THE EVOLUTION OF PLANTS 
617 
l__/i rchigt/mno&permae 
(Hypothetical) 
Lucop&icia, 
_Dawn \o.f thejFoss// Record 
Ancestors oj- LLjCQJ3$ida..andPt~erol3siala, 
FIG. 434. Genealogical tree, showing the ancestral line of the modern 
plant orders according to a polyphyletic hypothesis. Full explanation 
in the text. (Cf. Fig. 43 3-) ,;/( 
