. Elements of botany. Botany; Botany. FERTILIZATION. 165 flowers. Irregular flowers probably always are more or less adapted to particular insect (or other) visitors. The adapta- tions are so numerous that many volumes could be filled with a description of them;—here only a very few of the simpler ones will be pointed out. Where there is a droop- ing lower petal (or, in the case of a gamopetalous corolla, a lower lip), this serves as a perch upon which flying in- sects may alight and stand while they explore the flower, as the beetle is doing in Tig. 146. In Fig. 147 one bumble-bee stands with
. Elements of botany. Botany; Botany. FERTILIZATION. 165 flowers. Irregular flowers probably always are more or less adapted to particular insect (or other) visitors. The adapta- tions are so numerous that many volumes could be filled with a description of them;—here only a very few of the simpler ones will be pointed out. Where there is a droop- ing lower petal (or, in the case of a gamopetalous corolla, a lower lip), this serves as a perch upon which flying in- sects may alight and stand while they explore the flower, as the beetle is doing in Tig. 146. In Fig. 147 one bumble-bee stands with his legs par- tially encircling the lower lip of the dead nettle flower, while another perches on the sort of grating made by the stamens of the horse-chestnut flower. The honey-bee entering the violet clings to the beautifully bearded portion of the two lateral petals, while it sucks the nectar from the spur Fig. 146.—a Beetle on the Flower of the TwayWade. (Enlarged four times.). 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: ., bookcentury1800, bookdecade1890, booksubjectbotany, bookyear1896
