SY¥NGENESIA, SUPERFLUA. 147 
pappus. Seed very small, rather smooth, oblong, and 
compressed; pappus simply pilose, deciduous, not much 
longer than the seed, exterior pappus minute and palea- 
ceous. ; 
+e Stem simple. 
Species, 1.E. alpinum. 2.* pumilum, Hirsute: stems ag- 
gregated, 1-flowered, leaves oblong-linear, entire and ses- 
sile; ower large and hemispherical, before flowering nu- 
tant; calix very hirsute. Has. On the plains of the Missouri. 
Flowering in May. E. Airsutum. Px. 2. Suppl. p. 742. 
but this name has been previously employed for another 
Species. Oxs. Stems several from the same root,’ often, 
indeed, connected at the base, 4 or 5 inches high, 1-flow- 
ered. Leaves 2 inches, more oF less, nearly linear, atten- 
uated downwards, scarcely 2 lines wide. Flower naked, 
(or pedunculate) white, and large as a Daisy; rays 4s long 
as the calix, narrow and numerous. Pappus double, i in- 
ternal short, about I2-rayed. 
3. * asperum. Hirsutely scabrous; stem about 9-flow- 
ered, slender; leaves lanceolate-acute and entire; flower 
hemispherical, white. Has. On the plains of the Mis- 
gouri. Seeneriness in August. Stem solitary, scarcely 12 
Rays. 
pilose, of about 20 rays, much longer than. ‘the smooth 
seed, slightly rufescent. 
‘4. nudicaule. Considerably allied to the tecediteg, but 
with the radical leaves smooth, the stem slender and re- 
markably naked, peduncles ee and. pence ey 
mary ones subfastigiate. Flowers small and 
cal, nearly white. Pappus double. 
5. : 
Me Oe 
Gndrigin pbarenge: jae oomeen ps Eh not E. 
Ayssopifolium of Michaux; but the stem is simple and not 
pani and about 18 inches high. Leaves 2 to 4 
inches long, 2 to 4 lines wide, sessile, and attenuated 
Bos pe one splowenshegl Sse 30, Sen Seeman 
