Now when the nights are cool and the moon is dark, those giant puffball mushrooms swell in the woods, getting so big... September fogs, the sliding sun, and one of the most radical weather shifts so far in the season, calls them up from the ground. As the day moves to within a few degrees of equinox, other creatures tell the time as well as puffballs. The rich scent of late summer pollen is almost gone by end of the week, replaced by the bittersweet odor of fallen apples and leaves. Cicadas are