CARNEGIE INSTITUTION OF WASHINGTON. 



WATERLILIES, PLATE 19. 



NYMPH/EA AMAZONUM 



J, Bud. 2, Fully open flower. 3, Halt open flower on surface of water. 4. Sepal. 5-9, Petals. 10-13. Stamens. 14-17, Views of 

 ovary and carpellarv styles. 18, 19. Pollen. 20. Ki.idermi- ,.l ovary 



