GL S. megacephalus Nutt. ————> Stems 40-80 com. tall, more or less 
floccose-woolly; leaves chiefly in basal tufts, 10-20 cm. long, 8-25 mm, 
wide, narrowly oblanceolate, obtuse or acute, entire, floccose-woolly or 
cobwebby, the stem leaves similar but smaller, sessile, the upper ones 
lanceolate or linear and acute; heads 1-3, 3.5=5 cm. broad, including the 
spreading ray-flowers, the involucres hemispherice¥, their bracts of 2 
dissimilar series, the outer linear, woolly, herbaceous, 14-15 mm, long, 
the inner subequal, boat-shaped, firm and somewhat chaffy, woolly towards 
the apex; ray flowers 20-25 mm. longs achenes not seen, 
Frequent in subalpine meadows. 
eo» S~. subnudus DC. ———_” Glabrous herbs, the_ stems very siender, .10-40 
{i cm, tall; leaves chiefly basal, few or tufted, their blades oval or obovate, 
8-25 mm, long, rather coarsely dentate, entire towards the base and somewhat 
cuneate or abruptly narrowed to slender petioles 3-5 cm. long; lowermost 
stem leaves smaller and more sharply toothed, the remainder 5-15 mm, long, 
subulate, entire, or sparingly toothed; heads usually solitary, terminal, 
their involucral bracts 5-6 mm. long, linear, glabrous; ray-corollas 8 mM, 
longs; achenes glabrous. 
RA arenes 
a 
Meadow near Oxford Re Se 5000 ft., Epling and Houck 96903; ridges south 
from Wiessner's Peak, 6200 ft., Leiberg 1576. 
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