I }. A N U N O U L AC E JR. 1 1 



Cedar swamps. N. J. txj (Jar. June, July. %. Flowers deep yellow, mid- 

 dle sized. Parnas ia-kaved Marsh Mar'gold. 



3. C. JlabdlifoUa 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. palustris,\dit. ftabellifolia Torr. fy Gr. 



Sand spring, on Pokono mountain, Penn. Pursh. July, Aug. 1J-. Stem 

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

 ada and in Siberia. Tooth-leaved Marsh Marigold. 



8. TROLLIUS. Linn. Globe Flower. 



(Said to be derived from the obsolete German trol, signifying any thing 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. Americaniis 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. ^. 

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

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



0. COPTIS. Salisb. Gold Thread. 



(From the Greek K07rr&>, 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 cuneifonn- 

 obovate, obtuse, toothed or obscurely 3-lobed ; scape 1-flowered. Hdleborus 

 trifolius Linn. 



Swamps. Can. to Virg. N. to Labrador. May July. 1|~ Scnpe 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. AQ.IJILEGIA. Linn. Columbine. 



(From the Latin aquila, 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 3- 

 parted, rather obtuse, incisely toothed. 



