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INTRODUCTION TO CYTOLOGY 



Fig. 73. — Stages in somatic mitosis as they appear in preparations of root tips of 

 Vicia, Trillium., Podophyllum, and Allium. 1, metabolic stage. 2-9, prophase. 10, 

 metaphase figure developing. 11, 12, metaphase. 13-16, anaphase. 17, 18, telophase! 

 19, 20, interphase. {After Sharp, 1929.) 



