92, FOUNDATIONS OF BOTANY 
of small, scaly grains. Flowers in a 4-10-flowered simple raceme, not 
fragrant. Spurs of the corolla longer than the pedicels; corolla 
mostly white with a yellowish tip. Rich woods, common. 
2. D. canadensis, DC. SqurrREL Corn, WiLp HyacintH. A 
low, stemless perennial, with scape and leaves much as in No. 1, and 
with small yellow tubers looking like grains of corn scattered along 
the underground shoots. Corolla only heart-shaped at the base, 
whitish or flesh-colored, very fragrant. Rich woods. 
3. D. spectabilis, DC. Bieepinc HEART, Ear Drops. Stems 
branching, recurved. Leaves large, twice compound in threes, the 
divisions rather broad, like those of the common peony. Racemes 
long, drooping, many-flowered. Flowers large, heart-shaped, bright 
pink. Cultivated from China. 
VI. 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, remain- 
ing as a spongy covering over the small, few-seeded pod. 
Fic. 12. — Flower of Dicentra. 
A, view of flower partly dissected ; p, the larger outer petals ; p’, the spoon- 
shaped inner petals; SB, floral diagram. 
1. A. cirrhosa, Raf. MounrTaIn FRINGE, ALLEGHANY VINE. — 
Climbing several feet high by the leaf-stalks. Flowers pinkish- 
white. Rocky hillsides, often cultivated. 
