Brassica Crosses. 



11 



PLATE 3. 

 Types of roots and plants used in the experiments (see page 2) : 



Fig. 16. Colza Rape. 



17. Ragged Jack Kale. 



18. Asparagus Kale. 



19. Kohl Rabi. 



Fig. 28. Asparagus Kale 

 on 



29. Yellow-fleshed Swede. 



30. Type of plant produced in F 1. 



Fig. 20. Thousand-headed Kale. 



21. Drumhead Cabbage. 

 Figs. 22-24. Swede Turnips. 



25-27. Turnips. 



PLATE 4. 



Fig. 31. White Turnip 

 on 



32. Asparagus Kale. 



33. Type of plant produced in F 1. 



Fig. 34. Ragged Jack Kale 

 on 



35. Yellow-fleshed Swede. 



36. Type of plant produced in F 1. 



PLATE 5. 



Fig. 37. Yellow-fleshed Swede 



on 

 38. Ragged Jack Kale. 



39. Type of plant produced in F 1. 



Fig. 40. Colza Rape 

 on 



41. Yellow-fleshed Swede. 



42. Type of plant produced in F 1. 



Fig. 43. Colza Rape 

 on 



44. White-fleshed Swede. 



45. Type of plant produced in F 1. 



PLATE 6. 



Fig. 46. White-fleshed Turnip 

 on 



47. Colza Rape. 



48. Type of plant produced in F 1. 



Fig. 52. Yellow- fleshed Turnip 



on 

 53. Ragged Jack Kale. 



54. Type of plant produced in F 1 



49. Yellow-fleshed Turnip 



on 



50. Colza Rape. 



51. Type of plant produced in F 1. 



55. White-fleshed Turnip 



on 



56. White Swede. 



57. Type of plant produced in F 1. 



PLATE 7. 

 Fig. 58. Ragged Jack Kale. <J. 



59. White-fleshed Swede. $. 



60. Plant of F 1 generation of Ragged Jack Kale (1) on White Swede ($). 

 Figs. 61-65. Plants of F 2 generation. 



