Thoreau writes in his journal:
Famous place for tanagers. Considerable fog on river. Few sights more exhilarating than one of these banks of fog lying along a stream. The linnæa just out. Corydalis glauca, a delicate glaucous plant rarely met with, with delicate flesh-colored and yellow flowers, covered with a glaucous bloom, on dry, rocky hills. Perhaps it suggests gentility . . .
P.M.—To Conantum by boat.
The Potamogeton [a blank space] out two or three days, probably. The small primrose out at Hubbard’s Swimming-Place, drooping at top like a smilacina’s leaves. Blue-eyed grass now begins to give that slatyblue tint to meadows. A breezy day, a June wind showing the under sides of leaves. The now red round white lily pads are now very numerous and conspicuous, red more or less on both sides and, with the yellow ‘lily pads, turned up by the wind. In ‘May and June we have breezes which, for the most part, are not too cold but exhilarating . . .