576 
syiTgenesia frustranea; Rudbeckia. 
pinnata . 
crenato, caule laevi. Schrad. new. journ. 2. p. 6 I. 
IViUd. enum. Q 2 I . 
Icon. Moris, hist . 3. s. 6. t. Q.f. 54. 
In the mountains of Virginia and Carolina. 1/ . Aug.— 
Oct. v. v . Resembles the preceding. 
14. R. foliis omnibus pinnatis, pinna una alterave inferio- 
rum bipartita, reliquis indivisis, pappo integerrimo, 
caule sulcato hispido. Schrad. new. journ. 2 . p. 6). 
IVilld . enum. 021 . Mich.Jl. amer. 2. p. 144. 
R. digitata. TVilld. sp. pi. 3 . p. 2247 • exci. syn. Mori - 
son. et Alton. 
R. odorata. Hortul. 
Icon. Smith exot. lot. 38. Vent. jard ccls7\. 
In the western parts of Carolina and Georgia. July 
— Oct. v. v. Flowers very showy, of an anise scent $ 
rays long, bright, yellow, hanging downwards ; disk 
ovate, purple. 
Cyanus. 
658. CENTAUREA. Gen. pi. 1331. 
1 . C. squamis calycinis serratis, foliis linearibus integerri- 
mis, inferioribus dentatis. Smith fl. hrit. 2 . p. 911 . 
Willd. sp. pl. 3. p. 2291 . 
Icon. Engl. hot. 277 . Fl. dan. 993 . 
In rye and wheat fields ; rare. Brought from Europe 
with the grain. ©. July, Aug. v. v. Flowers 
blue. 
solstitialis. 
2 . C. calycibus palmato-spinosis solitariis, spinis rectis, 
foliis canescentibus lineari-lanceolatis decurrentibus 
integerrimis, radicalibus ly ratis. IVilid . sp. pl. 3. 
p. 2309. 
Icon. Engl, lot . 243. 
In sandy fields and woods : New Jersey : introduced 
from Europe. ©. July, Aug. v. v. Flowers yel- 
low. 
