COMPOSITE. 205 



If.* St$m 4 5 feet high. Flowers numerous, on the summits of 

 ' the branches. ' Ray florets ^bout 8,' yellow ; disk dark purple. 



5. .R. laciniata Linn. : stem smooth ; lower leaves pinnate, the seg- 

 ments 3-lobed ; upper ones ovate ; pappus crenate. 



HAB. Bprder.8 of swamps. Can, to 'Car. W. to Miss; Aug., 

 Sept. ' If J Stem 4 6 feet high, branching.* ^Leaves, rough, the 

 lower ones pinnate or pirmatifid, with about 5 segments ; upper 

 ones nearly sessile, ovate of 3-cleft. Flowers large, yellow, in a 

 loose terminal panicle. Ray florets about 6, 3- toothed. 



Cone, Flower. 



0. R. digitata Ait. : stem smooth ; lower leaves pinnate, the seg- 

 ments pinnatifid ; the upper ones simple, pinnate ; the highest 3-.eleft.; 

 pappus crenate. 



HAB. Mountains.. N. S. to Geor. *W. to Miss. Aug. Oct. 

 2_* Stem 5 6 feet. high. Leaves thin, the segments more or 

 less toothed, generally lanceolate. Flowers terminating the 

 brarfches, yellow." . 



7. R. pinnata Mich. : stem furrowed, hispid ; leaves all pinnate ; 

 lower segments ome times 2-parted ; pappus entire. 



HAB. Mountains. Penn. Muhl. W. to Miss. S. to Gebr. 

 '. . July*-Oct. If. 'Flowers very large, -yellow. Rays long re-. 

 flexed ; disk qvate, purple. 



-39. VERBESINA. Linn. 



Involucre many-leaved, the leaves in a double series. Rays 

 about 5. Receptacle chaffy.. Pappus 2-awned. . 



Sy/igejiesia. Superf.ua. 



V. siegcsleckia Mich. : stem winged ; leaves opposite, ovate-lanceo- 

 late*, acuminate, at each end, acutely serrate; corymb bra.chiate ; 

 branches irregularly many-flowered at the summit.^ Siegeslecltia occi- 

 dcntalis Linn. 



HAB. Shady woods. Penn. to Car. July Sept. 2_f. Root 

 creeping. Stem erect,- 4 6 feet high, 4- winged. Flowers iii 

 large somewhat fastigiate corymbs, yellow ; rays 3-toothed. 



'40.. CALLIOPSIS. Reiclienlacli. 



Involucre double ; inner one many-parte.d, coloured ; outer 

 erect. Receptacle chaffy. Pappus none. 



Syngenesia, Frustranea. 



C. rosea Sprcng^: small and .very smooth ; stem mostly simple ; 

 leaves linear, entire, axils' leafy ; flowers few, .oh long peduncles, axil- 

 lary, terminal ; rays unequally 3-toothed j seeds very entire, naked. 

 Coreopsis rosed Nutt. 



HAB. Swamps. N. J. to Geor.- Aug. . 24!. Stem 12 inches 

 high, smooth and generally simple. Leaves 2 inches long,, op- 



18 ;: .-. ; 



