. Plant physiology. Plant physiology. DEVELOPMENT AND REPRODUCTION 291 the usual subterranean storage organs, begin to accumulate in the aerial stems and so transform these into storage organs. It is possible, however, to bring about the accumulation of food material in an entirely different kind of organ from that in which it usually occurs. For example, in BoussingauUia haselloides, which forms tubers under usual conditions, the accumulation of starch, etc., may be made to occur in the rpot. To accomplish this, the petiole of a cut leaf is buried in soil. Roots develop at the cut end of the
. Plant physiology. Plant physiology. DEVELOPMENT AND REPRODUCTION 291 the usual subterranean storage organs, begin to accumulate in the aerial stems and so transform these into storage organs. It is possible, however, to bring about the accumulation of food material in an entirely different kind of organ from that in which it usually occurs. For example, in BoussingauUia haselloides, which forms tubers under usual conditions, the accumulation of starch, etc., may be made to occur in the rpot. To accomplish this, the petiole of a cut leaf is buried in soil. Roots develop at the cut end of the petiole, and there results a simple kind of plant con- sisting of a leaf and roots, with- out any stem. The organic materials produced in the leaf. 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 Palladin, Vladimir Ivanovich, 1859-1922; Livingston, Burton Edward, 1875-; Hopping, Aleita, 1890-. Philadelphia, P. Blakiston's Son & Co
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