. A dictionary of the flowering plants and ferns. Botany. Floral diagrams (after Eichler). A, Rheum; B, Polygonum tataricum; C. Rumex; D. Polygonum lapathifolium. Bracts and bracteoles are omitted, and in C and D the axis also. Glands in B shaded. The asterisks represent missing sta. W. 34. 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 Willis, J. C. (John Christopher), 1868-1958. Cambridge [Eng. ] The University Press

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1919