. Nature and development of plants . eUCOplasI as a minute point. Its structure is due to the successive deposits of starch by theleucoplasts. If the grain is built up equally on all sj,|(s in theleucoplasts it will pos ilar and concentric strata as in the bean (Fig. ti, ./». If the hulk of the leucoplast lies on one side of the -rain, this side of the grain will receive more material and consequently the starch grain will become more or less one- NATURE OF PLANTS 19 sided as in the potato (Fig. II, B). Frequently two or moregrains originate in one leucoplast and compound grains r
. Nature and development of plants . eUCOplasI as a minute point. Its structure is due to the successive deposits of starch by theleucoplasts. If the grain is built up equally on all sj,|(s in theleucoplasts it will pos ilar and concentric strata as in the bean (Fig. ti, ./». If the hulk of the leucoplast lies on one side of the -rain, this side of the grain will receive more material and consequently the starch grain will become more or less one- NATURE OF PLANTS 19 sided as in the potato (Fig. II, B). Frequently two or moregrains originate in one leucoplast and compound grains result(Fig. 11, C). Proteids and other foods are likewise transportedin solution to the storage organs where they may or may notbe deposited in solid form. This is usually effected directly bythe protoplasm of the cell without the aid of any plastid. Ani-mals have learned to use the foods stored in these organs justas does the plant. It is interesting, however, to note that wecannot use them as economically as the plant does. In the.
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