Fig 54. Diagrams showing the evolution of stamens and petals in Nymphaeaceae. 

 A petal of Nymphaca hcuddotti; B, C, inner stamens of iV. odorata; D. stamen of 

 N. gigantca; E, stamen of Barclaya mottlciji; F, outer stamen of Nymphaca odorata; 



sn' r T r'". ^- ^:Z'^'/'>''\' ^' J' 0"ter and central stamen of N. odorata, re- 

 spectively; K stamen of Cabomha aquatica; L, stamen of Brasenia schreberi M 

 stamen of Nelumbo nucifcra. (After Moscley.) 



120 



