. British plants : their biology and ecology. Plants; Plant ecology. REPRODUCTION BY SEED 169 marigold, rockrose, St. John's - wort, the sweet-scented spiraea, broom, and gorse. The first entomophilous flowers must all have been pollen-flowers. With the arrival of honey, an additional food was offered, and great economy was effected in the production of pollen. 2. Honey-Flowers, which secrete honey or nectar. Honey is a fluid rich in sugar secreted by special glands— nectaries—which may occur on almost any part of the flower. It is usually, however, secreted by a definite tissue belonging to t
. British plants : their biology and ecology. Plants; Plant ecology. REPRODUCTION BY SEED 169 marigold, rockrose, St. John's - wort, the sweet-scented spiraea, broom, and gorse. The first entomophilous flowers must all have been pollen-flowers. With the arrival of honey, an additional food was offered, and great economy was effected in the production of pollen. 2. Honey-Flowers, which secrete honey or nectar. Honey is a fluid rich in sugar secreted by special glands— nectaries—which may occur on almost any part of the flower. It is usually, however, secreted by a definite tissue belonging to the receptacle at the base of the ovary—, convolvulus (Fig. 67)—or the stamens—. 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 Bevis, James Frederick; Jeffery, Henry John. London : A. Rivers
Size: 1527px × 1637px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisher, booksubjectplants
