566 
cernua. 
minima. 
Coreopsis, 
chrysanthe- 
m aides. 
frondosa. 
connata . 
pilosa. 
SYNGENESIA FRUSTRANEA. 
III. FRUSTRJNEA. 
65 3. BIDENS. Gen.pl. 12 67. 
1. B. floribus subradiatis cernuis, calyce exteriore flore lon- 
giore, foliis lanceolatis subconnatis dentatis, IVilld. 
sp. pl. 3. p. 1716. 
Icon. FI. dan. 841. Curtis Jl. lond. 3. t. 55. Pet. hort. 
brit. t. 20. f. 6. 
jS. B. foliis lanceolatis sessilibus, floribus seminibusque 
erectis. Sp. pl. 1165. 
Icon FI. dan. 312. DHL in Rail syn. t. J.f 2. 
y. B. foliis lanceolatis serratis oppositis amplexicaulibus. Sp. 
pl 1281. 
Icon. Barrel, ic. t. 1200. Loess. Jl.pruss.t. 11. 
About ponds, ditches and springs : Canada to Pensylva- 
nia. 0. Aug. Sept. The flowers of this and all 
the following species are yellow, and the most of them 
are either without or with rays. 
2. B. floribus radiatis cernuis, radio calyci subaequali triplo 
longiore, foliis oblongis utrinque attenuatis dentatis 
basi connatis. IVilld. sp. pl. 3. p. 17* 7v Mich.Jl . 
amer. 2. p. 13 6. 
Coreopsis flammula. Herb. Banks, mss. 
Coreopsis perfoliata. Walt.Jl. car. 215. 
In overflowed places and about ponds : New England to 
Carolina. ©. Aug. — Oct. v. v. Flowers large, 
bright yellow. The awns of the seeds are by two, 
three, or four; not always by two, as Michaux asserts. 
3. B. floribus discoideis, calyce exteriore flore sexduplo 
longiore, foliolis basi ciliatis, foliis inferioribus pin- 
natis, superioribus ternatis lanceolatis serratis. IVilld. 
sp. pl. 3. p. 1718. 
Icon. Moris, hist. 3. s. 6. t. 5-f. 21. 
In shady fertile woods and fields : Pensylvania to Caro- 
lina. ©. July — Oct. v. v. 
4. B. floribus discoideis, calyce exteriore flore triplo lon- 
giore, foliis caulinis ternatis, foliolis lateralibus con- 
natis, floralibus oblongo- lanceolatis. IVilld. sp. pl. 3. 
p. 27 18. 
In fields and woods ; frequent : Canada to Carolina. © . 
July — Oct. v. v. 
5. B. floribus discoideis, calyce exteriore longitudine in- 
terioris, foliis inferioribus pinnatis, superioribus ter- 
