Fireflies

June 3.

The nepeta by Deacon Brown's, a pretty blue flower. 

It has been a sultry day, and a slight thunder-shower, and now I see fireflies in the meadows at evening.

H. D. Thoreau, Journal, June 3, 1852

A slight thunder-shower, and now I see fireflies in the meadows at evening. See June 7, 1854 ("This muggy evening I see fireflies, the first I have seen . . .”); June 7, 1858 (“ Fireflies pretty numerous over the river, though we have had no thunder-showers of late.”)