. The fern allies of North America north of Mexico. Pteridophyta; Botany. SMOOTH SCOURING-RUSH. Equisetum kn' 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 Clute, Willard Nelson, b. 1869. New York, F. A. Stokes

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1905