98 



KEY ANB FLORA 



5. P. nudicaule L. Iceland Poppy. A delicate but rough-hairy 

 pereuiiial plant. Leaves all basal, pale, pinuately cut. Flowers yellow- 

 orange or white, borne singly on rather slender, hairy scapes. Culti- 

 vated from Europe. 



V. ADLUMIA Eai. 



A delicate climbing biennial. Leaves thrice-pinnate, cut- 

 lobed. Sepals 2, very small. Petals 4, all united into a corolla 

 v^hich is slightly heart-shaped or 2-knobbed at the base, re- 

 maining as a spongy covering over the small, few-seeded pod. 



1. A. fungosa Greene. IModntain Fringe, Allegheny Vine. 

 Climbing several feet high by the leafstalks. Flowers pinkish- 

 white. Rocky hillsides, often cultivated. 



VI. DICENTRA Bernh. (BICUCULLA) 



Smooth, delicate herbs, with watery juice. Leaves compound 

 in threes and finely cut. Flowers racemed, nodding. Sepals 2, 

 small and scale-like. Petals 4, slightly united to form a heart- 

 shaped or 2-spurred corolla (Fig. 17), the inner pair spoon- 



B 



17. Flower of X)icenij"a 



A, view fif flower partly dissected : p, the larger outer petals ; p', the spoon- 

 sliapeil inner petals. B, floral diagram. (After Le Maout and Decaisne) 



shaped, inclosing the stamens and pistil. Stamens 6 ; the 

 filaments somewhat united into 2 sets, and the anthers in 2 

 sets close to the stigma. Stigma 2-crested. Pod lO-20-seeded. 



