xx DICOTS. RHOEADALESROSALES 



B; d; ft; y 



4. Moringineae: fls. homochlam, cyclic (fam. 6). 



20. SARRACENIALES. Herbs with usu. alt. insectivorous 1. and 

 spirocyclic to cyclic homo- or hetero-chlam. hypog. reg. fls. ; 

 G (3 5) with parietal or axile plac. and 3 oo ov. ; endosp. 



y. Apocarpy and hypogyny occur, but perigyny is commoner ; 



syncarpy and epigyny also common (Order 21). 



21. ROSALES. Fl. cyclic, rarely spirocyclic, heterochlam. rarely 

 apet., hypog. to epig., reg. or ] ; G or (G) sometimes with thick 

 plac. and oo ov. 



i. Podostemonineae : submerged trop. water pi. of alga or 

 lichen-like form (fams. 13). 



2. Saxifragineae: G = or fewer than C; endosp. usu. rich 

 (fams. 413)- 



