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. aspenim 



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



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. ir6) 

 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 s, 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 californica (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 



