. Beginners' botany. Botany. Fig. 229.— Akenes of Buttercup. Fig. 230. — Akeni s of Buttercup, one in longitudi- nal section. Pericarps.—The simplest pericarp is a dry, one- seeded, indehiscent body. It is known as an akene. A head of akenes is shown in Fig. 229, and the structure is explained in Fig. 230. Akenes may be seen in buttercup, hepatica, anemone, smartweed, buckwheat. A i-loculed pericarp which dehisces along the front edge (that is, the inner edge, next the center of the flower) is a follicle. The fruit of the larkspur (Fig. 231) is a follicle. There are usually five of these fruit
. Beginners' botany. Botany. Fig. 229.— Akenes of Buttercup. Fig. 230. — Akeni s of Buttercup, one in longitudi- nal section. Pericarps.—The simplest pericarp is a dry, one- seeded, indehiscent body. It is known as an akene. A head of akenes is shown in Fig. 229, and the structure is explained in Fig. 230. Akenes may be seen in buttercup, hepatica, anemone, smartweed, buckwheat. A i-loculed pericarp which dehisces along the front edge (that is, the inner edge, next the center of the flower) is a follicle. The fruit of the larkspur (Fig. 231) is a follicle. There are usually five of these fruits (sometimes three or four) in each larkspur flower, each, pistil ripening into a follicle. If these pistils were united, a single compound pistil would be formed. Columbine, peony, ninebark, milk- weed, also have follicles. A i-loculed pericarp that de- hisces on both edges is a legume. Peas and beans are typical exam- ples (Fig. 232); in fact, this character gives name to the pea family, — Leguminosae. Often the valves of the legume twist forcibly and expel the seeds, throwing them some distance. The word " pod " is sometimes restricted to legumes, but it is better to use it generi- cally for all dehiscent pericarps. A compound pod—dehiscing peri- carp of two or more carpels — is a capsule (Figs. 233, 234,. Fig. 231.— Follicle of Lark- 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 Bailey, L. H. (Liberty Hyde), 1858-1954. New York, The Macmillan company
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