88. CRUCIFERAE 



225 



Upper joint of the fruit ribbed or smooth, not beaked. Seed pendulous 

 from the long, ascending funicle. Cotyledons 2-lobed. Sepals spreading. 

 — Species 7. North and East Africa. Some are used as v'cgetables 

 (sea-kale). Crambe L. 



82. (77.) Fruit prolonged into a broad beak. Radicle incumbent. Petals yellow, 



often marked with violet veins 83 



Fruit not distinctly beaked Sy 



83. Fruit indehiscent, i- or 3-celled, with a single perfect seed and usually a 



rudimentary one below it. Seed oblong. Herbs. Leaves toothed, 



lobed, or cleft 84 



Fruit dehiscing in 2 valves, completely or incompletely 2-celled, with 2 or 

 more seeds, but the seed of one cell sometimes rudimentary (in this case 

 shrubs). Seeds globose or nearly so. Cotyledons folded. ... 85 



84. Fruit I -celled, with an oblique, sword-shaped beak. — Species i. North- 



east Africa (Egypt) Schimpera Höchst. & Steud. 



Fruit 3-celled, with a broad, hollow, chambered beak. — Species i. North- 

 west Africa (Algeria) Myagrum L. 



85. Fruit with 2 seeds. Longer filaments united in pairs. Small shrubs. 



Leaves entire. — Species i. North-west Africa Vella L. 



Fruit with 6 or more seeds. Filaments free. Herbs. Leaves divided, 

 at least some of them 86 



86. Fruit with 6 — 8 seeds and a leaf-like beak. Leaves twice pinnately dis- 



sected. — Species i. North Africa Carrichtera Adans. 



Fruit with many seeds and a sword-shaped beak. Leaves lyrate or un- 

 divided. (See 74.) Eruca Lam. 



87. (82.) Fruit i-seeded 88 



Fruit 2- or more-seeded 91 



SS. Fruit slightly or not compressed, ovoid, with a crusty rind. Seed globular. 

 Cotyledons folded ; radicle incumbent. Petals white. Filaments 

 without an appendage. Glands confluent. Radical leaves pinnately 

 divided. Fruit-stalks spreading-erect. — Species i. North-west Africa 



(Algeria) Calepina Adans. 



Fruit much compressed. Leaves undivided 8g 



89. Sepals petal-like. Petals rose-coloured. Filaments without an appendage. 



Glands wanting. Ovary 3-celled. Fruit elliptical. Radicle accum- 



bent. Shrubs. Leaves entire. (See 20.) . . Schlechteria Bolus 



Sepals not petal-like. Glands present. Ovary 2-celled. Herbs or under- 



shrubs 90 



90. Petals rose-coloured. Longer filaments with a tooth-like appendage. 



Median glands wanting. Apex of the style truncate beneath the stigma. 

 Fruit discoid, winged. — Species 2. North-west Africa (Algeria). Used 



as ornamental plants Aethionema R. Br. 



Petals yellow. Filaments without an appendage. Median and lateral 

 glands confluent into a ring. Apex of the style more or less 2-lobed 



P 



