. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. CAPRIFOLIACEAE 52i pollination is ensured when such visits take place. Our most important native types of the order are therefore distributed as follows among the flower classes.— Po, Sambucus; E, Viburnum, Adoxa; C, Symphoricarpos, Linnaea, Lonicera alpigena, L. tatarica, L. Xylosteum ; H, Lonicera caerulea, L. nigra ; Lm, Lonicera Periclymenum, L. Caprifolium. 383. Adoxa L. Flowers inconspicuous, greenish; homogamous or protogynous; with exposed nectar, se
. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. CAPRIFOLIACEAE 52i pollination is ensured when such visits take place. Our most important native types of the order are therefore distributed as follows among the flower classes.— Po, Sambucus; E, Viburnum, Adoxa; C, Symphoricarpos, Linnaea, Lonicera alpigena, L. tatarica, L. Xylosteum ; H, Lonicera caerulea, L. nigra ; Lm, Lonicera Periclymenum, L. Caprifolium. 383. Adoxa L. Flowers inconspicuous, greenish; homogamous or protogynous; with exposed nectar, secreted by a fleshy ring at the base of the stamens. 1207. A. Moschatellina L. (Herm. Miiller,'Fertilisation,' pp. 289-90; Ricca, Atti Soc. ital. sc. nat., Milano, xiii, 1870; MacLeod, Bot. Jaarb. Dodonaea, Ghent, v, 1893, p. 389 ; Knuth, ' Bloemenbiol. Bijdragen '; Kerner,' Nat. Hist. PI.,' Eng. Ed. i, II, pp. 334-5; Kirchner, 'Flora v. Stuttgart,' p. 668.)—The flowers of this species. Fig. 160. Adoxa Moscliaiellina^ L. (after Herm. Muller). (i) Terminal flower, seen from above ( X3i). (2) Ditto, seen from below. (3) Lateral flower, opened and spread out, the style pressed downwards; seen from the front. I4) Ditto, seen from behind. (5) Part of a flower with two (divided) stamens { x 7). (6) Style of a terminal flower, seen from the side. (7, immature half-anther; «', ditto, mature ; /j, nectary ; ov, ovary ; />, petal of the terminal flower; ^', upper petal of a lateral flower ; p-, lower petal of ditto; p\ lateral petal of ditto; s, sepal; j/, stigma. are arranged in a cuboidal head, and exhale a faint musky odour. According to Hermann Muller, the stamens of the terminal tetramerous flower are directed upwards, while those of the four lateral pentamerous flowers are directed outwards. The anthers are at the same level as the stigmas, which develop simultaneously. When nectar-hcking or pollen-devouring insects creep over the blossoms, they sometimes touch the anthers a
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