. Essentials of botany. Botany; Botany. ECOLOGY OF FLOWERS; POLLINATION 173 206. Protection of Pollen from Unwelcome Visitors It is usually desirable for the flower to prevent the entrance of small creeping insects, such as ants, which carry little pollen and eat a relatively large amount of it. The means adopted to secure this result are many and curious. In some plants, as the common catchfly, there is a sticky. Pig. 129. Bees visiting Flowers. At the left, a bumblebee on the flower of the dead nettle; below, a similar bee in the flower of the horse-chestnut; above, a, honey-bee in the flowe
. Essentials of botany. Botany; Botany. ECOLOGY OF FLOWERS; POLLINATION 173 206. Protection of Pollen from Unwelcome Visitors It is usually desirable for the flower to prevent the entrance of small creeping insects, such as ants, which carry little pollen and eat a relatively large amount of it. The means adopted to secure this result are many and curious. In some plants, as the common catchfly, there is a sticky. Pig. 129. Bees visiting Flowers. At the left, a bumblebee on the flower of the dead nettle; below, a similar bee in the flower of the horse-chestnut; above, a, honey-bee in the flower of a violet. ring about the peduncle, some distance below the flowers, and this forms an effectual barrier against ants and like insects. Very frequently the calyx tube is covered with hairs, which are sometimes sticky. Sometimes the recurved petals or divisions of the corolla stand in the way of creeping insects. In other cases the throat of the corolla is much narrowed or closed by hairs. 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, booksubjectbotany, bookyear1908
