DICOTYLEDONOUS PLANTS 73 



XVIII. THELYPO'DIUM 



Pods slender, terete, or 4-sided, and often twisted, on a 

 slender stipe. Flowers white or purplish. Stamens long, 

 conspicuous, with very narrow, arrow-shaped anthers. Sepals 

 at first united to form a tube, afterwards spreading. 



T. lasiophy-rium Greene. Erect, smooth below, haiiy above. 

 Leaves toothed or pinnately lobed or divided, with spreading seg- 

 ments. Flowers small, yellowish white. Pods slender, narrowed to 

 the apex, deflexed on curved pedicels. (One variety has erect pods.) 

 This is common, especially in cultivated ground. 



XIX. STANLE'YA 



Pods long and terete on a 7'aised recep)tacle, tuith 1 row of 

 seeds in each cell. Flowers bright yellow or cream-color, with 

 long, narrow, spatulate petals with slender claws ; anthers 

 linear, spirally coiled, on long filaments. 



S. pinnatifida Nutt. Golden Prixce's Plume. This is the 

 only known Californian species. The long conspicuous stamens 

 and the long, loosely and thickly flowered plume-like clusters of 

 golden-yellow flowers suggested the common name to Helen Hunt 

 Jackson. Southern California, common in arid districts. 



CAP? ARID A'CEiE. Caper Family 



Herbs or shrubs with alternate palmately compound leaves 

 of 3 leaflets. Flowers as in Cruciferoe, except that the 

 stamens are all equal. Pods on long stipes, 1-celled, with 

 2 parietal placentae. Many flowers have the pistil rudimen- 

 tary and never produce fruit. 



ISO'MERIS, Bladderpod 



Shrubby, with hard, yellow wood. Leaflets as long as the 

 petiole. Flowers in racemes with bracts, generally simple. 

 Corolla yellow, ^ in. in diameter. Pods inflated, pear-shaped, 

 drooping, on long slender stipes. 



I. arbo'rea Nutt. This is the only species. It is found in south- 

 ern California, where it is quite common. 



