. FiG. 33.—Apple leaf spot in late stage of development, showing concentric rings. Original. 5-15 mm. centrically marked. For treatment see page 100. 1 Notably by Hartly, Minnesota, and by Lewis, I. M., New Hampshire Agr. Exp. Sta. Rpt. 19-20, November, 1908. 2 Sheldon, J. L., Torreya, 8, 141, June, 1908.

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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1910, bookyear1910