ANNOTATIONS AND ADDITIONS. 371 



never, as Kunth remarks, in Papilionacese. " Folia pinnata" and 

 "folia composita" are never found in Gentianeas, Rubiaceae, and 

 Myrtaceae. In the morphological development presented by the 

 abundance and variety of form in the appendicular organs of Dico- 

 tyledones, we can at present discern only a small number of general 

 laws. 



