98 KEY AND FLORA 
5. P. nudicaule L. Icetanp Poppy. A delicate but rough-hairy 
perennial plant. Leaves all basal, pale, pinnately cut. Flowers yellow- 
orange or white, borne singly on rather slender, hairy scapes. Culti- 
vated from Europe. 
V. ADLUMIA Raf. 
A delicate climbing biennial. Leaves thrice-pinnate, cut- 
lobed. Sepals 2, very small. Petals 4, all united into a corolla 
which 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. Mountain Friner, 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- 
Fie. 17. Flower of Dicentra 
A, view of flower partly dissected: p, the larger outer petals; p’, the spoon- 
shaped 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 10-20-seeded. 
