. Botany for high schools and colleges. Botany. ASTER ALES. 513 red flowers, which are gathered and dried, constituting tbe dje Saf- fiower. Centaurea odoraVt and G. moscliata, from Asia, and other European and American species, are cultivated in flower gardens. Cnicus includes our Thistles, most of which are weeds in fields. Figs 442-5.—Illustrations op Taraxacum FiQ. 442. Pig. 443. FiQ. 445. Fig. 443.—Head of flowers, with a bud on the right, a closed fruiting head on the left, and two leaves. Eig. 443.—Flowt-r Magnified. Fig. 444.—Receptacle and fruits. Fig. 445.—Fruit. Mai^ni
. Botany for high schools and colleges. Botany. ASTER ALES. 513 red flowers, which are gathered and dried, constituting tbe dje Saf- fiower. Centaurea odoraVt and G. moscliata, from Asia, and other European and American species, are cultivated in flower gardens. Cnicus includes our Thistles, most of which are weeds in fields. Figs 442-5.—Illustrations op Taraxacum FiQ. 442. Pig. 443. FiQ. 445. Fig. 443.—Head of flowers, with a bud on the right, a closed fruiting head on the left, and two leaves. Eig. 443.—Flowt-r Magnified. Fig. 444.—Receptacle and fruits. Fig. 445.—Fruit. Mai^nilficd. L(7. arvensis, the so-called Canada Thistle, is in reality an Old World species. It is one of the most difficult of all our weeds to eradicate on iccount of its undero^round stems, which are tenacious of life. lanceolatus, the Common Ttiistle, is another introduced 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 Bessey, Charles Edwin, 1845- [from old catalog]. New York, H. Holt and company
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