360 
SYNGENESIA SCPERFLUA. 
tifloris; involucri; squa- 
mis, lanceolatis, laxis, 
discum subaequantibus. 
broas, branches many 
flowered; scales of the 
involucrum lanceolate, 
loose, as long as the 
disk. 
Sp. pi. 3. p. 2046. Pursh, 2. p. 553. 
Stem two to five feet high, glabrous, branching profusely. Lower leaves 
two to three inches long, semiamplexicaule, glabrous, the upper narro'w 
nearly entire. Flowers numerous, in racemose panicles. Scales of the 
involucrum linear-lanceolate, loosely imbricate. Florets of the ray about 
thirty, nearly linear, pale purple; of the disk yellow. Seeds pubescent. 
Grows in damp rich soils. 
Flowers October — September. 
83- Amplexicaolis. 
A. foliis ovato-ob- 
longis, acutis, amplex- 
icaulibus, cordatis, ser- 
ratis; caule paniculato, 
glabro; involucri squa- 
mis lanceolatis, arete 
imbricatis. 
Leaves ovate, ob- 
long, acute, amplexi- 
caule, cordate, serrate 
stem paniculate, gla- 
brous; scales of the in- 
volucrum lanceolate, 
closely imbricate. 
Sp. pi. 3. p. 2046. Pursh, 2. p. 552. Nutt. 2. p. 153. 
Stem erect, two to three feet high, glabrous, sparingly branched towards 
the summit. Leaves oblong lanceolate, the lower attenuate, semiamplexi- 
caule, the upper more cordate, all glabrous and slightly serrate. Flowers 
middle sized, in a terminal panicle. Scales of the involucrum linear-lanceo- 
late, thick, very acute, glabrous. Florets of the ray (sixteen to twenty) 
narrow, purple; of the disk yellow. Seed nearly glabrous. 
Grows in dry soils moderately fertile. 
Flowers September — October. 
» #>. 
