306 SYNGENESIA.— SUPERFLUA* 



into a petiole, serrate ; stem leaves pinnatifid 

 toothed, very remote ; peduncles elongate, um- 

 bellate, corymbed. 

 HAB. Rocky banks. July— Aug. U- . Resem- 

 bles S. Balsamitce. 



* *- Flowers radiate. 



4. S. gracilis : radical leaves on very long petioles, 

 orbicular, subcordate, crenate ; stem-leaves few, 

 very remote, linear-oblong, dilated at the base, in- 

 cisely dentate ; peduncles very short, hairy, sub-, 

 umbellate ; calyx smooth ; rays few, very short. 

 HAB. Rocky banks. May— Aug. tt. A foot 

 high j ft* small. 



i. S. aureus : radical leaves ovate, cordate, serrate, 

 petiolate ; stem leaves pinnatifid, dentate, termi- 

 nal segment lanceolate ; peduncles subumbellate, 

 thick. 

 HAB. Rocky woods. May. U . Stem Win* high; 

 umb. simp.; fl. yell. 



6. S. Balsamitas : radical leaves oblong, serrate, petio- 

 late ; lower cauline leaves lyrate-pinnatifid, ser- 

 rate ; upper ones pinnate, dentate ; flowers some- 

 what umbellate ; stem and peduncles villous at 



trip oisp 



HAB. Meadows, &c. June. H. Stem 1—2 ft, 

 high; leav. subpubes.; fl* yellow. 

 "•'. S. het&rophyllus ; woolly and downy ; leaves on long 

 petioles, ovate-spathulate and ovate, rather acute 

 and pinnatifid ; cauline ones 2 — 3, linear, pinnati- 

 fid ; flowers corymbed. 

 HAB. Rocks. May— June. lfc. A foot high ; fl. 

 bright yellow. 

 3. S. obovatus : radical leaves obovate, crenate-ser- 

 rate, petiolate ; cauline leaves pinnatifid, dentate ; 

 flowers subumbellate, on long peduncles ; stem 

 rather smooth. 

 HAB. Rocky woods. May— June. U. A foot high: 

 leav. thick ; fl. yell. 



491. TUSSILAGO. Colt's-foot. Composite. 

 i. T.frigida: scape fastigiate, many-flowered* brae 



