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 tbe Genera. 



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



climbing. 



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



rated. Not climbing. 



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



4. Fuma'ria. Corolla 1-spurred. Fruit a globular 1-seeded nutlet, 



indehiscent. 



1. ADLIJ'MIA, Raf. CLIMBING FUMITORY. 



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. 



2. DICEX'TRA, Borkh. DUTCHMAN'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, 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. Eich woods. 



