TROPAEOLA CEAE VOCHYSIA CEAE xxv 



3. Tropaeolaceae : usu. climbers with sensitive petiole, stip. or not, 



and 5-merous [ fls. , with axis prolonged into post, spur; A 8, 

 G 3-loc. with i ov. in each ; schizocarp ; no endosp. 



4. Linaceae : herbs or woody with alt. 1., stip. or not, and $ reg. 5 



4-merous fls. with no disc; A 5 20 united below, G 5 4 (or 

 less)-loc. with i 2 ov. in each and often with extra partitions ; 

 caps, or drupe ; endosp. 



5. Humiriaceae : woody with alt. stip. 1. and reg. ? 5-merous fls. with 



cup-shaped disc; A 10 oo, G (5) each with i 2 ov.; drupe.; 

 endosp. 



6. Erythroxylaceae : woody with alt. simple stip. 1. and 5-merous 5 reg. 



fls., heterostyled with no disc ; C with appendages on inner side, 

 A 10, united in tube at base, G (3 4), 3 4-loc, but only i 

 fertile, with i 2 ov. ; drupe; endosp. 



7. Zygophyllaceae : usu. shrubby with opp. often pinnate stip. 1. and 



cymes or cpd. infls. of reg. 5 4-merous fls. with disc or gyno- 

 phore ; A 10 8, rarely 15, often with united basal appendages, 

 G (5 4) or more with i oo ov. ; usu. caps, or schizocarp ; en- 

 dosp. or o. 



8. Cneoraceae : shrubs with alt. narrow leathery exstip. 1., oil cells, 



and single or cymose reg. $ 3 4-merous fls. with disc ; A 3 4, 

 G (3 4), lobed, each with 2 ov.; style i; schizocarp. 



9. Rutaceae: usu. woody with alt. or opp. simple or cpd. exstip. 1. 



and reg. or -|- usu. $ 5 4-merous fls. with disc ; A obdipl. or 

 5 4 3 2, rarely oo , G(5 4) rarely (3 i or oo) with oo 2 ov.; 

 fr. various; endosp. or none. 



10. Simarubaceae: woody pi. with bitter bark, alt. or opp. usu. pin- 



nate exstip. 1. and reg. usu. <? ? 5 4-merous fls. with disc; A 10, 

 5, or oo, G (5) or less; fr. various; endosp. thin or none. 



11. Burseraceae: woody pi. with alt. usu. cpd. 1., resin-passages and 



small reg. usu. c? ? 5 4-merous fls. with disc; A obdipl. or 5, 

 G (5 3) each usu. with 2 ov.; style i; drupe or caps.; no en- 

 dosp. 



12. Meliaceae : woody pi. usu. with pinnate exstip. 1. and usu. reg. 



fls. in cymose panicles; axis rounded or with effigurations; K, 

 C sometimes united., A usu. in tube, obdipl. or 5, G (5) or less, 

 multi-loc. with i 2 rarely more ov. in each, and i style; fr. 

 various; endosp. or o. 



13. Malpighiaceae : woody usu. climbing pi. with opp. stip. 1. and 



obdipl. 5-merous fls. with convex or flat axis, sometimes with 

 gynophore ; K (5), often with nectaries, C 5 usu. clawed, A 5 + 5, 

 often some aborted, G usu. (3), each with i ov. ; schizocarp, 

 nut or drupe; no endosp. 



14. Trigoniaceae : woody often climbing pi. with alt. or opp. 1. stip. 



or not and $ obliquely -|- 5-merous fls.; K (5), C 5 3 often very 

 unequal, A 5 610, united in tube at base, G (3) with oo 

 2 ov. each ; caps. ; endosp. or not. 



15. Vochysiaceae : woody, rarely herbs, with opp. or whorled simple 



1., stip. or not, and $ obliquely -|- fls.; K (5), one often spurred, 

 C usu. 3 i, perig. or epig., A i and stds., G or G (3) each 

 with oo 2 ov.; fr. indeh. or caps.; no endosp. 



