. Bulletin. Plant diseases -- United States. Bulletin No. 23. v. p. p. 76. U. S. DEPARTMENT OF AGRICULTURE, DIVISION OF VEGETABLE PHYSIOLOGY AND PATHOLOGY. B. T. GALLONA^AY, Chief. SPOT DISEASE OF THE VIOLET. Al 11 fitii ml lUdld' 11. sp. »v P. H. DORSETT, A-ssoeiate, Divi>sioii < .f Venetahle Physiolocjy and Pathology. ISSIIEP NOVEMBKR 2S, WASHINGTON: () <) \' !•; R N M I', NT 1' K I \ r I N (; () K l' UK. I 9 (J ( Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these i
. Bulletin. Plant diseases -- United States. Bulletin No. 23. v. p. p. 76. U. S. DEPARTMENT OF AGRICULTURE, DIVISION OF VEGETABLE PHYSIOLOGY AND PATHOLOGY. B. T. GALLONA^AY, Chief. SPOT DISEASE OF THE VIOLET. Al 11 fitii ml lUdld' 11. sp. »v P. H. DORSETT, A-ssoeiate, Divi>sioii < .f Venetahle Physiolocjy and Pathology. ISSIIEP NOVEMBKR 2S, WASHINGTON: () <) \' !•; R N M I', NT 1' K I \ r I N (; () K l' UK. I 9 (J ( 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. Division of Vegetable Physiology and Pathology. Washington : G. P. O.
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