LIST OF ILLUSTRATIONS. 



FTG. 



1. Appearance of seed and leaves on stalk 



2. Outward appearance of three-seed cluster 



3. Perspective view of flower from top 



i. Section of flower showing embryo and stigma 



5. Plan or diagram of flower 



6. Pollen 



7. Section of pollen ... ... 



8. Flowers at various stages of maturity 



9. Stamens (detail of anthers) .... 

 II'. Section of flower through pistil 



11. Section of nucleus 



12. Seed development 



13. Enlarged microscopical section of beet seed . 



14. Section of pericarp of seed 



15. Seed taken from hard outer covering 



16. Section of seed 



17. Appearance of testa magnified . 



IS. Section M. N 



10. Starch cell 



20. Seed with descending root 



21. Tip end of root showing plant cells 



22. Legras beet with stalks and seed . 

 2?. Matured seed with dried petals on stalk 



24. Typical Legras sugar beet 



25. I 



26. > Shape of beets geometrically shown 



27. ) 



Shape of beets 



Slassy's method of taking sample 



28. Sampling 



29. Diagram of Violette's theory 



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