. A manual of the mosses of western Pennsylvania. Mosses. OF WESTERN PENNSYLVANIA PLATE Xll 387. Gymnostomum calcareum TRICHOSTOMUM CYLINDRICUM. 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 Jennings, Otto Emery, 1877-. Pittsburgh, Pa. , The Author, Press of the City Mission Publishing Company

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmosses, bookyear1913