. Elements of botany. Plants. 134 ELEMENTS OF BOTANY. most showy anthodia like the sunflower and the daisy tliere are two kinds of flowers, the ray-Jioivers, around the margin, and the tubular dish-flowers of the interior of the head. This kind of cluster is well illustrated by Fig. 110. The early botanists supposed the whole flower cluster to be a single compound flower. This belief led to their naming one family of plants Comjiositce, that is plants with compound flowers. In such anthodia as those of the thistle, the cud-weed and the everlasting there are no ray-flowers, and in others, like
. Elements of botany. Plants. 134 ELEMENTS OF BOTANY. most showy anthodia like the sunflower and the daisy tliere are two kinds of flowers, the ray-Jioivers, around the margin, and the tubular dish-flowers of the interior of the head. This kind of cluster is well illustrated by Fig. 110. The early botanists supposed the whole flower cluster to be a single compound flower. This belief led to their naming one family of plants Comjiositce, that is plants with compound flowers. In such anthodia as those of the thistle, the cud-weed and the everlasting there are no ray-flowers, and in others, like those. Fig. 110 . âVertical Section of Anthodium of a Sunflower (diagram). inv., involucre; ray, ray-flower; , tubular flowers of disk; r., common receptacle. of the dandelion and the chicory, all the flowers are ray- flowers. â 168. Compound Floiuer-Clusters. â If the pedicels of a raceme branch, they may produce a compound raceme, or panicle, like that of the oat (Fig. 111).^ Other forms of compound racemes have received other names. An umbel may become compound by the branching of its 1 Panicles may also be formed by compound cymes, see § 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 Bergen, Joseph Y. (Joseph Young), 1851-1917; Bergen, Joseph Y. (Joseph Young), 1851-1917. Bergen's Botany: key and flora, Pacific coast ed. Boston : Ginn
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectplants, bookyear1896
