viii MONOCOTS. LILIIFLORAE-MICROSPERMAE 



B; a; b 



3. Iridineae: as last, but inner sta. aborted (fam. 9). 



b. Fls. homo\petaloid} or heterochlam., epig., usu. -\- (Orders 10, u). 



10. SCITAM1NEAE. Trop. herbs, sometimes very large or woody, 

 with cyclic, homo- or hetero-chlam. usu. -|- 3-merous fis.; A typi- 

 cally 3 + 3, but often with great reduction, even to i sta., G usu. 

 3-loc. with large ov. ; usu. aril, peri- and endosp. 



ii. MICROS PERM AE. Fls. cyclic, homo- or hetero-chlam., 3-merous, 

 typically diplostemonous, but commonly with great reduction in 

 A, G 3- or i-loc. with oo small ov.; endosp. or o. 



1. Burmanniineae: fls. usu. reg.; endosp. 



2. Gynandrae: fls. always ] ; no endosp. 



