. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. COMPOSITAE 571 (a) Tribe Eupatoroideae Less. Style of the hermaphrodite florets cylindrical and two-branched. Stylar branches ^-terete or somewhat clavate, pubescent above. 412. Eupatorium L. Flowers protandrous, but few in each of the heads, which are arranged in dense terminal corymbs. The stylar branches are as long as the corolla-tube, and beset for their lowest fourth with a row of stigmatic papillae on each side; above this densely clothed with sweepin
. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. COMPOSITAE 571 (a) Tribe Eupatoroideae Less. Style of the hermaphrodite florets cylindrical and two-branched. Stylar branches ^-terete or somewhat clavate, pubescent above. 412. Eupatorium L. Flowers protandrous, but few in each of the heads, which are arranged in dense terminal corymbs. The stylar branches are as long as the corolla-tube, and beset for their lowest fourth with a row of stigmatic papillae on each side; above this densely clothed with sweeping-hairs. Flower class SL. 1310. E. cannabintun L. (Herm. MuUer, 'Fertilisation,' pp. 318-20, ' Alpenblumen,' p. 450, 'Weit. Beob.,' Ill, p. 92 ; MacLeod, Bot. Jaarb. Dodonaea,. Fig. 190. £K^a/i7r-/««i:aKKafo»K»!, (after Herm. Muller). (i) A head with four florets, in the first (male) stage. (2) A single floret in the second (female) stage. From a to 4 each branch of the style is beset with a line of stigmatic papillae on each side ; from A to c it is covered with sweeping-hairs. Ghent, ill, 1891, v, 1893, vi, 1894; Hildebrand, 'U. d. Geschlechtsverhalt. b. d. Compositen, pp. 16-17, Taf. I, Figs. 14-19; Kerner, 'Nat. Hist. PI.,' Eng. Ed. 1, II; Warnstorf, Verb. bot. Ver., Berlin, xxxviii, 1896; Knuth, ' Bloemenbiol. Bijdragen,' ' Blutenbiol. Herbst-Beob.')—In this species, according to Hermann Mailer, each head usually contains only five, or even only four, dull-red florets. As however, there are generally several hundred such heads arranged in dense. 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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