. Botany; an elementary text for schools. Plants. HOW PLANTS ARE MODIFIED 15. Woody or ligneous plants are usually longer lived than herbs. Those which remain low and produce several or many similar shoots from the base are called shrubs, as lilac, rose, elder, osier. Fig. 5. Low and thick shrubs are bushes. Plants which produce one main trunk and a more or less elevated head are trees. Fig. 6. 16. PLANTS ARE MODIFIED BY THE CONDITIONS IN WHICH THEY GROW.—In most plants, the size, form and general appearance vary or change with the conditions in which the plant groivs. That is, , there is no u
. Botany; an elementary text for schools. Plants. HOW PLANTS ARE MODIFIED 15. Woody or ligneous plants are usually longer lived than herbs. Those which remain low and produce several or many similar shoots from the base are called shrubs, as lilac, rose, elder, osier. Fig. 5. Low and thick shrubs are bushes. Plants which produce one main trunk and a more or less elevated head are trees. Fig. 6. 16. PLANTS ARE MODIFIED BY THE CONDITIONS IN WHICH THEY GROW.—In most plants, the size, form and general appearance vary or change with the conditions in which the plant groivs. That is, , there is no uniform or necessaij ,'"_'''h form into which plants shall grow "^^i^^^-^, No two plants are exactly alike. Observe plants of the same kind and age, and see how they differ or vary. The farmer and gai dener can cause plants to be large or small of their kind, by chang ing the conditions or circumstan ces under which they grow, 17. No two parts of the same plant are exactly alike. No two parts grow in the same conditions, for one is nearer the main stem, one nearer the light, and another has more room. Try to find two leaves or two branches on the same plant which are exactly alike. Fig. 7. 18. Every plant makes an effort to propagate or to per- petuate its kind; and as far as we can see, this is the end for which the plant itself lives. The seed or spore is the final product of the plant. 19. Every plant,— and every part of a plant,— under- goes vicissitudes. It has to adapt itself to the condi- tions in which it lives. It contends for place in which to ^i. 6. A tree. The weeping 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, Macmillan Co.
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