I spotted a Geranium

Wild Geranium (Geranium maculatum), a.k.a., Spotted Geranium or Wood Geranium. This one has a little fly trying to hog its way into the picture. According to this site, wild geranium can be used as a salad green. It can also be used to treat dysentery and diarrhea. It also acts as a blood coagulant.