MUSTARD FAMILY 99 



1. D. CucuUaria Beriih. Dutchman's Breeches, Breeches 

 Flower. A low, stemless perennial, with a delicate scape and a 

 cluster of basal leaves with linear divisions, from a sort of bulb 

 made of small, scaly grains. Flowers in a 4-10-flowered simple 

 raceme, not fragrant. Spurs of the corolla longer than the pedicels ; 

 Corolla mostly white with a yellowish tip. Rich woods, common. 



2. D. canadensis Walp. Squirrel Corn, Wild Hyacinth. A 

 low, stemless perennial, with scape and leaves much as in No. 1, and 

 with small yellow tubers looking like grains of corn scattered along 

 the underground shoots. Corolla only heart-shaped at the base, 

 w^hitish or flesli-colored, very fragrant. Rich woods. 



3. D. spectabilis Lem, Bleeding Heart, Ear Drops. Stems 

 branching, recurved. Leaves large, twice compound in threes, the 

 divisions rather broad, like those of the common peony. Racemes 

 long, drooping, many-flowered. Flowers large, heart-shaped, bright 

 pink. Cultivated from China. 



VII. CORYDALIS Medic. (CAPNOIDES) 



Leafy-stemmed biennial herbs (the American species). 

 Leaves much divided, alternate or nearly opposite. Racemes 

 terminal or opposite the leaves. Sepals 2, small. Petals 4 ; 

 corolla with a single spur at the base, on the upper side. 

 Capsule many-seeded. 



1. C. sempervirens L. Pale Corydalis. Plant erect, covered 

 with a bloom. Flowers pink-purple with yellow tips. Spur of the 

 corolla very short and rounded. Rocky woods. 



2. C. aurea Willd. Golden Corydalis. A low, spreading plant, 

 finally ascending. Corolla bright yellow, 1-2 in. long; the spur 

 shorter than the pedicel, somewhat bent. Shaded, rocky banks. 



40. CRUCIFER^. INIustard Family 



Herbs with pungent, watery juice, and alternate leaves with- 

 out stipules. Sepals 4, often falling off early. Petals usually 4, 

 arranged in the form of a cross. Stamens 6, the 2 outer ones 

 shorter than the 4 inner ones. Fruit generally a pod, divided into 

 2 cells by a thin partition which stretches across from one to 

 the other of the 2 placentae. The flowers throughout tlie family 

 are so much alike that the genera and species cannot usually 

 be determined without examining the tolerably mature fruit. 



