leaf slime and leaf sludge — appearing in a NYT story on the autumnal travails of the Metro-North Railroad, “The Dirty Side to Changing Leaves: Leaf Slime on the Region’s Rails” by Jonathan Wolfe (on-line on the 22nd; in print, “On Train Tracks, a Hazard Born of Autumn’s Beauty” on the 23rd). The beginning of … Continue reading The leafy N + N compounds of fall