List of Illustrations 



DIAGKAM TO ILLUSTRATE THE MENDELIAN I^^^ERITANCE OF 



TALLNESS AND DWARFNESS IN THE CULINARY PEA Fwntispiece 



FIGURE 

 1. (ENOTHERA LAMARCKIANA . 



FACING PAGE 



4 



2. (ENOTHERA GIGAS 



3. (ENOTHERA LAMARCKIANA ; CE. GIGAS 



4. (ENOTHERA RUBRINERVIS . 



5. (ENOTHERA NANELLA 



6. SEEDLING OF TALL PEA ; SEEDLING OF DWARF PEA 



7. TOP OP NORMAL STEM OF THE CULINARY PEA . 



8. TOP OP FASCIATED STEM OP CULINARY PEA 



9. MENDELIAN CHARACTERS IN THE TEXTURE OF THE POD 



10. MENDELIAN CHARACTERS IN THE COLOUR OF THE POD IN THE 



CULINARY PEA 



11. " GREY " PEA . 



12. " WHITE " PEA 



13. ANDALUSIAN FOWLS 



14. DIAGRAM TO ILLUSTRATE THE MENDELIAN INHERITANCE OF 



COLOUR IN THE ANDALUSIAN FOWL 



15. VERTICAL SECTION OF HUMAN EYE OF SIMPLEX TYPE . 



16. SECTION OF IRIS OF SIMPLEX EYE .... 



17. SECTION OP IRIS OF DUPLEX EYE .... 



18. THE SEVEN SEEDS WHICH GAVE RISE TO THE SEVEN SEEDLINCJS 



IN FIG. 19, IN THEIR NATURAL POSITIONS IN THE POD. 



19. THE SEVEN SEEDLINGS RAISED FROM THE SEVEN SEEDS SHOWN 



IN THE POD IN FIG. 18 



20. DIAGRAM TO ILLUSTRATE THE DISTRIBUTION OF YELLOW AND 



GREEN SEEDS IN PLANT NO. 12 IN TABLE ON PAGE 62 . 



6 

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8 

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26 

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36 

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60 



60 



64 



