XVII. SYNGENESIA. 
I. .^IQUALIS. 
* Ligulatce. 
5Q3. CICHOmUM. Recept. subpaleaceum. Pappus po- 
lyphyllus, paleaceus. Cal. calyctilatus. 
594. APARGIA. Recept. nudum. plumosus, ses- 
silis. Cal. imbricatus. 
595. SCORZONERA. Recept. nudum. Pappus plumo- 
sus, substipitatus, Cal. imbricatus, squarais mar- 
gine scariosis. 
5Q6. LEONTODON. Recept, nudum. Pappus plunao- 
sus, stipitatus. Cal. imbricatus, squamis laxiusculis, 
597. CHONDRILLA. Recept. nudum. Pappus pilosus, 
stipitatus. Cal. caiyculatus. Flosculi multiplici se- 
rie. Sem. rugosa. 
598. PRENANTHES. Recept, nudum. Pappus simplex, 
subsessilis. Co/, caiyculatus. simplici serie. 
599. LACTUCA. Recept. nudum. Pappus simplex, sti- 
pitatus. Cal. imbricatus, cylindricus, margine mem- 
branaceo. Sem. laevia. 
6OQ, SONCHUS. Recept. nudum. Pappus pilosus, ses» 
silis. Cal. imbricatus, ventricosus. 
601. HIP^RACIUM. Recept. nudiusculum. Pappus sim- 
plex, sessilis. Cal. imbricatus, ovatus. 
602. KRIGIA. Recept. nudum. Pappus membranaceu.s, 
5*phyilus, setis 5, iterstinctis. Cal. polyphyllus, sim- 
plex. 
603. HYOSERTS. Recept. Vxxxdinm. duplex : ex- 
terior capillaceus3 interior paleaceo-aristatus. Cal. 
caiyculatus. 
604. TROXIMON. Recept, nudum, puncticulatum. Pap- 
pus pilosus, sessilis. Co/, oblongus, conicus, . sim- 
plex, aut squamis inaequalibus imbricatus. 
