THE EVOLUTION OF PLANTS 



AWN QF TH E 



a 

 j 



PO&SIL RECORD 



/Incestore of Prtmofilices 



FIG. 433. Genealogical tree, showing the ancestral lines ol the modern 

 plant orders, according to a monophyletic hypothesis. Full explanation 

 in the text. (d. Fig. 4 34-) 



