. British ferns and their varieties. Ferns. XLIV POLYPODIUM VULGARE, Var. CONGESTUM (PrESTONII). 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 Druery, Chas. T. (Charles Thomas), 1843-1917. London : G. Routledge and Sons, Limted ; New York : E. P. Dutton and Co.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectferns, bookyear1912