226 88. CKUCIFERAE 



beneath the stigma. Fruit witli () longitudinal ncrvTS. Fruit-stalks 

 bent downwards. (See 59.) Isatis L. 



91. (f^y.) Fruit 2-sccded 92 



Fruit 4- or more-seeded 99 



92. Fruit much compressed from the back, oblong, with a soon vanishing 



partition and flat, net-veined valves. Seeds horizontal, winged ; 

 radicle accumbent. Lateral sepals saccate. Petals pale-violet. Leaves 

 pinnatisect. — Species i. North-east Africa (Egypt). . . Ricotia L. 

 Fruit compressed from the side, and then with a narrow partition, or not 

 compressed ; partition well developed 93 



93. Fruit distinctly compressed laterally 94 



Fruit not distinctly compressed 97 



94. Fruit moderately compressed, with a lanceolate or elliptical partition, 



opening by 2 valves. Seeds pendulous ; radicle incumbent, rarely 

 obliquely accumbent ; cotyledons inserted behind the bend of the 

 embryo. Petals white, more rarely yellowish or wanting. — Species 20. 

 Some of them (especially L. sativum L., garden-cress) yield salad, oil, and 



medicaments Lepidium L. 



Fruit strongly compressed, with a linear partition 95 



95. Seeds horizontal, inserted in the middle of the cell. Radicle short, accum- 



bent ; cotyledons inserted behind the bend of the embryo. Petals 

 yellow. Median and lateral glands present. — Species 6. North 



Africa. Some are used medicinally Biscutella L. 



Seeds pendulous from the top of the cell. Petals, when present, white 

 red or violet 96 



96. Radicle incumbent ; cotyledons inserted behind the bend of the embryo. 



Style very short. Fruit reniform, wrinkled, indehiscent. ■ — Species 7. 

 Some of them are used medicinally. {Senebiera Fon.) Coronopus Gaertn. 

 Radicle accumbent ; cotyledons inserted at the bend of the embryo. 

 St\4c distinctly developed. Fruit ovate. Outer petals larger than 

 the inner. Median glands wanting. — Species 4. North-west Africa. 

 Some are used as ornamental plants or in medicine. " Candytuft.'* 



Iberis L. 



97. I'ruit dehiscing by two valves, globular, pricklj^ with a pierced partition. 



Style subulate, with short, blunt lobes. Seeds globose, with a thread- 

 shaped funicle. Radicle incumbent ; cotyledons folded, inserted 

 at the bend of the embryo. Sepals erect. Petals yellow. Herbs. 

 Leaves pinnatisect. — Species i. North-west Africa. Succowia Medik. 

 h>uit indehiscent, with a thick partition. Style conical. Seeds with a 

 very short funicle 98 



98. Fruit angular-subglobose, tubercled. Style very short, with short lobes. 



Seeds oblong. Radicle obliquely accumbent ; cotyledons inserted 

 behind the bend of the embryo. Sepals spreading. Petals yellow. 

 Herbs. Leaves pinnately divided. — Species i. North-east Africa 

 (Egypt) Ochthodium DC. 



