CAPPAEIDACEAE. 53 



1. LEPIDIUM [Tourn.] L. Herbs. Leaf -blades entire to pinnatifid. 

 Eacemes terminal. Sepals 4, spreading. Petals 4, longer than the sepals, or 

 wanting. Stamens usually fewer than 6. Ovule, and seed, 1 in each carpel. 

 Pods suborbicular to oblong. 



1. L. virglnicum L. Stems 2-9 dm. tall: blades of the cauline leaves narrow, 

 sharply toothed or incised: pedicels spreading, 3-4 mm. long at maturity: 

 sepals oblong, about 1 mm. long: petals slightly longer than the sepals: pods 

 3-4 mm. wide. — Hammocks, pinelands and cultivated grounds, U. keys, L. keys. 

 — [E. K.] — {Ber., Bali., Cuba, Ant.) — Peppergrass. 



2. SOPHIA Adans. Annual or perennial herbs or shrubby plants, densely 

 fine-pubescent. Leaf-blades 2-pinnatifid or dissected. Sepals 4, early decid- 

 uous. Petals 4, yellow or yellowish, slightly longer than the sepals or shorter. 

 Anthers globular to ovoid. Style very short. Pod elongate. 



1. S. pinnata (Walt.) Britton. Stems 3.5-7 dm. tall, hoary-caneseent : leaf- 

 blades 2-3-pinnatifid, the segments linear to oblong-linear: sepals linear to 

 lanceolate, about 1.5 mm. long: petals mainly shorter than the sepals: ovary 

 linear: pods vdth seeds in 1 row. — Cultivated grounds and waste places. Key 

 West. — Tansy-mustard. 



3. CAKILE [Tourn.] Ludwig. Chiefly maritime fleshy herbs. Leaf- 

 blades entire to pinnatifid. Sepals 4, succulent. Petals 4, white or purple. 

 Stamens 6: anthers ovoid. Style very short: stigma depressed. Pod of two 

 dissimilar portions. — Sea-mustard. Sea-rocket. 



Lower joint of the pod 1-seeded. 1. G. lanceolata. 



Lower joint of the pod 2-seeded. 2. C. fusiformis. 



1. C. lanceolata (Willd.) O. E. Schulz. Plants spreading or procumbent: 

 leaves 3-9 cm. long; blades oblanceolate to broadly linear or lanceolate, 3-8 

 cm. long, entire, crenate or dentate, or some of the lower ones pinnatifid: 

 flowers fragrant: sepals becoming 3.5-4 mm. long: petals 4-7 mm. long: pods 

 1.7-2 cm. long, the upper joint conic or ovoid-conic. — Coastal sand-dunes and 

 shores, U. S. keys, U. keys, L. keys. — [E. K.] — (Ber., Bah., Cuba, Ant.) 



2. C. fusiformis Greene. Plants diffuse, rather stout: leaves 5-15 cm. long; 

 blades laciniate-pinnatifid, the segments linear: sepals becoming 4.5-5 mm. 

 long: petals 7-8 mm. long: pods 1.5-2.5 cm. long; the upper joint subulate to 

 lanceolate-subulate. — Sandy shores, L. keys, L. S. keys. 



Family 3. CAPPAEIDACEAE. Caper Family. 



Herbs, shrubs, trees, or vines. Leaves alternate or rarely opposite: 

 blades simple or compound. Flowers perfect, in racemes or cymes, or 

 solitary. Calyx of 4 or 5 sepals. Corolla of 4 or 5, often unequal petals. 

 Receptacle often produced into a gland. Androecium of 4—6 stamens, 

 or more. Gynoecium of 2 united carpels. Ovary often stipitate. Fruit 

 capsular, sometimes baccate. 



Herbs : fruit a 2-valved capsule. 1. Cleome. 



Shrubs or trees : fruit baccate. 2. Cappaeis. 



1. CLEOME L. Herbs. Leaf-blades 3-7-foliolate. Sepals 4, spreading. 

 Petals 4, white or pink, nearly equal, long-clawed. Gland wanting. Stamens 

 12-32: anthers oblong. Ovary long-stipitate: style almost wanting. Capsules 

 linear. 



