. A monograph of the North American species of the genus Polygonum. Polygonum. Memoirs Department of Botany Columbia College, Vol. 1. Plate POLYGONUM HYDROPIPER 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