. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. 446 ANGIOSPERMAE—MONOCOTYLEDONES in the garden of the Oberrealschule in Kiel. Even the honey-bee and Bombus terrester L. 5, which visited the adjacent flowers of other plants busily sucking and collecting pollen, despised the odourless ones of this lily. In its native countries (China and Japan) it may be pollinated by diurnal hawk-moths. 2728. L. auratum Lindl.— Stadler ('Beitrage') states that the flowers of this species are protogynous, and adapted for po
. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. 446 ANGIOSPERMAE—MONOCOTYLEDONES in the garden of the Oberrealschule in Kiel. Even the honey-bee and Bombus terrester L. 5, which visited the adjacent flowers of other plants busily sucking and collecting pollen, despised the odourless ones of this lily. In its native countries (China and Japan) it may be pollinated by diurnal hawk-moths. 2728. L. auratum Lindl.— Stadler ('Beitrage') states that the flowers of this species are protogynous, and adapted for pollination by crepuscular and diurnal Lepidoptera. 2729. L. philadelphicum L. ( = L. umbellatum PursK).— Stadler (op. cit.) says that this species agrees with L. bulbiferum L., and L. Martagon Z. as regards the structure of its nectaries. 875. Lloydia Salisb. Protandrous flowers with exposed Fig. 398. Lloydia alpina, Salisb. (after Herm. MUlIer). /T. Partly dissected flower (x 5). B. Base of a perianth leaf, with its nectary (X 7). a, anthers; rf, dark-yellow swelling ; ;z, nectary with its secretion; of, ovary ; po, pollen ; st^ stigma. 2730. L. alpina Salisb. (= L. serotina Sweet). (Ricca, Atti Soc. ital. sc. nat., Milano, xiii, r87o; Herm. Miiller, ' Alpen- blumen,' pp. 43-5.)—The flowers of this species are adapted for pollination by flies. Hermann Miiller describes them as feebly, Ricca as markedly, protandrous, and therefore favourable to cross- pollination by insect-visits. Nectar is secreted by a thick ridge at the base of each perianth leaf, and is accessible to short-tongued insects. Automatic self-pollination takes place now and then. Visitors. — Herm. Miiller (Alps) observed 7 Diptera, a beetle, and 3 short-tongued Hy- menoptera. 876. Erythronium L. Bee and lepidopterid flowers. 2731. E. Dens canis L. (Calloni, Malpighia, Messina, i, 1886-7, PP- 14-19; Kerner, 'Nat. Hist. PI.,' Eng. Ed. i, II, p. 311; Loew, 'Blutenbiol. Floristik,' pp. 354-5.)—Th
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