Abstract
The regions in early embryos of several species display chlorophyll autofluorescence in a certain order. First, autofluorescence in <em>Pisum sativum</em> appears in the basal part of globular embryos; in <em>Lathyrus vernus</em> in the basal part of early heart embryos; in <em>Cardamine pratensis</em> at the sides of the hypocotyl or in <em>Phaseolus vulgaris</em> in the hypocotyl of elongating heart-shaped embryos. Chlorophyll autofluorescence in an embryo proper of <em>Pisum</em> coincides with the development of a lamellar system in the plastids. The suspensorial plastids remain undifferentiated with one or two DNA positive nucleoids. <em>Cardamine</em>, <em>Lathyrus</em>, <em>Phaseolus</em> and <em>Pisum</em> suspensors give no chlorophyll autofluorescence.
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