Fig. 67. Blossom-diagrams of 

 , Campanula medium and 

 Platycodon grandiflorus. 



Fig. 68. 

 Asterias ruber. 



Fig. 69. 



Blossom- 

 diagram of 



Cephalotus 

 follicularis. 



ire found : evident- 

 ly Molgula tubu- 

 losa, and Synoecum 

 turgens may be 

 reckoned among 

 this kind of sym- 

 metrical objects. 



Of the groups 

 with an axis A n of 

 higher value for n 

 than 6, it is not 

 easy to find good 

 examples in nature. Perhaps among the Hexacoratta the form of 



Fig. 70. 



Fruit of Aubletia caseolaris. 



