. A monograph of the North American species of the genus Polygonum. Polygonum. Memoirs Department of Botany Columbia College. Vol, 1. Plate oooaaQGoa^^Q^iQ- LONG SECTION STEM OF POLYGONUM VIRGINIANUM LINNAEUS,. 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 Small, John Kunkel, 1869-1938. [Lancaster, Pa. , The New Era Print]

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Keywords: ., bookauthorsmalljoh, bookcentury1800, bookdecade1890, bookyear1895