FUMARIACE^E. 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'CE^l. (FUMITORY FAMILY.) 



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-celled, the others 1-celled. Fruit a 

 1-celled pod. 



Synopsis of the Genera. 



1. Adlu'iuia. Corolla 2-spurred. Petals all permanently united. Plant 



climbing. 



2. Dlceu'tra. Corolla 2-spurred. Petals slightly united, easily sepa- 



rated. Not climbing. 



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



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



indehiscent. 



1. UH.r ni.v, Kaf. CLIMBING FUMITORY. 



A. eirrho'sa, Raf. 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. 



2. DICEN'TRA, Borkh. DUTCHMAN'S BREECHES. 



1. D. CueullaFia, 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. Rich 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; spurs very short and rounded. Flowers green- 

 ish-white, fragrant. Rich woods. 



