MAYACACEAEHAEMODORACEAE vii 



4. Mayacaceae : marsh pi. with alt. linear 1. and sol. or umbelled 



reg. heterochlam. 3-merous fls. ; K 3, C 3, A 3, G (3), style i 

 with 3 stigs., i-loc. with parietal plac. and few ov.: caps. 3-valved. 



5. Xyridaceae: perenn. herbs with long narrow 1. and axill. spikes of 



heterochlam. 3-merous fls. ; K -|- with 2 smaller lat. 1., C (3) with 

 tube, A 3 epipet., with sometimes 3 outer stds., G (3), i-loc. with 



00 ov. ; caps. 3-valved; endosp. 



6. Eriocaulaceae : perenn. herbs with long linear 1. and involucrate 



heads of fls. on long stalks, $ ? , reg. or -|- , heterochlam., 2 3- 

 merous, sta. usu. in i whorl, G (23), 2 3-loc. with i pencl. ov. 

 in each : caps. ; endosp. 



7. Thurniaceae: perenn. herbs with narrow 1. and heads of 5 , reg. 



homochlam. 3-merous fls. on A stalks; P 3 + 3, A 6, G (3), 

 3-loc. "with i oo ov. in each; caps.; endosp. 



8. Rapateaceae: perenn. herbs with 2-ranked narrow 1.; infl. term. 



with 2 large spathes end. head of spikelets, each of oo br. and 

 term. $ reg. 3-merous heterochlam. fl. ; K (3), C (3), A 3 + 3, 

 G (3), 3-loc. with oo i ov. in each; caps.; endosp. 



9. Bromeliaceae : herbs, often epiph., with alt. usu. rad. 1. and spikes 



or panicles of usu. ? reg. heterochlam. 3-merous fls.; K 3, C or 

 (C) 3, A 3 + 3, G (3), sup. to inf., 3-loc. with oo ov.; berry or 

 caps.; endosp. 



ro. Commelinaceae : herbs with jointed stems, alt. sheathing 1. and 

 cymes of blue or violet, $ reg. or -|- heterochlam. 3-merous fls. ; 

 K 3, C 3, rarely united, A 3 + 3, G (32), style i, 3 2-loc. with 

 few ov. ; caps. ; endosp. 



11. Pontederiaceae : water pi. often with 2-ranked 1. and spicate 5 -l-fls.; 



P 3 + 3 with long tube, A 3 + 3, 3, or i, on tube, G (3) with 



1 style, 3-loc. with oo ov. or i-loc. with i ; caps, or nut; endosp. 



12. Cyanastraceae : herbs with tuber or rhiz. and raceme or panicle of 



5 reg. 3-merous fls. ; (P) with short tube, A 6, G (3), with i style, 

 3-loc. with 2 ov. in each ; caps, i -seeded ; perisp. 



13. Philydraceae: herbs with 2-ranked narrow 1. and spikes of homo- 



chlam. 3-merous $ ] fls. ; sta. i ant., G (3) with i style, 3- or 

 i-loc. with oo ov.; caps.; endosp. 



9 



1 . Juncaceae : perenn. herbs with narrow usu. rad. 1. and many-fld. 



infl. of homochlam. 3-merous $ reg. fls.; P sepaloid, A 6 or 3, 

 G(3), style i with 3 stigs., i 3-loc. each with i x> ov. ; caps.; 

 endosp. 



2. Stemonaceae: perenn. herbs with rhiz. and often climbing stem 



and axillary infls. of homochlam. $ reg. 2-merous fls. ; P sepaloid, 

 G (2), i-loc. ; caps. 



3. Liliaceae: herbs with rhiz. or bulbs, shrubs, or trees with infl. of 



usu. racemose type, of usu. homochlam. $ reg. usu. 3-merous fls. ; 

 P or (P) 3 + 3, petaloid, A 3 + 3, G to G 3 (2 5 )-loc.; fr. 

 various; endosp. fleshy or cartilaginous. 



4. Haemodoraceae : perenn. herbs with 2-ranked 1. and simple or 



cpd. infl. of $ reg. or -|- fls.; P 3 + 3, A 3, G to G, 3-loc. with 

 few ov. ; caps. 



