CARNEGIE INSTITUTION OF WASHINGTON. 



WATERLILIES, PLATE 20. 





NYMPH/EARUDGEANA. 

 1, 2, Views of the flower. 3, 4,- Pruits. 5, Bud. 6, Same as 5, with outer floral organs removed. 7-10, Petals. 11-15, stamens. 

 16-19. Views and details of gyniecium. 20-22. Pollen. 23, Fruit. 24, Cross section of ovary. 25-27, Sections of stvle. 28, Vertical 

 section of stigma, showing parrfllte. 



