SYNGENESIA. POLYGAM. y£OUALIS. tn 
sessllis, simplex. Cal. calyculatus. Flosculi sim* 
plici serie. 
PRENANTHES. Receptacle naked. Down hair-- 
like. Cal, double) containing about ^Jlorets. 
SONCHUS. Recepf. nudum. Pappus sessilis, sim¬ 
plex. Cal. imbricatus, veniricosus. 
SONCHUS. Receptacle Do'wn hair-like) 
sitting. Cal. tiled ; bellying (at the base.) 
LAPS AN A, Recept. nudum. Pappus nullus. Cal, 
calyculatus ; folioiis intcrioribus aequalibus, cana- 
licLilatis. 
LAPS ANA. Receptacle naked. Down none. Cal. 
double. 
* ^ Capitati. Corollulae omnes tubulosae, apice di- 
varlcato-putulae, 
2 Flozuers in globular heads. 
CAR LINA Cal, ventricosus ; squamis exteriori- 
bus spinosis ; interioribus coloratjs scariosis radi- 
antibus. Recept. palaceum. Pappus plumosus. 
CAR LINA. Cal. radiate. Rays coloured. 
ARCTIUM. Cal. globosus ; squamis apice hama- 
tis inflexis, 
ARCTIUM. Cal. scales bent inwards at the points^ 
and hooked. 
CARDUUS. Cal. ventricosus; imbricatus; squa¬ 
mis spinosis. Recept. pilosuin. Pappus deciduus. 
CARDUUS. Cal. with thorny scales; bellying. 
Recept. hairy. 
ONOPORDUM. Cal. ventricosus; squamis pa- 
Y 
