XVII. SYNGENES1A. 
I. AQUALIS. 
* Ligula to 3 . 
5Q3. CICHORIUM. Recept. subpaleaceum. Pappus po- 
lyphyllus, paleaceus. Cal. calyculatus. 
594. APARGIA.. Recept. nudum. Pappus plumosus, ses- 
silis. Cal. imbricatus. 
595. SCORZONERA. Recept. nudum. Pappus plumo- 
sus, substipitatus. Cal. imbricatus, squamis mar- 
gine scariosis. 
596. LEONTODON. Recept . nudum. Pappus plumo- 
sus, stipitatus. Cal. imbricatus, squamis laxiusculis* 
597. CHONDRILLA. Recept. nudum. Pappus pilosus, 
stipitatus. Cal. calyculatus. Flosculi multiplici se- 
rie. Sem. rugosa. 
598. PRENANTHES. Recept. nudum. Pappus simplex, 
subsessilis. Cal. calyculatus. Flosculi simplici serie. 
599. LACTUCA. Recept. nudum. Pappus simplex, sti- 
pitatus. Cal. imbricatus, cylindricus, margine mem- 
branaceo. Sem . laevia. 
000. SONCHUS. Recept. nudum. Pappus pilosus, ses- 
silis. Cal. imbricatus, ventricosus, 
601. HIERACIUM. Recept. nudiusculum. Pappus sim- 
plex, sessilis. Cal. imbricatus, ovatus. 
002. KRIGIA. Recept. nudum. Pappus membranaceus, 
5-phyllus, setis 5. iterstinctis. Qal. polyphyllus, sim- 
plex. 
603. HYOSERIS. Recept. nudum. Pappus duplex : ex- 
terior capillaceus ; interior paleaceo-aristatus. Cal , 
calyculatus. 
604. TROXIMON. Recept. nudum, puncticulatum. Pap - 
pus pilosus, sessilis. Cal. oblongus, conicus, sim- 
plex, aut squamis inaequalibus imbricatus. 
