THE SPERM ATOPH VTA 369 



former including thallophytes, bryophytes, and pteridophytes, and the 

 latter including seed plants. Why is such a classification not a very good 

 one? 



141. Name five cultivated plants which belong to the rose family; five 

 which belong to the nightshade family; five which belong to the composite 

 family, 



142. What family of plants is most important as far as the production of 

 cultivated fruits is concerned? 



143. What family of plants is most important as far as the production of 

 timber is concerned? 



144. Give the derivation of the following terms and explain in what way 

 each is appropriate: 



Antipodal Cells Synergid Papilionaceous 



