28 MANUAL OP BOTANY 



III. Ptebidophyta, or Pern-like plants. The sporophyte is 

 the prominent form, the gametophyte being small and not well 

 developed. Considerable differentiation of tissues is found in the 

 sporophyte, and its body exhibits stem, leaves, and roots. 



It includes : 



Class 6. Pilioinae. 

 „ 7. Equisetinae. 

 „ 8. Lyoopodinse. 



IV. Speemaphyta, or Phaneeogamia, including all plants 

 which produce seeds. The sporophyte is the predominant form. 



The subdivisions are : 



A. Gymnospermse. 



Class 9. Gymnospermse. 



B. Angiospermae. 



Class 10. Monocotyledones. 

 „ 11. Dicotyledones. 



