
doi: 10.1007/bf01279633
The most striking internal feature of the suspensor cells inPisum is the abundant occurrence of a plastid containing spherical bodies consisting of intertwined bundles of tubules. These tubular complexes are not typical prolamellar bodies and they are not converted into grana. Cytochemical reactions indicate that they are proteinaneous. The participation of this plastid in the possible nutritional function of the suspensor is discussed but it is pointed out that critical experimental evidence is needed before the role of the suspensor and its contents in embryogenesis can be understood.
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