Roadside litter -- second of a series

winged key from Norway Maple- found on 72nd transverse near 5th Ave
photo: M. Winn

The elm seeds that were littering the sides of the roads everywhere in Central Park are almost gone. Now there are many many of these to be seen, the winged keys of the Norway Maple. The wings of the Norway Maple point away from one another. Wings of other maple species point downwards.