SYNGENESIA FRUSTRANEA. 
445 
LEPTOPODA. Nuttall. 
Involucrum poly- 
phyllum, foliis duplici 
serie. Flosculi radii 
apice dilatati, 3-fidi. 
Semina cylindracea. 
Pappo membranaceo, 
sub 8-phyllo, coronata. 
Receptaculum couvex- 
um, nudum. 
Involucrum many 
leaved, leaves in a dou- 
ble series. Florets of 
the ray dilated at the 
summit, 3-cleft. Seeds 
cylindrical, crowned 
with a membranaceous 
pappus, generally 8- 
leaved. Receptacle 
convex, naked. 
1. Puberula. Macbride. 
L. caule viscido-pu- 
bescente, stricto; foliis 
alternis, lineari-lance- 
olatis, semi amplexi- 
caulibus, glabris, punc- 
tatis, caulinis inciso 
dentatis; paleis pappi 
fimbriatis. 
Stem viscidly pube- 
scent, striate; leaves 
alternate, linear-lance- 
olate, semi amplexi- 
caule, glabrous, dotted, 
those of the stem 
notched and toothed; 
chaff of the pappus fim- 
briate. 
Galardia Fimbriata, Mich. 2. p. 142. Pursh, 2. p. 573. 
Helenium Vernale, Walt. p. 210. 
Root perennial. Stem about two feet high, simple, very pubescent to- 
wards the summit, fistulous. Leaves alternate, those of the root sometimes 
a little obovate, generally linear-lanceolate, slightly repand, with tin occa 
sional serrature, generally decaying before the expansion of the flower; 
those of the stem linear-lanceolate, with a few deep indentations. Flower 
solitary, terminal. Involucrum many leaved, with the leaves arranged in 
two series, the exterior eighteen to twenty, equal, subulate, pubescent, near- 
ly twice as long as the interior, the interior somewhat lanceolate, pubescent. 
Florets of the ray numerous, (nearly thirty,) yellow, dilated towards the 
summit, three to four-cleft; of the disk very numerous, tubular, five-cleft. 
Stamens rather longer than the florets of the disk. Seed somewhat clavate, 
