xvi DICOTS. CENTROSPERMAERANALES 



B; c; d; a 



2. Phytolaccineae: P haplo- to hetero-chlam., tending to 

 cyclic ; A sometimes <x , G sometimes little united 

 (fams. 36). 



3. Portuladneae- P heterochlam. ; K 2, C 4 5 (fams. 7, 8). 



4. Caryophyllineae : P heterochlam., K = C; fl. cyclic, some- 

 times with no C (fam. 9). 



d. Fls. usu. heterochlam. (Orders 18 30). 



a. Apocarpy and hypogyny the rule ; perig. and epig. fls. only 



in Lauraceae and Hernandiaceae (Order 18). 



1 8. RAN ALES. Herbs or woody pi. with spiral, spirocyclic, or cyclic, 

 usu. haplo- or hetero-chlam. rarely achlam. reg. or -|- fls.; A usu. 

 oo, G co i, rarely united. 



i. Nymphaeineae: fls. various, usu. spiral; ov. (exc. in 2) 

 usu. oo on inner surface of cpls.; mostly water plants 

 (fams. i, 2). 



2. Trochodendrineae : fls. naked, spirocyclic; ov. on ventral 



suture; no oil cells (fams. 3, 4). 



3. Ranunculineae: fls. with P, spiral to cyclic ; ov. on ventral 



suture; no oil cells (fams. 5 8). 



