Oh, the tension caused by wild plants! The birdsfoot trefoil (Lotus corniculatus) is a European legume that is desirable for cattle forage in North America. It grows … like a weed along our path. The little yellow flowers look like bonnets to me, and they are so small that they blend with the greenery that surrounds them.
Here’s a large patch of the low-growing flower. It’s also known as hop 0′ my thumb, cat’s claw, or devil’s claw.