Il6 CAPPARIDACEAE (CAPER FAMILY) 



C. Petals 6-10 mm. long; pod 2.5-5 cm. long. E. 



E. parviflorum (SMALL WALL-FLOWER) 

 CC. Petals 12-25 mm. long; pod 5-12.5 cm. long. 



D. Seed 4-angled. W. C. E. E. asperum 



DD. Seed lens-shaped. C. E. E. elatum 



BB. Pod flattened parallel to the partition. 



E. Biennial; stems simple, not caespitose. W. E. arenicola 



EE. Perennial; stems branched, caespitose. E. E. occidentale 



CAPPARIDACEAE (CAPER FAMILY) 



Annual herbs, often with a radish or turnip taste. Leaves alter- 

 nate; ternately- or palmately-compound; stipules none. Flowers 

 perfect, in racemes. Sepals 4-8. Petals 4 or rarely more. 

 Stamens 4-32, not tetradynamous, on the receptacle. Ovary 

 i-celled; placentae 2, parietal; style i. Fruit a pod, elliptic to 

 linear, pedicelled. Seeds many. 



A. Stamens 6; pods pendulous, long stiped, opening from the base upward. 



CLEOME (p. 116) 



AA. Stamens 12-19; pods erect, unstiped; opening from the tip downward. 

 E. (Gk. polys = many, anisos = not equal; referring to the stamens.) 



Polanisia trachysperma (CLAMMY-WEED) 



CLEOME 



Erect, branched. Leaves palmately 3-8-foliolate. Pod opening from 

 the base upward. (Gk. kleio = to close ; referring to the flower.) 



A. Leaflets 3; calyx 4-cleft; petals white to purplish. E. 



C. serrulata (STINKING CLOVER) 

 AA. Leaflets 5 or on the upper leaves 3; calyx 4-cleft; petals yellow. E. 



C. lutea (STINKING MUSTARD) 

 AAA. Leaflets 3 ; calyx of 4 distinct sepals ; petals yellow. E. C. platycarpa 



SARRACENIACEAE (PITCHER-PLANT FAMILY) 



Marsh herbs. Leaves all basal, tubular or pitcher-shaped. 

 Flowers large, nodding, on scapes. Sepals 5, persistent. Petals 

 5, hypogynous. Stamens many; anthers versatile. Ovary 5- 

 celled; style lobed. Capsule loculicidal. Seeds many, densely 

 soft-spiny. U. (Honor of Wm. Darlington, an American 

 botanist.) Darlingtonia calif ornica (PITCHER PLANT) 



DROSERACEAE (SUNDEW FAMILY) 



Herbs, biennial or perennial, glandular-pubescent, exuding a 

 copious clear viscid liquid. Leaves mostly basal. Flowers perfect. 

 Calyx persistent, 4-5 parted or segmented, Petals 5, distinct or 



