k wr. 



■if ^'X 



• • •• \ 



nc/ 



Yic. i olion and Development of Angiospcrms. 



A diagrainmalic vertical section of a flower consisting of an abbreviated 

 axis or floral receptacle (/. r) bearing a proximal (/^/-i) and a distal 

 iper^) whorl of perianth leaves (sepals and petals), a whorl of male 

 sporophylls or stamens (5/. ph. $ ), and one of female sporophylls or 

 carpels {sp. ph. 9 )• 



