. Introduction to botany. Botany. 316 317 318 319 320 316, achene with hairy pappus (calyx) borne on a long beak; 317, achene with capillary pappus; 318, achene with pappus in the form of scales; 319, samara, winged all around; 320, double samara of maple;. 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 Stevens, William Chase, 1861-. Boston, D. C. Heath & Co.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1902