8 RANUNCULACE.E. (CROWFOOT FAMILY.) 



14. R. bulbOSUS, L. Stem erect from a solid bulb; leaves pinnately 

 divided; flowers large (!' wide) ; acheiiia pointed with a short curved beak. 

 N. Carolina. Introduced. 



15. R. acris, L., and of the 1st edition, is probably not permanently 

 established within my limits. 



8. ADONIS, L. PHEASANT'S EYE. 



Differs from the preceding mainly in the absence of a pit or scale at the 

 base of the petals, the spike-like arrangement of the achenia, and in the pin- 

 nate division of the leaves. 



1. A. autumnalis, L. Annual; leaves finely dissected; petals 6-8, 

 crimson. New Orleans. Introduced. 



9. CALTHA, L. MARSH MARIGOLD. 



Sepals 4-10, regular, colored, imbricated in the bud, deciduous. Petals 

 none. Stamens numerous. Ovaries 5- 15, forming many-seeded follicles in 

 fruit. Stigma sessile. Perennial smooth herbs, with cordate or reniform 

 undivided leaves, and showy yellow flowers. 



1. C. palustris, L. Stem furrowed, simple or branched, 6'- 10' high; 

 leaves lon'g-petioled, or the upper sessile, entire, ereiiate, or sharply denticu- 

 late, 2' - 6' wide ; flowers single or corymbose, long-peduncled ; follicles spread- 

 ing. Marshes, N. Carolina (Hi/ams), Tennessee (Guttinger). 



10. ISOPYRUM, L. 



Sepals 5-6, regular, colored, deciduous. Petals none, or 5 and minute. 

 Stamens numerous. Ovaries 2-20. Ovules few or many, in 1-2 rows. 

 Style short, subulate. Follicles sessile. Seed horizontal. Low and tender 

 perennial herbs, with alternate ternately divided leaves, and solitary white 

 flowers. 



1. I. biternatum, Torr. & Gray. Stem 6'- 12' high, from fibrous 

 tuber-bearing roots ; radical leaves biternate, long-petioled ; stem leaves ter- 

 nate, nearly sessile ; leaflets ovate and obovate, obtusely 3-lobed ; petals none ; 

 follicles 1-5, 2-seeded. Shaded cliffs of the Chipola River, W. Florida, 

 Alabama (E. A. Smith). March- April. 



11. AQUILEGIA, L COLUMBINE. 



Sepals 5, regular, colored, deciduous. Petals 5, prolonged downward into 

 hollow spurs. Filaments long, filiform. Follicles 5, connivent, many-seeded, 

 tipped with the long filiform persistent styles. Erect branching herbs, with 

 alternate 2-3-ternate leaves, and showy nodding solitary flowers. 



1. A. Canadensis, L. Stem 1- 3 high, smooth or slightly pubescent; 

 radical leaves biternate, the leaflets roundish, creuately lobed ; flowers scarlet 

 stamens and styles exserted. Kocky woods, chiefly in the upper districts 

 April -May. 



