SYNGENES. POLYGAM. SUPERFLU A. 
CHRYSANTHEMUxM. Recept. nudum. Pappus 
nullus. Cal. hemisphaericus, imbricatus, squamis 
margine dilatatis, membranaceis. 
CHRYSANTHEMUM. Recept. naked. Down 
none. Cal. the inner scales membranaceous. 
PYRETHRUM. Recept. nudum. Pappus rmYgi- 
natus. 'Cal. hemispbaeticus, imbricatus, squamis 
margine dilatatis, membranaceis. 
PYRETHRUM. Recept. naked^ Seeds crowned 
with a membranaceous margin. Cal, hemispherical.^ 
imbricated with sharpish scales, bordered with a 
rnemhr anc. 
INULA.. Recept. nudum. Pappus simplex. Cal. 
imbricatus. Cor. radii numerusissimae, lincares. 
Antluroe basi bisetae. 
INULA. Recept. naked. Down hair-like. An¬ 
thers with 2 bristles at the base. 
ERIGERON. Recept. nudum. Pappus simplex. 
Cal. imbricatus. Cor. radii lineares, angustissimae 
numerosae. 
ERIGERON. Recept. naked. Down hair-like. 
Bloss. in the circumference very slender, 
SOLIDAGO. Recept. nudum, scrobiculatum. 
Pappus simplex. Cal. imbricatus, squamis conni- 
veiitibus. Flosc. radii circiter 
SOLIDAGO Recept. naked. Down hair-like, 
Bloss. of the circumference about 6 ; remote. 
SENECIO. Recept. nudum. Pappus simplex.' 
Cal. cylindricus, poiyphyllus, aequalis, calycula- 
lus, squamis apice sphacelatis. 
