. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. POLLEN FLOWERS 105 concerned with the production not only of good fruit but also of seeds capable of germination for the propagation of the stock. At the present time fig-trees are no longer produced from seeds, but from cuttings, so that caprification is superfluous. As already mentioned (pp. 64, 67-8), Hermann Miiller ('Alpenblumen,' pp. 479- 511) arranged entomophilous flowers in nine classes, and these must here be described at some length. I. Pollen Flo
. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. POLLEN FLOWERS 105 concerned with the production not only of good fruit but also of seeds capable of germination for the propagation of the stock. At the present time fig-trees are no longer produced from seeds, but from cuttings, so that caprification is superfluous. As already mentioned (pp. 64, 67-8), Hermann Miiller ('Alpenblumen,' pp. 479- 511) arranged entomophilous flowers in nine classes, and these must here be described at some length. I. Pollen Flowers (Po). These are flowers which oflfer only pollen to their visitors, as, e. g. in species of Anemone, Papaver, Hypericum, Helianthemum, Rosa, Solanum, Verbascum, and Sambucus. They are all very simple, regular in form (radially symmetrical), and their often very abundant pollen is usually freely exposed (Fig. 18). 1. 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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