»5^ 



NYMPH ALA CEM. 



[CHAP. 



Water-lilies ; the inner albumen, next to the embryo, being 

 formed within the embryo-sac {endosperm)^ the outer albumen 

 the remains of tlie tissue of the nuc.eus of tbe ovule 

 {perispertti). 



Fig. I02. SiacT^iM^oius {Nelumbium spfciosum). About one-tenth to 

 one-fifteenth natural size. 



Victoria regia, a South American member of the Family, 

 nearly allied to the prickly Euryale of India, bears floating 

 leaves which have been measured twelve feet across, and 

 flowers about one foot in diameter when expanded. 



Besides the points noted above, Nelwnbium diifers from 

 the true Water-lilies in its peduncles and petioles rising 



