RANUNCULACE^. H 



^j^edar swamps. N. J. to Car. June, July. ^.—FZowers deep yellow, mid- 



Parnassia-leaved Marsh Mar gold. 



3. C. fiabellifolia Pursh. : stem procumbent, many-flowered ; leaves di- 

 lated-reniform ; lobes widely spreading, coarsely and acutely toothed ; pe- 

 duncles axillary, solitary, 1-flowered ; sepals obovate ; capsules uncinate. 

 C. pahistris,\diX. JIabellifoUa Torr. df- Gr. 



Sand spring, on Pokono mountain, Penn. PursTi. July, Auff. %—Stem 

 a foot high Flowers yellow, middle sized. Allied to C. natans found in Can- 

 ada and m Siberia. 



Tooth-leaved Marsh Marigold. 



8. TROLLIUS. £,m7i.— Globe Flower. 

 (Said to be derived from the obsolete German trol, signifying anything round.) 

 Sepals colored, 5—10—15, deciduous, petaloid. Petals 

 5 — 25, small, 1 -lipped, tubular. Stamens and ovaries numer- 

 ous. Follicles many, subcylindrical, sessile, many-seeded. 



T. Americanus Muhl. : leaves palmate; sepals 5— 6, spreading ; petals 

 15 — 25, shorter than the stamens. T. laxus Pursh. 



Wet grounds. Can. to Del. W. to the Rocky Mountains. May— July % 

 —Stein a foot or more high. Flowers terminal, large, yellowish. Probably 

 often mistaken for a species of Ranunculus. American Globe-flower. 



9. COPTIS. Salisb.—Goldi Thread. 



(From, the Greek kotttw, to cut ; in allusion to the numerous divisions of the 

 leaves.) 



Sepals 5 — 6, colored, petaloid, deciduous. Petals small, 

 cucullate. Stamens 20—25. Follicles 3—10, on long stalks, 

 membranous, 4 — 8 seeded. 



C. trifolia Salisb. : leaves on long petioles, ternate ; leafets cuneiform- 

 obdVate, obtuse, toothed or obscurely 3-lobed ; scape 1-flowered. Helleborus 

 trifolius Linn. 



Swamps. Can. to Virg. N. to Labrador. May— July. %..— Scape 4—6 

 inches high, slender, wiry. Flowers white. It affords a bitter infusion and a 

 yellow dye. See Big. Med. Bot. i. 60. 



Common Gold Thread. 



10. AQUILEGIA. i^m^i.— Columbine. 



(From the Latin aquUa, an eagle ; the spurs or nectaries having some re- 

 semblance to the claws of that bird.) 



Sepals 5, deciduous, petaloid. Petals 5, bilabiate, drawn out 

 into a hollow spur at base. Follicles 5, distinct, many-seeded, 

 with acuminate styles.. 



A. Canadensis Linn. : spur straight ; styles and stamens exserted ; sepals 

 somewhat acute, a little longer than the petals ; segments of the leaves '^- 

 parted, rather obtuse, incisely toothed. 



