FUMARIACE^. 15 



3. P. dubium, L. Smaller than the last, and the lobes 

 of the leaves narrower. Pod oblong, narrowed at the base. 

 Corolla a paler red. — Ballast-heaps, Atl. Prov. 



Order IX. FUMARIA'CKffi. (Fumitory Pamilt.) 



Smooth herbs, with brittle stems, watery juice, dissected 

 leaves, and irregular flowers. Sepals 2, very small. Corolla 

 flattened and closed, of 4 petals, the two inner united by 

 their tips over the anthers of the 6 stamens. Stamens in 

 two sets of 3 each ; filaments often united ; the middle 

 anther of each set 2-oelled, the others 1-eelled. Fruit a 

 1-oelled pod. 



Synopsis of tbe Genera. 



1. Adlu'mla. Corolla 2-spnrred. Petals all penuanently united. Plant 



climbing. 



2. Dtceu'tra. Corolla 2-3parred. Petals slightly united, easily sepa- 



rated. Not climbing. 



3. Coryd'alls. Corolla 1-spurred. Fruit a slender pod, many-seeded. 



4. Fniua'rla. Corolla 1-spurred. Fruit a globular 1-seeded nutlet, 



indehiscent. 



I. AJtliU'SIIA, Raf. dJUBiNG FniQTOHY. 

 A. eirrho'sa, Eaf. A smooth vine, climbing by the peti- 

 oles of its decompound leaves. Flowers in axillary pendu- 

 lous clusters, pale pink. — Low and shady grounds, and rocky 

 woods. 



a. DICEST'TBA, Borkh. Dutchmak's Breeches. 



1. D. Cueullaria, DC. (Dutchman's Breeches.) Leaves 

 all radical, multifid ; these and the slender scapes rising 

 from a bulb-like rhizome of coarse grains. Flowers several 

 in a raceme, whitish, spurs divergent, elongated, acute, 

 straight. — Eich woods. 



2. D. Canadensis, DC. (Squirrel Corn.) Underground 

 shoots bearing small yellow tubers, something like grains 

 of corn. -Leaves very much as in No. 1. Corolla merely 

 heart-shaped; s purs very short and rounded. Flowers green- 

 ish-white, fragrant. — Rich woods. 



