COLE CROP PROJECTS 89 



veloped ; by modifications of the flower clusters cauliflower and 

 broccoli have been produced. All of these plants are regarded as 

 different varieties of a single species. 



Common head cabbage is in reality a huge terminal bud in 

 which large thick leaves overlap to form the bud. The central 

 stem is short. This is the only growth produced the first year. 

 The root is a typical tap root, solid and more or less woody. Elon- 

 gated clusters of yellow flowers are produced the second season. 

 The seeds are produced in elongated pods. 



There are several types of common cabbage, based upon color, 

 size, shape of head, character of leaves, and time of maturing. 



1. To what family does the cabbage belong and what are some 



of its near relatives ? 



2. What sort of structure is a cabbage head ? 



3. What kind of root system does cabbage have? 



4. When are the seeds produced? 



Project Outline 



1. Why grow cabbage ? 



2. Selecting location. 



3. Choosing varieties. 



4. Obtaining seed. 



5. Constructing the hotbed. 



6. Constructing the cold frame. 



7. Making plant boxes. 



8. Making straw mats. 



9. Sowing for the early crop. 



10. Caring for the seedlings. 



11. Transplanting. 



