. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. Fig. 31. Lonicera alpigena, L., a Wasp Flower. shape of which corresponds in a remarkable way with the form of the labellum. Sprengel (' Entd. Geh.,' p. 409) long since observed this beetle as a pollinator of Listera ovata in Brandenburg. Hermann Muller (' Fertilisation,' p. 530) repeated the observation 80 years later in Westphalia. Sprengel also observed numerous. Fig 32. Cotoneaster vulgaris, Lindl, a Wasp Flower. Darwin, Muller, Ichneumons with adherent
. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. Fig. 31. Lonicera alpigena, L., a Wasp Flower. shape of which corresponds in a remarkable way with the form of the labellum. Sprengel (' Entd. Geh.,' p. 409) long since observed this beetle as a pollinator of Listera ovata in Brandenburg. Hermann Muller (' Fertilisation,' p. 530) repeated the observation 80 years later in Westphalia. Sprengel also observed numerous. Fig 32. Cotoneaster vulgaris, Lindl, a Wasp Flower. Darwin, Muller, Ichneumons with adherent pollinia on the flowers in question, and MacLeod confirmed his observation. If. therefore, Listera ovata is to be regarded as an Ichneumon flower, the same may hold true for L. cordata, which grows in the shade of sub-alpine woods, for it. 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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