m] THE YELLOW WATERLILY 27 



Sometimes, if a young rhizome ofNymphaea lutea be brought 

 up from the bottom of the water, it will be found to bear leaves 

 differing widely from the familiar floating type 1 . They are 

 wholly submerged, relatively short-stalked, translucent, sinu- 

 ous, and of a delicate, flaccid texture recalling the fronds of Uha 

 (Fig. 12). In a wood-cut in the famous Herbarum vivae eicones 



FIG. 12. Nymphaea lutea, L. Leafy rhizome found floating on Cam near Water- 

 beach, May 17, 1911. Leaves all of submerged type, flaccid, translucent and some- 

 what sinuous at the margin. Rhizome shows leaf-scars, and root-scars in rows of 

 two or three on leaf-bases on under side. ($ nat. size.) [A. A.] 



of Otto von Brunfels (i 530) reproduced in the Frontispiece of 

 the present book some of the outer leaves with short petioles 

 undoubtedly belong to this type, though no description of the 

 submerged leaves of the Waterlilies occurs in botanical litera- 

 ture until a hundred years later 2 . They were re-discovered 



1 Royer, C. (1881-1883), Arcangeli, G. (1890), Brand, F. (1894). 



2 Bauhin, G. (1623). See also Desmoulins, C. (1849). 



