134 LETTER XXXVIII. 



These cases, however, are nothing to what ocelli's 

 from ahortion in many Endogens. The greater part 

 of the Orchis Tribe is thus — 



s s s 



p p p 



s 



The Arrow- Root Tribe thus — 



S 8 S 



P P P 



p p 



The Ginger Tribe thus — 









S 



S 





S 





P 





P 



p 



P 



s 





s 





8 



The Banana Tribe thus — 









S 



s 





s 





P 





P 





P 



s 



s 





s 





S s or . S 



which is very nearly in accordance with the ordinary 

 structure of Monocotyledonous groups. 



Perhaps, however, there is no more curious case of 

 extensive alteration in structure, in consequence of 

 abortion, than in the Mint Tribe, of whose flowers 

 the following letters express at once the theoretical 

 and real composition — 



O O >J o >^ 



p p p p p 



or 

 P 



S 

 or 



