. Bulletin of the Illinois State Laboratory of Natural History. Natural history -- Illinois. XX. yg Wi^ ^^^%if^ •^ ^ ^ ' \ Fig. 1. Populus Dllalnta spreadbig by suckers over the blow sand into the blowout. Jajnesii s^owi^ in ahinidance in the rij^ht foreground.— I'non the Popvlus are Metnrhroma paralieluiri anti .1/. angustulum. Cristatella. Fig. 2. A dune has invaded a wahiut grovn. I he ground ctner on the ^loi^t .shaded sand is mainly Solaniitn nigrum and Sicuos nugulaUtn.^ViH\^r Ioks are Ischnoptera incrqualis, Udeopsyllu Tobusta, Panga'Ud, Please note that these images are extracted


. Bulletin of the Illinois State Laboratory of Natural History. Natural history -- Illinois. XX. yg Wi^ ^^^%if^ •^ ^ ^ ' \ Fig. 1. Populus Dllalnta spreadbig by suckers over the blow sand into the blowout. Jajnesii s^owi^ in ahinidance in the rij^ht foreground.— I'non the Popvlus are Metnrhroma paralieluiri anti .1/. angustulum. Cristatella. Fig. 2. A dune has invaded a wahiut grovn. I he ground ctner on the ^loi^t .shaded sand is mainly Solaniitn nigrum and Sicuos nugulaUtn.^ViH\^r Ioks are Ischnoptera incrqualis, Udeopsyllu Tobusta, Panga'Ud, 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 Illinois State Laboratory of Natural History. Bloomington, Ill. : The Laboratory


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