[Vol. 9, 1922] 



328 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Explanation of Plate 



PLATE 20 

 Showing parentage of Nymphaea "Mrs. Q. H. Pring. 



>i 



Left, N. "Mrs. Edwards Whitaker" <J, lavender-blue 

 Right, N. ovalifolia 9, white, blue-tipped. 

 Center, N. "Mrs. G. H. Pring," albino. 



