5S6 



STNGENESrA FRUSTKANEA, 



III. FRUSTRANEA. 



653. BIDENS. Gen. pi. 12Q7. 



cernua. 1. B. floribus subradiatis cernuis, calyce exteriore flore lon- 



giore, foliis lanceolatis subconnatis dentatis. IFilld. 



sp. pi. 3. p. \y\Q. 

 Icon. Fl. dan. 841. Curtis JL. lond. 3. t. 55. Pet. hort. 



Int. t. 20./. 6. 

 ininima. jS. B. foliis lanceolatis sessilibus, floribus s'eminibusque 



erectis. Sp. pi. Il65. 

 Icon Fl. dnn. 312. Dill, in Rati syn. I. "J.f. 2. 

 Coreopsis. y, B. foliis lanceolatis serratis oppositis amplexicaulibus. Sp. 



pi. 1281. 

 Icon. Barrel, ic. t.\2GCj. Ltvss.fl.pruss.t.ll. 

 About ponds, ditches and springs : Canada to Pensylva- 



nia. 0. Aug. Sept. The tiowers of this and all 



the following species are yellow, and the most of them 



are either without or with rays. 

 chrysftnthe- 2. B. floribus radiatis cernuis, radio calyci subaequali triple 

 moides. longiore, foliis oblongis utrinque attenuatis dentatis 



bast connatis. WUld. sp. pi o. p. \7\7. Mich.jl, 



amer. 2. p. 136. 

 Coreopsis flarrimula. Herh. Banks, vhts. 

 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. 



Jrondosa. 3. B. floribus discnideis, calyce exteriore flore sexduplo 



longiore, foliolis basi ciliatis, foliis inferioribus pin- 

 natis, superioribus ternatis lanceolatis serratis, IF Hid. 

 sp. pl.3 p. 171s. 



Icon. AJoris. hist. 3. 5. 6. t.5.f.2l. 



In shady fertile woods and flelds : Pensylvania to Caro- 

 lina. 0. July— Oct. V. V. 



connata. 4, B. floribus discoideis, calyce exteriore flore triplo lon- 



giore, foliis caulinis ternatis, foliolis lateralibus con- 

 natis, floralibus oblongo-lanceolatis. IFilld. sp. pi. 3. 

 p. :7'8. 

 In fields and woods ; frequent : Canada to Carolina. . 

 July — Oct. V. V. 



pxlosa. 5. B. floribus discoideis, calyce exteriore longitudine in- 



terioris, foliis inferioribus pinnatis, superioribus ter- 



