SYNGENESIA ^QUALIS, 
28 ? 
ly denticulate. Flowers in a small, terminal, umbellate corymb, with a few 
scattered branches below the umbel. Scales of the involucrum ovate, lan- 
ceolate, fringed, terminating in a long, subulate, somewhat rigid point. 
Corolla bright purple. Seeds furrowed, hairy, crowned with a double pap- 
pus ; the exterior composed of short, subulate scales ; the interior long, hairy, 
slightly scabrous. Receptacle naked, dotted. 
Grows in dry pine barrens. 
Flowers June — August. 
3. Angostifolia. 
Y. caule simplici; fo- 
liis crebris, longe an- 
gusteque linearibus, 
subintegris; corymbo 
subumbellato; involu- 
cri squamis rigide 
raucronatis. 
Mich. 2. p. 94. Pursh, 2. p. 511. 
Chrysocoma Graminifolia ? Walt. p. 196. 
Root perennial. Stem about three feet high, simple and somewhat sca- 
brous. Leaves linear and linear lanceolate, sparingly denticulate, with the 
margins revolute, somewhat lucid, paler and a little hairy underneath, very 
scabrous, numerous but not crowded, expanding. Flowers in a large ter- 
minal corymb. Scales of the involucrum ovate-lanceolate, tapering to a 
long, subulate, expanding, somewhat rigid point. Florets numerous. Co- 
rolla bright purple. Seed furrowed, hairy ; interior pappus hairy, scabrous. 
Grows in very dry soils. On the high sand hills in the middle country. 
Common near Columbia. 
Flowers June— August. 
Stem simple; leaves 
numerous, long, linear, 
nearly entire; corymb 
somewhat umbelliform; 
scales of the involu- 
crum rigid, mucro- 
nate. 
4. Noveboracensis. 
Y. altissima; foliis 
crebris, lanceolatis, 
serrulatis, scabris; co- 
rymbo fastigiato; in- 
volucri squamis apice 
filiformibus. 
Very tall; leaves nu- 
merous, lanceolate, 
serrulate, scabrous; co- 
rymb fastigiate; scales 
of the involucrum fili- 
form at the summit. 
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