OSOSS ANATOMY OF FLOWERINO PLANTS. XXVU 



flcation of the floral formulae given above, as follows, where the 



members are alternate : 



Gn 



An 



An 



Co 



Ca 



B 



When they are opposite the arrangement is as follows: 



Gn 



An 



Co 



Ca 



B 



In both these diagrams the position of the parts of the flower 

 with respect to the flowering axis is indicated by the position of 



FlQ. XXII. 



Fig, XXIII. 



Fio. XXn.— Actinomorphio flower of Marsh Marisold (Caltha). ^ ^ ^ ^ 

 Fig. XXIII.— Zyeomorpbie flowers of Figwort (Scrophulana). 1. In front 

 vi^w; 3, Side view of a section froni back to front. 



