FUMARIACE^E. 23 



ed nut, or a 2-valved many seeded pod. Seeds horizontal. 

 Albumen fleshy. Embryo minute. 



Herbs with brittle stems and a watery juice. Leaves usu- 

 ally alternate, many-cleft, often with tendrils. Flowers pur- 

 ple, white or yellow. 



1. FUMARIA. Linn. 



Calyx of 2 sepals. Petals 4, one gibbous or spurred at 

 the base. Pouch, ovate or globose, 1-seeded, indehiscent, not 

 pointed with a style. Diadelphia. Hexandria. 



F. officinaKs Linn. : stem suberect ; leaves bipinnate and cleft, with 



linear segments ; racemes rather loose ; fruit-bearing pedicels erect, 



twice as long as the bracts ; pouch globose, smooth, somewhat retuse. 



HAB. Sandy fields. N. S. July, Aug. 0. Stew a foot high. 



Flmcers rose-coloured. Introduced. Fumitory. 



2. DICLYTRA. De Cand. 



Petals 4, 2 outer ones equally spurred or gibbous at base. 

 Pod 2-valved, many-seeded. Diadelphia. Hexandria. 



1. D. cucuUaria DC Cand. : scape naked ; raceme simple, 1-sided ; 

 spurs straight, divaricate, acute ; leaves 2, decompound. Fumaria cu- 

 cullaria Linn. Corydalis cucullaria Pers. 



HAB. Shady hills. Throughout Can. and N. S. W. to Miss. May. 

 1(. Root bulbous. Scape 6 8 inches high. Flowers large, 

 yellowish-white. The spurs are frequently much divaricated. 



Dutchman's Breeches. 



2. D.formosa De Cand. : scape naked ; raceme somewhat com- 

 pound, many-flowered, nodding; segments of the leaves oblong, in- 

 cisely-pinnatifid ; spurs slightly curved, obtuse ; stigmas 2-angled. 

 Corydalis formosa Pursh. 



HAB. Hills. Can. and N. S. May. 2J..Root bulbous. Floic- 

 ers rose-coloured. 



3. D. eximia De Cand. : scape naked, simple, few-flowered ; leaves 

 bipinnate ; segments linear, glaucous beneath ; spurs 2, short, obtuse ; 

 stigma 4-angled. D.formosa Ell. 1 D. Canadensis De Cand. Coryda- 

 Us canadensis Goldie. 



HAB. Can. to Car. May. 11 Scape 68 inches high. Flow- 

 ers purplish-red, 4 6 in a raceme. Closely allied to D. formosa, 

 but may be distinguished by its stigma. The root also is tube- 

 rous and not bulbous. 



3. CORYDALIS. De Cand. 



Petals 4, one spurred at base. Pod 2-valved, compressed, 

 many-seeded. Diadelphia. Hexandria. 



