FUMARIACEAE 15 



Dielytra eximia. Hook. $ Fl. Cestr. ed. 2. p. 399. 

 CANADIAN DICENTBA. Squirrel-Corn. 



Tubers depressed-globose, tawny-yellow, clustered and concatenated. Flowers 

 greenish-white, tinged with purple, fragrant. 

 Hob. Moist grounds, near Kimberton : rare. Fl. April. Fr. May. 



26. CORYD'AMS, L. 



[The ancient Greek name of the Fumitory, a kindred plant] 

 Sepals 2, minute, resembling bractlets. Petals somewhat cohering, 

 one only spurred or gibbous at base. Capsule siliquose. Seeds 

 globular-reniform, with a concave or shell-shaped crest. Biennials. 



1. C. ailrea, Willd. Stems low, spreading; racemes simple ; 

 spur incurved ; capsules pendent. 

 GOLDEN CORYDALIS. 



Stem 3 to 6 or 8 inches long, often diffusely branching from the base. Leaves 

 3- to 5-parted, the divisions pinnatifid; radical or lower leaves mostly numerous. 

 on long petioles. Racemes usually opposite the leaves. Flowers bright yellow. 

 Seeds with a scalloped crest 

 Hob. Banks of the Schuylkill: rare. Fl. May. JV.June. 



2. C. ^lailca, Pursh. Stem upright; racemes subpaniculate ; 

 spur short, rounded ; capsules erect. 

 GLAUCOUS CORYDALIS. 



Plant remarkably glaucous. Stem, 12 to 18 inches high, angular and branching. 

 Leaves somewhat biternately dissected; radical or lower leaves on long petioles. _ 

 Racemes terminal. Flowers ochroleucous, with a slight shade of green, and tinged 

 with purple. Seeds with a small entire crest. 

 Hab. mils, near the Schuylkill : rare. Fl. May. Fr. June. 



ft Capsule globular, fleshy, indehiscent. 

 2?. FUMA V RIA, L. 



[Latin, Fumus, smoke; perhaps from its dingy glaucous hue.] 

 Sepals 2, lance-ovate, acuminate. Petals 4, the lower one linear, 

 free, the others cohering at base, the upper one spurred. Capsule 

 small, 1-seeded. Seed not crested. 



.1. F. offidnalis, L. Stem sub-erect, branching; leaves much and 

 finely dissected; racemes terminal, or opposite the leaves; pedi- 

 cels clavate. 



OFFICINAL FUMARIA. Common Fumitory. 



Annual. Stem 9 to 18 inches high, diffusely branching. Leaves petiolate, bipin- 

 nately branching, the divisions petiolulate. Flowers slender, pale violet-purple 

 with a leaden tinge, deeper purple at summit, with green keels. 

 Hab. Naturalized in Gardens, Ac. Nat of Europe. Fl. May. Fr. July. 



ORDER X. CRUCIF'ERAE. 



Herbs, with a pungent watery juice; leaves alternate, without stipules ; flowers 

 corymbose, or racemose ; pedicels without bracts ; sepals 4, deciduous ; petals 4, cru- 

 ciate ; stamens 6, tetradynamous ; fruit a silique, or silicle, ; seeds without albumen ; 

 embryo mostly curved, the cotyledons bent over, with either their edges, or back, 

 to the radicle. 



A remarkably natural or homogeneous family, both In the sensible properties, 

 and botanical characters, of the plants belonging to it It furnishes, moreover, a 

 large and valuable portion of our culinary vegetables. 



