. On British wild flowers considered in relation to insects. Flowers; Fertilization of plants by insects; Plants. Fig. 60.—Flower of Polygala vulgaris. Fig. 61.—Section of ditto. while near the upper end are two groups of finger- like lobes. The pistil (Fig. 61 st) occupies the axis of the flower, and ends in a spoon-shaped stigma. Close behind the stigma is a projection which termi- nates in a very viscid disk. When the proboscis of an insect is forced down the tube in search of honey, it comes in contact with this viscid disk, and being thus rendered adhesive, when it is withdrawn carries so
. On British wild flowers considered in relation to insects. Flowers; Fertilization of plants by insects; Plants. Fig. 60.—Flower of Polygala vulgaris. Fig. 61.—Section of ditto. while near the upper end are two groups of finger- like lobes. The pistil (Fig. 61 st) occupies the axis of the flower, and ends in a spoon-shaped stigma. Close behind the stigma is a projection which termi- nates in a very viscid disk. When the proboscis of an insect is forced down the tube in search of honey, it comes in contact with this viscid disk, and being thus rendered adhesive, when it is withdrawn carries some of the pollen with it, and thus conveys it to. 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.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectflowers, booksubjectp
