. Elements of botany. Plants. FERTILIZATION. 167 by hairs, h in IV, or by appendages, k in YI. Those flowers which have one or more sepals or petals prolonged into spurs, like the nasturtium and the columbine, are inaccessible to most insects except those which have a tongue, or a sucking-. FiG. 149. — Branching Hairs from the Outside of the Corolla of the Com- mon Mullein (magnified). dr, a gland. tube long enough to reach to the nectary at the bottom of the spur. The large sphinx moth, shown in Fig. 150, which is a common visitor to the flowers of the evening primrose, is an. Please note tha


. Elements of botany. Plants. FERTILIZATION. 167 by hairs, h in IV, or by appendages, k in YI. Those flowers which have one or more sepals or petals prolonged into spurs, like the nasturtium and the columbine, are inaccessible to most insects except those which have a tongue, or a sucking-. FiG. 149. — Branching Hairs from the Outside of the Corolla of the Com- mon Mullein (magnified). dr, a gland. tube long enough to reach to the nectary at the bottom of the spur. The large sphinx moth, shown in Fig. 150, which is a common visitor to the flowers of the evening primrose, is an. 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; Bergen, Joseph Y. (Joseph Young), 1851-1917. Bergen's Botany: key and flora, Pacific coast ed. Boston : Ginn


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectplants, bookyear1896