. The Canadian field-naturalist. . Figure 1. Large Yellow Lady's Slipper Cypripedmm Calceolus L. var. puhescens. (Willd.) Correll (Peloric form).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club

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