Lots of these growing in a linear pattern, probably over an old decayed log.
Cranefly orchid blooming at Nottingham County Park.
The Crane-fly Orchid (Tipularia discolor) is a perennial terrestrial woodland orchid, a member of the Orchidaceae. It is the only species of the genus Tipularia found in North America. This orchid grows a single leaf in September that disappears in the spring. The leaf is green with dark purple spots. The orchid blooms in mid-July to late August. The roots are a connected series of corms. Its roots are edible. They are starchy and almost potato-like.