SYNGENESIA SCPERFLUA. 363 
33. ScABER. E. 
A. foiiis inferioribus 
petioiatis, oblongo-cor- 
datis, acutis, integerri- 
inis, caulinis sessilibus, 
amplexicaulibus, ovato 
lanceoiatis, superne at- 
tenuate, acutissimis, 
omnibus scabris, undu- 
latis; panicula laxa 
elongata, ramulis ra- 
cemifloris. E. 
Stem about three feet high, striate, a little hairy, very scabrous. Lower 
leaves on petioles, two to three inches long, cordate, with the sinus deep, 
and the lobes round; stem leaves rather narrow, lanceolate, and ovate- 
lanceolate, rigid, very acute, all scabrous. Floioers rather small, in a long 
terminal panicle. Scales of the involucrum linear-lanceolate, acute, pubes- 
cent, appressed. Florets of the ray twelve to sixteen, oval, purple; of the 
disk yellow. Seed angled, hairy. Pappus scabrous. 
This species differs from A. Diversifolius in its leaves which are narrow- 
er, much more acute, more rigid, more scabrous and less pubescent, and 
perhaps also by a larger panicle. 
Grows in soils rather dry. 
Flowers September — October. 
Lower leaves petio- 
late, oblong, cordate, 
acute, entire, those of 
the stem sessile, am* 
plexicaule, ovate lan- 
ceolate, tapering to a 
very acute point, all 
scabrous, undulate; pa- 
nicle loose, long, the 
branches racemose. 
39 . Paniculatus? 
A. foiiis ovato-lan- 
ceolatis, subserratis, 
petioiatis, glabris, ra- 
dicalibus ovato-corda- 
tis serratis, scabris, pe- 
tiolis nudis; caule ra- 
mosissimo, glabro, ra- 
mulis pilosis; involu- 
cris laxis, subimbrica- 
tis. 
Leaves ovate-lan- 
ceolate, slightiy ser- 
rate, petiolate, gla- 
brous, those of the 
root ovate-cordate, ser- 
rate, scabrous, with the 
petioles naked; stem 
much divided, glabrous, 
branches hairy; invo- 
lucrum loose, some- 
what imbricate. 
