XVII. SYNGENESIA. 
I. ^EOUALIS. 
* Ligulatce, 
5 Q 3 . CICHORIUM. Recept. subpaleaceum. Pappus po- 
lyphylius, paleaceus. Cal. calyculatus. 
5p4. APARGI A. Aecep/. nudum. plumosus, ses- 
silis. Cal. imbricatus. 
395. 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. 
001. HIERACIUM. Recept. nudiuscxxlum. Pappus sim- 
plex, sessilis. Cal. imbricatus, ovatus. 
602. KRIGIA. Recept. nudum. Pappus membranaceus, 
5-phyllus, setis 5. iterstinctis. Cal. polyphyllus, sim- 
plex. 
003. HYOSERIS. Recept. 'nudum. Pappus duplex : ex- 
terior capillaceus 5 interior paleaceo-aristatus. Cal. 
calyculatus. 
004. TROXIMON. Recept. nudum, puncticulatum. Pap- 
pus pilosus, sessilis. Cal. oblongus, conicus, sim- 
plex, aut squamis inaequalibus imbricatus. 
