. Elementary botany . Fig- 347- Spray of leaves and flowers of the American elm ; at the left above is section of flower, next is winged seed (a samara). present when the leaves first come from the bud soon fall away. The flowers are in lateral clusters, which arise from the axils of the leaves, and appear in the spring before the leaves. They hang by long pedicels, and the petals are absent. The calyx is bell-shaped, and 4-9-clett on the margin. The stamens vary also in number in about the same proportion. A section of the flower in fig. 347 shows the arrangement of the parts, the ovary in th
. Elementary botany . Fig- 347- Spray of leaves and flowers of the American elm ; at the left above is section of flower, next is winged seed (a samara). present when the leaves first come from the bud soon fall away. The flowers are in lateral clusters, which arise from the axils of the leaves, and appear in the spring before the leaves. They hang by long pedicels, and the petals are absent. The calyx is bell-shaped, and 4-9-clett on the margin. The stamens vary also in number in about the same proportion. A section of the flower in fig. 347 shows the arrangement of the parts, the ovary in the center. The ovary has cat her one or two locules, and two styles. The mature fruit lias one locule, and is margined with two winged expansions as shown in the figure. 'This kind of a seed is a samara.
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisher, booksubjectbotany
