Description: English: Fig. 20. Pyrola americana Sweet - American wintergreen. Date: 1918. Source: Wild Flowers of New York Part 2, Figure 20, University of the State of New York, State Museum, Albany. Author: Homer D. House, New York State Botanist. Walter B. Starr of the Matthews-Northrup Company, Buffalo, and Harold H. Snyder of the Zeese-Wilkinson Company, New York, photographers.