. On British wild flowers considered in relation to insects. Flowers; Fertilization of plants by insects; Plants. !â â "â â 87. Fig. 88. Fig. 89. Fig. 87.âFloret of Chrysanthemumpartheniumt just opened. Fig. 88.âDitto, somewhat more advanced. Fig. 89.âDitto, with the stigmas expanded. the flovi^er-head of the Chrysanthemum would dust its under-side with the pollen of the younger flowers, which then could not fail to be brought into contact with the stigmatic surfaces of the older ones. As the expansion of the flowers begins at the outside and thence extends to the centre, it is plain that
. On British wild flowers considered in relation to insects. Flowers; Fertilization of plants by insects; Plants. !â â "â â 87. Fig. 88. Fig. 89. Fig. 87.âFloret of Chrysanthemumpartheniumt just opened. Fig. 88.âDitto, somewhat more advanced. Fig. 89.âDitto, with the stigmas expanded. the flovi^er-head of the Chrysanthemum would dust its under-side with the pollen of the younger flowers, which then could not fail to be brought into contact with the stigmatic surfaces of the older ones. As the expansion of the flowers begins at the outside and thence extends to the centre, it is plain that the pollen. 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 Lubbock, John, Sir, 1834-1913. London, Macmillan and Co.
Size: 899px × 2781px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectflowers, booksubjectp