A text-book of grasses with especial reference to the economic species of the United States . A TEXT-BOOK OFGRASSES WITH ESPECIAL REFERENCE TO THE ECONOMIC SPECIES OF THE UNITED STATES BY A:^ ^HITCHCOCK 8T8TEMATIC AGROSTOLOGIST, UNITED STATES DEPARTMENT OF AGRICULTURE, WASHINGTON, D. C.; FORMERLY PROFESSOR OF BOTANY IN THE KANSAS STATE AGRICULTURAL COLLEGEtextbookofgrasse00hitc
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Keywords: ., bookauthorhi, bookcentury1900, bookdecade1910, booksubjectgrasses