DICOTYLEDONS. RANUNCULACE.3L. TrolllUS. 295 



at the extremity lobulato-crenate, stern mostly 1- flowered, pe- 

 tals obcordate p. 173. 



ft Flowers yellow. Leaves undivided. 



4. R. Lingua , leaves lanceolate subserrated sessile semiamplexi- 

 caul, stem erect glabrous, p. 173. 



5. R. Flammula, leaves linear lanceolate nearly entire petiolate 

 the lower ones ovate-lanceolate^ stem declined rooting at the 

 base. 



/3. much smaller, stem creeping filiform, p. 174. 



6. R. Ficaria, leaves heart-shaped petiolate angular or crenate, 

 cal. of 3 leaves, petals 9. p. 174. 



ftf Flowers yellow. Leaves variously divided. 

 -i- Root perennial. Capsules smooth. 



7. R. auricomus, leaves glabrous radical ones reniform 3-partite 

 and cut, stem leaves divided to the base into linear subdentate 

 segments, cal. pubescent shorter than the petals, p. 174. 



8. R. sceleratuS) leaves glabrous radical ones petiolate tripartite, 

 lobes cut very obtuse upper ones into 3 linear incised segments, 

 calyx glabrous, capsules collected into an oblong spike, p. 174. 



9. R. acris, cal. spreading, peduncles rounded, (not furrowed,) 

 leaves tripartite their segments acute 3-fid and cut upper ones 

 linear, p. 174. 



/3. minor, stem 1 2-flowered. 



10. R. repens, calyx spreading, flowerstalks furrowed, scions 

 creeping, leaves cut into 3 petiolated leaflets which are 3-lobed 

 or 3-partite and cut. p. 175. 



11. R. lulbosus, calyx reflexed, peduncles furrowed, stem up- 

 right many-flowered, leaves cut into 3 petiolated leaflets, which 

 are 3-lobed or 3-partite and cut, root bulbous, p. 175. 



-(-4- Roots. annual. Capsules tuberculate or muricated. 



12. R. hirsutus, cal. reflexed, stem erect many-flowered hairy, 

 leaves 3-lobed or 3-partite, lobes obtuse cut, root fibrous, cap- 

 sules margined and tuberculated. p. 175. 



13. R. arvensis, cal. spreading, stem erect many-flowered, leaves 

 three-cleft their segments generally again 3-cleft into linear 

 entire or bi- tridentate segments, capsules muricated. p. 175. 



6. MYOSURUS. 



Cal. of 5- leaves, prolonged at the base, pet. 5, their claws tu- 

 bular, filiform, pericarps collected upon a very small recepta- 

 cle. Stam. 5 to 12. 



1. M. minimus, p. 98. Fields. 



7. TROLLIUS. 

 CaL (Cor., Sm.) of 5, or many leaves. Pet, (Nect. 9 Sm>) 5 



