12 DICOTYLEDONOUS PLANTS. 



HAB. Cedar swamps. N. J. to Car. June, July. If. flow- 

 ers deep yellow, middle sized. 



4. C. JlabeUifolia Pvrsh : stem procumbent, many-flowered ; leaves 

 dilated-reniform ; lobes widely spreading, coarsely and acutely tooth- 

 ed ; peduncles axillary, solitary, 1 -flowered; sepals obovate ; capsule* 

 uncinate. 



HAB. Sand spring, on Pokono mountain. Penn. Pitrsh. July, 

 Aug. 2J. Stem a foot high. Flowers yellow, middle sized. 

 Allied to C. natans found in Canada and in Siberia. 



8. TROLLIUS. Linn. 



Sepals coloured, 5 10 15, deciduous, petaloid. Petals 

 5 20, small. Capsules many, subcylindrical, sessile, many- 

 seeded. Polyandria. Polygynia. 



T. americanus Mulil. : leaves palmate ; sepals 5 10, spreading ; 

 petals 510, shorter than the stamens. T. laxus Pursh. 



HAB. Wet grounds. Western part of N. Y. Penn. W. to the 

 Rocky mountains. May July. If. Stem a foot or more 

 high. Flowers terminal, large, yellow. Probably often mistaken 

 for a species of Ranunculus. 



9. COPTIS. Salisb. 



Sepals 5 6, coloured, petaloid, deciduous. Petals small, 

 cucullate. Stamens 20 25. Capsules 6 10, on long 

 stalks, membranous, 4 6 seeded. Polyandria. Polygynia. 



C. trtfblia Salisb. : leaves on long petioles, ternate ; leafets obovate, 

 obtuse, toothed or obscurely 3-lobed ; scape 1 -flowered. Hdlcborus tri- 

 folius Linn. 



HAB. Swamps. N. S. and Can. May July. H- Scape 46 

 inches high. Flowers white. It affords a bitter infusion and a 

 yellow dye. See Big. Med. Bot. i. 60. Raf. Med. Fl. i. 127. 



Gold Thread. 



10. AQUILEGIA. Linn. 



Sepals 5, deciduous, petaloid. Petals 5, bilabiate above, 

 drawn out into a spur at base. Capsules 5, distinct, many 

 seeded, with acuminate styles. Polyandria. Pentagynia. 



A. canadensis Linn. : spurs straight ; styles and stamens exserted ; 

 sepals somewhat acute, a little longer than the petals ; segments of the 

 leaves 3-parted, rather obtuse, incisely toothed. 



HAB. Rocks. Throughout the U. S. and Can. April, May. 

 2J.. Stem 1 2 feet high, branched above. Leaves glaucous ; 

 radical ones biternate, the upper ones becoming gradually more 

 imple. Floicers yellow and scarlet. Wild Columbine. 



