SYNGENESIA FRUSTRANEAo 
566 
ni. FRUSTRANEA, 
cernua. 
minima. 
Coreopsis. 
chrysanthe- 
moides. 
Jfondosa, 
connata. 
pilosa. 
653. BIDENS. Gen.pl. 1267. 
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. hart, 
brit. t. 20 /. 6. 
jS.B. foliis lanceolatis sessilibus, floribus seminibusqiie 
erectis. Sp.pl. 1165. 
Icon. FI. dan. 312. Dill, in Raii syn. t. 7-f 2. 
y, B. foliis lanceolatis serratis oppositis amplexicaulibus. 
pi. 1281. M 
Icon. Barrel, ic. t.\20g. L(ESS.fl.pr 2 iss.t.\\. 
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. 'i': 
2 . B. floribus radiatis cernuis, radio calyci subaequali triple 
longiore, foliis oblongis utrinque attenuatis dentati.s -i; 
basi connatis. IFilld. sp. pi. 3. p. 1717* Mich.Ji, 
amer. 2. p.136. || 
Coreopsis flaromula. Herb. Banks, mss. ; 
Coreopsis perfoliara. Walt. ft. car. 215. 
In overflowed places and about ponds : New England to 
Carolina. O. Aug.- — Oct. v. v. Flowers large, 
bright yellow\ The awns of the seeds are by two, 
ti)ree, or four j not always by two, as Michaux asserts. 
3 . B. floribus di^coideis, calyce exteriore flore sexduplo 
longiore, foliolis basi ciliatis, foliis inferioribus pin- p 
natis, superioribus ternatis lanceolatis serratis. W illd. ’ 
sp. pi. 3 p. 171 s. 
Icon. Moj'is. hist. 3. s.. 6. t. 5.f. 21 . 
In shady fertile woodrs and fields : Pensylvania to Caro- 
lina. 0. July — Oct. V, V. 
4. B. floribus discoideis, calyce exteriore flore triple lon- 
giore, foliis caulinis ternatis, foliolis lateralibus con- 
natis, floralibus oblongo-lanceolatis. Willd. sp. pi. 3. 
p. i758. 
In fields and woods ; frequent : Canada to Carolina. 0 . 
July — Oct. V. V. 
5. B. floribus discoideis, calyce exteriore longitudine in- 
terioris, foliis inferioribus pinnatis, superioribus ter- 
V 
