LIST OF ILLtJSTRATIONS. VU 



FIG. PAGE 



20. Heating flask revolving machine 81 



31. Pipette stand 82 



32. Diagram of theory Pellet and Lamont rasp . . 87 



33. Pellet and Lament beet rasp .... 88 



34. Detail of rasp point 92 



35. Wide neck flask 92 



36. Plan of beet selecting laboratory ... .95 



37. Vertical sampler 97 



38. Hanriot crusher for beet sample 100 



39. Filtering table 101 



40. Complete apparatus 106 



41. Detail of pipette 107 



42. Interior view Braune beet selecting laboratory . 114 



43. Continuous tube for jjolariscope .... 118 



44. Polariscope with continuous tube .... 120 



45. Plan of field, showing position of mothers . . 133 



46. Mother wfth top and end removed . . . 136 



47. Sickle cutting of stalks with seed at Besny , . 139 



48. Stacking bundles of stalks with seed at Besny 141 



49. Construction of silo for beets selected for seed . 148 



50. Maercker sampler .... . . 168 



51. Top view Maercker sampler 168 



52. Divider paper 169 



53. Dreuer marker 176 



54. Arrangement of seed 178 



55. Germinator 180 



56-59. Methods of planting 194 



60-61. Growth of planted seed 203 



62-63. Two germs on same seed sprouted different days 205 



64-66. Growth of seed leaves 206 



67. Leaves with adhering skin 218 



68. Final appearance of root 218 



69. Root formed from leaf with skin .... 219 



