. Bulletin. Agriculture. Bui. 32. Bureau of Plint Industry. U. S Oept of Agncultura Plate CROSS SECTION OF DISEASED TRUNK OF WHITE ASH KEPT IN A MOIST PLACE FOR SEVERAL WEEKS (SHOWING GROWTH OF MYCELIUM FROM THE ROTTED PART.). 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 United States. Bureau of Plant Industry. Washington : G. P. O.

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