. Elements of botany. Botany. 196 ELEMENTS OF BOTANY sometimes outgrowths from the ovary, sometimes from the calyx, sometimes from an involucre. Their otlice is to attach the fiuit to the hair or fur of passing animals. Often, as in sticktights (Fig. 147), the hooks are com- paratively weak, but in other cases, as in the cockle- bur (Fig. 147), and still more in the Martynia, the fruit of. A, sticktights; />, sticktights, t^^-o segments (magnilied) • C, burdock; JJ, cockleburs. which in the gfeen condition is much used for pickles, the hooks are exceedingly strong. Cockleburs can hardly be
. Elements of botany. Botany. 196 ELEMENTS OF BOTANY sometimes outgrowths from the ovary, sometimes from the calyx, sometimes from an involucre. Their otlice is to attach the fiuit to the hair or fur of passing animals. Often, as in sticktights (Fig. 147), the hooks are com- paratively weak, but in other cases, as in the cockle- bur (Fig. 147), and still more in the Martynia, the fruit of. A, sticktights; />, sticktights, t^^-o segments (magnilied) • C, burdock; JJ, cockleburs. which in the gfeen condition is much used for pickles, the hooks are exceedingly strong. Cockleburs can hardly be removed from the tails of horses and cattle, into A\hich they liave become matted, without cutting out all the hairs to which they are fastened. Why do bur-))earing plants often carry their fruit until late winter or early spring?. 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. Boston, Ginn
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1904
