DICOTYLEDONOUS PLANTS 67 



I. DICEN'TRA, Bleeding Heart 



Sepals 2, like scales. Corolla heart-shaped, the 2 outer 

 petals swollen at the base, and with spreading tips ; the 2 

 inner narrow, spoon-shaped, with a crest or keel on the back, 

 united at the tips and covering the anthers and stigma. 

 Style slender. Stigma 2-lobed, each lobe 2-crested, and so 

 appearing 4-lobed. 



a. D. formo'sa DC. BLEEDING HEART. Leaves and flowering 

 stems springing from creeping rootstocks, succulent and pale green, 

 1 or 2 ft. high. Flowers rose-color, in compound racemes. This 

 grows in rich soil in the shade. From the Sierra Nevada Mountains 

 to British Columbia. 



b. D. chrysan'tha Hook. & Arn. GOLDEN EARDROPS. Flowers 

 golden yellow, in compound racemes. Stems leafy, stout, 2-4 ft. 

 high. Leaves twice pinnately compounded, often more than 1 ft. 

 long. Sepals soon falling. Flowers more than ^ ~$n. long. 

 This showy plant grows in sunny places, usually on dry hills, 

 throughout California. It is not common. 



CRUCIF'ER^. MUSTARD FAMILY 



Herbs with pungent, watery juice. Leaves alternate with- 

 out stipules. Flowers in racemes, spikes, or corymbs. Sepals 

 usually 4, often falling early. Petals 4, with the blades in 

 the form of a cross. Stamens 6, the 2 outer ones shorter than 

 the 2 inner. Fruit a pod divided into 2 parts (except in the 

 first 2 genera) by a transparent partition which stretches 

 from one placenta to the other. The flowers of this family 

 are so alike that genera and species cannot be determined 

 without examining tolerably mature fruit. 



*Pod not elongated, flowers usually very small. 

 I. THYSANOCAR'PUS, Lace Pod 



Flowers inconspicuous, white, fruit roundish, indehiscent, 

 1 -seeded, surrounded by a prominent wing, which is crenate, 

 filled with small, regular holes like embroidery, or with lines 



