. Bergen's botany : key and flora : Northern and Central States Plants; Plants. ..anth \-M Fig. 24.—Bachelor's Button. I, a tubular flower (magnified); anth, tlie united anthers ; II, fruit (magnified); III, fruit, vertical section (magnified); IV, a neutral ray-flower ;i V, ring of Fig. 25. — Flower-cluster of Yarrow {Achillea Millefolium), enlarged. A, head seen from above ; B, longitudinal section ; re, receptacle ; ch, chaflf; i, involucre; r, ray-flowers ; rf, disk-flowers ; c, corolla; s, stigma. 1 This is not precisely homologous with the ray-flowers of Helianthus and mos

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. Bergen's botany : key and flora : Northern and Central States Plants; Plants. ..anth \-M Fig. 24.—Bachelor's Button. I, a tubular flower (magnified); anth, tlie united anthers ; II, fruit (magnified); III, fruit, vertical section (magnified); IV, a neutral ray-flower ;i V, ring of Fig. 25. — Flower-cluster of Yarrow {Achillea Millefolium), enlarged. A, head seen from above ; B, longitudinal section ; re, receptacle ; ch, chaflf; i, involucre; r, ray-flowers ; rf, disk-flowers ; c, corolla; s, stigma. 1 This is not precisely homologous with the ray-flowers of Helianthus and most rayed Compositae, but is an enlarged and conspicuous tubular 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 Bergen, Joseph Y. (Joseph Young), 1851-1917. Boston : Ginn

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplants, bookyear1901