. Lectures on the evolution of plants. Botany; Plants. Fig. 53 (Sympetalse, LablatlflorsB, CompositEe). — A, flower of dead-nettle (Lamium), the flower strongly zygomorphio; B, stamens and pistil of Lamium; C, flower of speedwell (Veronica), the stamens reduced to two; D, flower of toad-flax (Linaria), the flower zygomorphic, and the base of the corolla prolonged into a spur; E, inflorescence of the Canada thistle (Cirsiura), the small flowers aggregated into a head which looks like a single flower; F, an Individual flower of E; o, the inferior ovary; p, the hairs wbich form the "pappus,&
. Lectures on the evolution of plants. Botany; Plants. Fig. 53 (Sympetalse, LablatlflorsB, CompositEe). — A, flower of dead-nettle (Lamium), the flower strongly zygomorphio; B, stamens and pistil of Lamium; C, flower of speedwell (Veronica), the stamens reduced to two; D, flower of toad-flax (Linaria), the flower zygomorphic, and the base of the corolla prolonged into a spur; E, inflorescence of the Canada thistle (Cirsiura), the small flowers aggregated into a head which looks like a single flower; F, an Individual flower of E; o, the inferior ovary; p, the hairs wbich form the "pappus," or calyx; an, the coherent anthers; G, inflorescence of the may-weed (Maruta), the outer flowers sterile and petal-like, serving merely as organs for attract- ing insects; H, one of the tubular perfect flowers from the central part, or disk, of the inflorescence of Maruta; I, a single flower from the inflo- rescence of the dandelion: all the flowers are alike and have the corolla split open and strap-shaped; p, the feathery pappus; o, the ovary. (Oleacese), with the lilac and ash as familiar representa- tives, also belong to the Contortse. The highest of all the Anisocarpse, and therefore at the head of the whole vegetable kingdom, are the Aggregates, including several families. Of the lower families, the honeysuckles (Caprifoliacese) and the madder family (Rubiacese) are the best known, while. 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 Campbell, Douglas Houghton, 1859-1953. New York, London, The Macmillan company
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Keywords: ., bookcentury1900, bookdecade, booksubjectbotany, booksubjectplants
