THE STAGES OF PLANT LIFE. 



19 



crowded whorls, each succeeding whorl differing from 

 the last ; some of the parts possessing great delicacy 



H, young branchlet of Q. alba, with aments, etc. D, a staminate ( $) flower ; E, the satnw, F, a 

 pistillate ( $ ) flower with five stigmas ; G, vertical section of the same ; J, branchlet with full-grown 

 leaves and mature fruit ; /, section of the acorn showing the two thick cotyledons and embryo at top. 



of organization, and, frequently, marked beauty of 

 color. (See Figures D, E, F, G, H, 1, J.) 



