Of the orchid family (Orchidaceae), yellow lady’s slipper or Cypripedium parviflorum.
F. Schuyler Mathews Field Book of American Wild Flowers (New York, NY: G. P. Putnam's Sons, 1902)
1286×2400, 935.6 KiB
548×1024, 130.9 KiB
342×640, 58.4 KiB
171×320, 16.7 KiB