344 
tordifolius. 
ledifolius. 
tinilioras. 
rigidus. 
SYNGENESIA SUPEEFLUA. AstCl*. 
Icon. Pluk. aim. t. 79- f- 2 . 
In dry swamps and on the borders of woods : Pensylva- 
nia to Carolina. % . Aug. — Oct. v. v. ; v. s. in 
Herb. Banks, et Lambert. About two feet high ; the 
«cales of the calyx white, with green tips 5 rays long, 
white. 
3. A. foiiis cuneato-obovatis acutis enervibus utrinque sca- 
bris tortnoso-patulis, corymbo composito subfastigiato, 
calycibus cylindricis imbricatis basi bibracteatis, squa- 
mis oblongis acutiusculis adpressis, radio 5-fioro. — 
Mich.Ji. amer. 2. p. IO 9 . 
Conyza bifoliata. Walt.Ji. car. 204. 
In Lower Carolina and Georgia. %. Aug. — Oct. v. s. 
in Herb. Enslen. About a foot high 5 flowers the size 
of the preceding, rays white. 
4. A. foliis lineari-lanceolatis basi attenuatis enervibus sca- 
briusculis margine revolutis, ramis corymbosis, ramu- 
lis filiformibus unifioris nudiusculis, calycibus laxis 
imbricatis disco duplo brevioribus, foliolis acutissimis, 
radio sub- 20 -fioro. 
A. nemoralis. Ait. kew. 3. p. I 98 . 
/3. A. caule simplicissimo unidoro. 
A. uniiiorus. Mich.Ji. amer. 2. p. 110 ? 
In sphagnous bogs and about mountain-lakes : Canada 
to New Jersey. If. . Sept. Oct. v. v. ,* v. s. in Herb. 
Banks, et Lambert. About a foot high ; flowers mid- 
dle-sized j disk yellowish white 5 rays lilac or reddish-^ 
purple, twice the length of the disk. Sometimes the 
leaves have a small indenture on each side. 
5. A. foliis linearibus mucronatis subcarinatis rigidis mar- 
gine scabro-ciliatis, caulinis reflexis, rameis patenti- 
bus subulatis, caule erecto superne subramoso, ramu- 
lis 1 -floris corymbosis, calycibus imbricatis disco du- 
plo brevioribus, squamis carinatis obtusiusculis, radiis 
sub” 10 -floris reflexis. — Willd. sp.pl. 3. p. 2032. Mich. 
Jl. amer. 2. p. II 8 . 
A. nemoralis. JVilld. sp. pl. 3. p. 2021 . exci. syn. Aiton. 
A. linariifolius. Herb. Banks, et Lambert. 
Icon. Pluk. aim. t. 14. J. 7 ■ 
In sandy fields and pine-barrens : New Jersey to Caro- 
lina. If. Aug. — Oct. V. V, j V. s. in Herb. Banks. 
■ et Lambert. About a foot or less high 5 flowers nearly 
the size of the preceding, rays a beautiful pale violet» 
blue, disk yellow. 
