in A. Wheeler’s meadow (next to Potter’s) . . .
As I look out through the woods westward there, I see, sleeping and gleaming through the stagnant, misty, glaucous dog-day air, i.e. blue mist, the smooth silvery surface of Fair Haven Pond. There is a singular charm about it in this setting. The surface has a dull, gleaming polish on it, though draped in this glaucous mist . . .