I was out deadheading—I tend to deadhead while I am drinking my second cup of coffee. It’s a good way to allow the tasks of the day to get themselves in order while you do something mindless, but the curly bits sticking out from the geraniums, Geranium maculatum—the cranesbills—got my attention.
Here’s what I found.

What a hoot. As the cranesbills dry out, the outside face curls up and flings the seed out of those little cups into the world. That explains how they arrived in my yard—they really did jump ship.