. The structure and development of crown gall : a plant cancer . Daisy I. Longitudinal section of petiole C, showing tumor-strand (p. 28). Bui. 255, Bureau of Plant Industry, U. S. Dept. of Agriculture Plate Daisy I. Continuation of Plate XVII, strand enlarging into a tumor (p. 28). Bui. 255, Bureau of Plant Industry, U. S. Dept. of Agricult. Plate XIX.

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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashi, bookyear1912