. Bulletin of the Illinois State Laboratory of Natural History. Natural history -- Illinois. ... "^»s«.r+»- Pig. I. Growth Uabit of/'<'/<7/o5/t';««w pKrpureiim f. arenuriitm in the bimchgrass prairie, Waukeg'an, Illinois. August 13. l'» 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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Keywords: ., bookauthorillinoisstatelaborato, bookcentury1900, bookdecade1910