. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. SCROPHULARINEAE 219 its proboscis and effect crossing; and somewhat .below this a ' humble-bee door' which plays the same part as regards humble-bees. Kerner (' Nat. Hist. PI.,' Eng. Ed. i, II, p. 366) describes the stigma as at first projecting beyond the anthers, so that cross-pollination is effected by insect-visits. Should these fail, the corolla elongates, pushing the epipetalous stamens forward,. Fig. 314. Rhinanthus major, Ehrh., var. hirsutus. All. (
. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. SCROPHULARINEAE 219 its proboscis and effect crossing; and somewhat .below this a ' humble-bee door' which plays the same part as regards humble-bees. Kerner (' Nat. Hist. PI.,' Eng. Ed. i, II, p. 366) describes the stigma as at first projecting beyond the anthers, so that cross-pollination is effected by insect-visits. Should these fail, the corolla elongates, pushing the epipetalous stamens forward,. Fig. 314. Rhinanthus major, Ehrh., var. hirsutus. All. (after Herm. Mttller). A. Flower after removal of the calyx, in longitudinal section. B. Uppermost part of the flower, after removal of the right half of the corolla, seen from the right side. C. Upper part of a flower, seen from the front. D. Do., after removal of lower lip (x 3i). hth, humble-bee door; fth, Lepidopterid door; «, nectary ; ov, ovary; j/, stigma. while the stigma remains in its original position. It follows that pollen which has fallen out of the flaccid receptacles and remains clinging to the anther-hairs or the inwardly projecting folds of the corolla will be transferred to the stigma. Visitors.—Herm. Miiller observed 2 Lepidoptera and 6 humble-bees, Bombus mastrucatus Gerst., among the latter perforating the flowers and stealing nectar. 2i6g. R. angustifolius C. C. Gmel. (=R. alpinus Koch). (Herm. Miiller, ' Alpenblumen'; Kerner, ' Nat. Hist. PI.,' Eng. Ed. i, II, pp. 273, 366.)—This species 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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