“Stages in the division of a grandmother cell of microspores or pollen grains of a lily, somewhat diagrammatic. 8, diakinesis, that is, chromosomes dispersed about the nuclear membrane.” -Stevens, 1916
William Chase Stevens Plant Anatomy (Philadelphia, PA: P. Blakiston, 1916)
2081×2400, 915.6 KiB
887×1024, 126.9 KiB
554×640, 65.8 KiB
277×320, 27.2 KiB