This photo of Cow or Bird Vetch [Vicia cracca] was taken on Singletree Road on 19 May 2013. It’s a member of the Bean or Pea (Fabaceae) family, and Newcomb’s Wildflower Guide, pages 112-113, says it can be identified by “dense, one-sided racemes” of flowers. USDA Plants Listing: https://plants.usda.gov/home/plantProfile?symbol=VICR
