. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. 544 ANGIOSPERMAE—DICOTYLEDONES MacLeod (Pyrenees) observed a variety of this species (possibly G. Lapeyrou- sianum) to be visited by a beetle, 3 Muscids, and 3 Syrphids. He describes it as belonging to flovifer class C, while the other species of Galium belong to E. 1247. G. verum Mollugo L. ( = G. ochroleucum Wolf.). (Knuth, ' Weit. Beob. u. Bl. u. Insekt. a. d. nordfr. Ins.,' p. 235.)—In the island of Sylt (2. 7. '93) I have seen numerous insects vis
. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. 544 ANGIOSPERMAE—DICOTYLEDONES MacLeod (Pyrenees) observed a variety of this species (possibly G. Lapeyrou- sianum) to be visited by a beetle, 3 Muscids, and 3 Syrphids. He describes it as belonging to flovifer class C, while the other species of Galium belong to E. 1247. G. verum Mollugo L. ( = G. ochroleucum Wolf.). (Knuth, ' Weit. Beob. u. Bl. u. Insekt. a. d. nordfr. Ins.,' p. 235.)—In the island of Sylt (2. 7. '93) I have seen numerous insects visiting in succession the flowers of G. verum Z. and G. Mollugo L., and bringing about an interchange of pollen. G. ochroleucum Wolf., which grows along with these two species, proves that this crossing is effective, for it is a hybrid between them. Visitors.—I observed the following Diptera, skg.— I. Coenosia tigrina F.; 2. Dolichopus aeneus Deg.; 3. Hylemyia sp. 5. 4. H. variata F.; 5. Spilogaster communis ; 6. S. duplaris Zett.; 7. S. duplicata 77/^.; 8. Stomoxys stimulans i1/f. 5. 1248. G. verum L. (Herm. Miiller, 'Fertilisation,' p. 301, 'Weit. Beob.' Ill, p. 70; MacLeod, Bot. Jaarb. Dodonaea, Ghent, v, 1893, p. 387; Knuth, 'Bl. u. Insekt. a. d. nordfr. Ins.,' pp. 82-3, ' Blu- tenbiol. Beob. a. d. Ins. Riigen,' ' Weit. Beob. ii. Bl. u. Insekt. a. d. nordfr. Ins.,' p. 235; Schulz, 'Beitrage,' I, p. 67.) — The plants of this species that I examined in the island of Rom possessed the fol- lowing flower mechanism.—The buds are odourless, but when the corolla expands a very strong smell of cumarin is exhaled. (Kerner compares it to that of honey.) The flowers are only 4 mm. in diameter, but being crowded into dense inflorescences their intense yellow colour makes them conspicuous from a distance. They are markedly protandrous. In the first stage of anthesis the four stamens bend back so far that the lower parts of their filaments lie between the lobes of the flat
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