380 POLYANDRIA POLYGYNIA. 



5841. CHELIDONIUM. 



C. majus: leaves pinnate, lobed; segments rounded ; umbels axillary, 



pedunculate ; petals elliptical, entire. 

 HAB. Along fences, &c. May October, 1].; plant yielding an 



orange juice, branch. ; leaves glauc. ; Jlower yellow. . 



242. SANGUINARIA. Blood-root. 



S. canadensis. 



HAB. Fertile woods. April May, Tj.; root tubular, with a bitter 

 juice ; leaves rad., renif. ; Jlower large, white, solitary. 



243. ACT^A. Bane-berry. 



A. americana : leaves twice and thrice ternate ; raceme ovate ; petals 

 shorter than the stamens ; berries ovate-oblong. 



o. alba : petals truncate, pedicels of the fruit thicker than the pedun- 

 cle ; berries white. 



b. rubra: petals acute; pedicels of the fruit slender; berries red. 



HAB. Rocky woods. May, 'ZJ.; stem 2 feet high; leajlets ovate- 

 lanceolate, incis. ; Jlower white. 



244. SARRACENIA. Side-saddle flower. 



S. purpurea: leaves much shorter than the scape, inflated; ventral 

 wing arched; appendix erect, broad-cordate, undulate, not mucro- 

 nate. 



HAB. Sphagnous swamps. June July. Leaves alt. rad., large 

 and tubular, open at the top ; scape I foot high; Jlower large, soli- 

 tary, purple. 



245. NUPHAR. Yellow Pond-lily. 



N. advena: caiyx 6-leaved; petals numerous; fruit sulcate; leaves 



cordate, with divaricate lobes; petioles semicylindrical. 

 HAB. In water. June July, % ; leaves upright or Jloating ; Jloioer 



large, depressed, yellow. 

 N. Kalmiana : calyx 5-leaved ; stigmas incised, 8 12 rayed ; leaves 



cordate, with approximate lobes ; petioles roundish. 

 HAB. In water. July August, 1}. ; leaves andjlowers small ; calyx 



equal. 



246. NYMPH^EA. Water-lily. 



N. odorata . leaves orbicular-cordate, entire ; nerves and veins promi- 

 nent; c?.lyx 4-leaved, equal to the petals; stigma 16 20-rayed; rays 

 indexed. " 



HAB. In water. June July. 1^; leaves Jloating; Jlower large 

 white, odorous. 



