*454 



5YNGENES. FRU3TRAN. i 57 r, 1572. 



1571. TITHONIA. Receptacle chaffy; convex J 

 feeds crowned with a 5 -leaved chaff: ^z/y.* m any- 

 leaved, cylindrical : florets of the ray 3 -toothed. 



rageiiflora* Tithonia. 



Vera Cruz. Desf. ann. mus. Par. l. /. 4. Lam, Must. t. 708. 



Stem ereft, branched: leaves pubeicenr; lower-ones ovate, taper- 

 ing to the bafe, 3-lobed, toothed; upper-ones ovate, hearted, 

 toothed: flowers folitary. 



1572 RUDBECKIA. Receptacle chaffy, conic: 

 Jeeds crowned with a 4-toothed margin: calyx a 

 double row of fcales. 



tadniata. 

 digitata, 



trilobal 



hirta. 



fulgida* 



fpathulata. 

 mmplexifolia 

 purpurea. 



Root-leaves pinnate, leafets ovate unequal at the bafe about 

 3-lobed toothed; fiem- leaves 3-parted and undivided 

 oblong toothed: crown of the feeds 4 toothed. 

 Virginia. Moris. feft. 6.}. 6 f. 53. Com, Canad. t. 179. 



Root-leaves pinnate, leafets feflile lanceolate toothed 

 flight ly cut, the uppermoft lanceolate; ftem-leaves 

 ternate, with the middle divifion^-parted or undivided, 

 lanceolate* toothed: crown of the feeds entire. 

 Sorth America. Morts.fect. 6, /. 6,/. 54. 



Leaves fpatulate; lower ones 3-lobed, upper-ones undivided. 

 Virginia, Pluk. aim. t. 122./ 2. 



Leaves undivided, fpatulate-ovate, triply nerved, ferrate^ 

 hair): receptacle conic; chaff lanceolate. 

 Virginia. Dill. Elih t. 218 /. 285. Pluk. aim. t. 242./. 2. 



Leaves oblong-lanceolate, denticulate, briftly, narrowed and 

 fomewhat hearted at the bafe: receptacle hemispheri- 

 cal; chaff lanceolate. 

 Penfylvania, Carolina. Ait. keiu. $.p. 251. 



Leaves obovate, very entire: Hem I -flowered: florets of the 

 ray 3-toothed. 

 Carolina. Willd. 3. p. 2249. Michaux. Amer.i.p. 144. 



Leaves oblong-lanceolate, hearted, clafping ; lowers-ones" 

 ferrate: difkcylindrico-conic. 

 Mexico. Jacq. ran 3. t. 592. Cavan.ic. 2. t. 251. 



Leaves lance-ovate, alternate, undivided : petals of the raj 

 cloven. 

 North America. Curt. Maz. t. 2. Mill. Jig. t, 224./. 3, 



