. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. INTRODUCTION of certain insects, one must at the same time find it not improbable that there should be some provision for preventing this nectar from being spoiled by rain, and that these hairs may have been placed here for the attainment of this purpose. ... In the following summer I investigated the forget-me-not {Myosoiis palustris). I found not only that this flower has nectar, but also that the nectar is completely protected against rain. At the same ti


. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. INTRODUCTION of certain insects, one must at the same time find it not improbable that there should be some provision for preventing this nectar from being spoiled by rain, and that these hairs may have been placed here for the attainment of this purpose. ... In the following summer I investigated the forget-me-not {Myosoiis palustris). I found not only that this flower has nectar, but also that the nectar is completely protected against rain. At the same time, however, I was struck by the yellow ring, which surrounds the opening of the corolla tube, and which is so beautifully conspicuous. Fig. 1. Reduced title-page of Sprengcrs book, taken from the edition edited by Knuth (in ' Klassiker der exakten Naturwissenschaften/ vols, xlviii-ii). against the sky-blue colour of the limb. Might not, I thought, this circumstance also have some reference to insects ? Might not Nature have specially coloured this ring, to the end that it might show insects the way to the nectar reservoir? With this hypothesis in view, I examined other flowers, and found that most of them confirmed it. For I saw that flowers, in which part of the corolla is diiferently coloured from the rest, always have spots, figures, lines, or dots of peculiar hue just where the entrance to the nectar reservoir is situated. I now. 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 Knuth, Paul, 1854-1899; Knuth, Paul, 1854-1899; Mu?ller, Hermann, 1829-1883; Ainsworth Davis, J. R. (James Richard), 1861-1934. Oxford : Clarendon Press


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