These fungi release their spores when hit by drops of rain, the escaping pores looking like puffs of smoke.
Two different puffball species for the price of one today.
Before it begins to fade, this toadstool is coloured a peculiar shade of green.
The specimen above was already beginning to get washed out and faded. Somewhat nearer the original shade is this one hiding in the grass.
And someone had helpfully kicked this one over, giving a clear view of the stem and the gills.