. Botany; an elementary text for schools. Plants. 224 PLANT SOCIETIES. J An . s(KRtj 111 wliKh hi\i kinds of plants grow side by side, keeps his wild pastures "clean" by turning in sheep: the sheep are fond of browsing. 365. Some plants as- sociate. They grow to- gether. This is possible largely because they di- verge or differ in character (352). Plants associate in two ways: hy grotving side by side; hy growing above or beneath. In sparsely populated societies (as in Fig. 377) plants may grow along-side each other. In most cases, however, there is overgrowth and undergrowth:
. Botany; an elementary text for schools. Plants. 224 PLANT SOCIETIES. J An . s(KRtj 111 wliKh hi\i kinds of plants grow side by side, keeps his wild pastures "clean" by turning in sheep: the sheep are fond of browsing. 365. Some plants as- sociate. They grow to- gether. This is possible largely because they di- verge or differ in character (352). Plants associate in two ways: hy grotving side by side; hy growing above or beneath. In sparsely populated societies (as in Fig. 377) plants may grow along-side each other. In most cases, however, there is overgrowth and undergrowth: one kind grows beneath another. Plants which have become adapted to shade (354) are usually under- growths. In a cat - tail swamp (Fig. 378), grasses and other narrow - leaved plants grow in the bottom, but they are usually unseen by the (casual observer. Search the surface of the ground in any swale or in a meadow. Note the under- growth in woods or under trees (Fig. 379). Observe that in pine and spruce forests there is almost no undergrowth, because there is very little light. Fig. 362. 366. On the same area 378. Grasses and narrow-leaved plants . grow between the cat-tail flags. the socicties may differ at. 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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