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lateiibus dorsalibus, subcompressum: carpophorum maturitate 2-partitum , 

 mericarpiis 5-jugatis arcte adnatum: juga prominentia: valleculae canalicu- 

 latae: vittae nullae. 



176- PTYCHOTIS Koch. Umbella subplana , nubilis nutans: umbellulae 

 multiflorae , floribus internis sterilibus: involucrum nullum: involucella 3-5- 

 phyllla, umbelluiis breviora: calycis conoidei limbus liber, denticulis 5 acu- 

 tis, quandoque obsoletus: petala profunde obcordato-2-flda in lacinulam in- 

 flexam a plica transversali, infra apicem exertam, continuata: staminum fi- 

 lamenta, petalis subaequalia: styli filifornies horizontales, apice deflexi: cre- 

 mocarpium ovoideo-elongatum, lateribus dorsalibus convexiusculum, commis- 

 suralibus sub compressum: carpophorum filiforme maturitate 2-partibile: me- 

 ricarpia semicylindrica laeviter 5-jugata, jugis lateralibus marginaotibus: val- 

 leculae l-viltatae- 



177- SISON L. Umbella pauciradiata: umbellulae, radiis abbreviatis inae- 

 qualibus, centrali brevissimo: involucrum et involucella olygophylla linearia, 

 radiis breviora, quandoque deficentia: calycis ovati, limbus obsoletus: petala 

 parva subrotunda emarginata , in lacinulam inflexam , producta: staminum 

 filamenta, petalis aequalia: styli brevissimi, stigmatibus abbrevialis recurvis: 

 cremocarpium subrotundura, lateribus dorsalibus convexum, commissuralibus 

 compressiusculum: carpophorum filiforme, maturitate 2-partitum: mericarpia 

 subhemisferica 5-jugata: jugis lateralibus marginantibus minus conspicuis: 

 valleculae 1-vittatae convexo-prominulae abbreviatae. 



178. AMMI L. Umbella multiradiata ut plurimum plana: umbellulae 

 multiflorae saepe radiantes: involucrum, et involucella polyphylla, foliolis li- 

 nearibus in umbella pinnatifidis , in umbellula simplicibus: calycis tubolosi 

 limbus obsoletus: petala profunde obcordata, in acumine parvo inflexo, pro- 

 ducta: staminum filamenta petalis aequalia aut longiora: styli elongati re- 

 curvi: cremocarpium ovato-oblongum, lateribus dorsalibus, compressum: me- 

 ricarpia, carpophoro filiformi 2-partito, maturitate pendula, 5-jugata , jugis 

 aequalibus acutis, lateralibus marginantibus: valleculae 1-vittatae acutae, juga 

 secundaria simulantes. 



179- AECOPODIUM L. Umbella multiradiata: umbellulne multiflorae in 

 umbella lerminali fertiles , in lateralibus steriles : involucrum et involucella 

 nulla: calycis minimi limbus obsoletus: petala parva obcordata , in ligulain 

 inflexam, apice producta, staminum filamenta, petalis longiora: styli elongati 

 erecti, in fructo magis producti , et prorsus recurvi: cremocarpium ovato- 

 elongatum, lateribus dorsalibus convexum, commisuralibus compressum: car- 



