. Plant life, considered with special references to form and function. Plant physiology. V EG ETA TIVE REPRODUCE/ON. 265 veloped brood Ijuds are formed at the ap|)roach of winter about the base of the stem in many perennials with her- baceous tops. These are sejiarated by the death of the [larent stem and produce new plants in the spring. Some aquatics show a similar habit, dropping short shoots to the bottom of the water in autumn, which are to grow in the spring (tig. 295)- 366. (c) Offsets, etc. — Some plants produce special branches, either underground or aerial, which develop at their ext
. Plant life, considered with special references to form and function. Plant physiology. V EG ETA TIVE REPRODUCE/ON. 265 veloped brood Ijuds are formed at the ap|)roach of winter about the base of the stem in many perennials with her- baceous tops. These are sejiarated by the death of the [larent stem and produce new plants in the spring. Some aquatics show a similar habit, dropping short shoots to the bottom of the water in autumn, which are to grow in the spring (tig. 295)- 366. (c) Offsets, etc. — Some plants produce special branches, either underground or aerial, which develop at their extremities new plants or special structures for their for- mation. The house-leek or live- forever (fig. 369) andstonecrop (fig. 296) reproduce themselves by offsets. These are short branches with a rosette of leaves at the tip which is read- ily detached and rolls away, to take root at the first oppor- tunity and establish a new plant. The strawberry and Fig. 298.—a plant of eel-grass (r.;///i«<r- ^/ii j//7--///j» forming newplants, <7, ^, at eel-grass form long leafless tips of runners, arising from axils of lower lea\-es. One third natural size.—.\fter branches which take root at the Scimizlein. tip and produce new plants, the slender runner subsequentlv perishing (figs. 297, 298). The white potato forms at the end of slender underground branches elongated tubers upon which are numerous buds, any one of which, nourished by the reserve food in the tuber, may produce a new shoot. The slender stem by which the tuber is connected with. 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 Barnes, Charles Reid, 1858-1910. New York, H. Holt & company
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