. Dutch elm disease, Graphium ulmi. Dutch elm disease; Elm. CLONIC s Bulletin 389 October, 1936 DUTCH ELM DISEASE Graphium ulmi G. P. Clinton and Florence A. McCormick. (&tmmrtxtut Stem Sfauett. 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 Clinton, G. P. (George Perkins), 1867-1937; McCormick, Florence A. (Florence Anna). New Haven : Connecticut Agricultural Experiment Station

---

Size: 1589px × 1573px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookpublishernewhavenconnecticutagriculturalex