Radicle accumbent; cotyledons inserted at the bend of the embryo. Style 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. Fruit dehiscing by two valves, globular, prickly, 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 1. North-west Africa. =Succowia= Medik. Fruit 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 1. North-east Africa (Egypt). =Ochthodium= DC. Fruit ovoid. Style rather long, with long lobes. Radicle incumbent; cotyledons folded, inserted at the bend of the embryo. Sepals erect. Petals rose-coloured. Spinous shrubs. Leaves undivided.--Species 2. North Africa to Nubia. =Zilla= Forsk. 99. (91.) Fruit compressed from the back or not compressed; hence partition as broad as the fruit. 100 Fruit laterally compressed; partition narrower than the fruit. 104 100. Seeds 4, in a single row, flat, with a long free funicle; radicle accumbent. Fruit with a soon vanishing partition; valves flat, without a distinct median nerve; style very short. Lateral sepals saccate. Petals violet. Only two lateral glands present. Leaves pinnately dissected. Fruit-stalks bent downwards. (See 92.). =Ricotia= L. Seeds more than 4, nearly always in two rows. Fruit with a persistent partition. Sepals not saccate. 101 101. Seeds flat, winged. Funicle adnate to the partition at the base. Radicle incumbent; cotyledons folded. Fruit with a stalk-like appendage at the base; valves slightly convex. Petals rose or violet. Leaves undivided or lobed.--Species 2. North Africa. Used medicinally. =Savignya= DC. Seeds turgid or flat but not winged. Funicle free. Radicle accumbent. Petals white or yellow. 102 102. Fruit-valves with a very faint median nerve not reaching the top, or without a distinct median nerve, convex. Seeds turgid. Style-apex lobed. Median and lateral glands developed. (See 70.) =Nasturtium= R. Br. Fruit-valves with a distinct median nerve reaching the top. Median glands wanting. 103 103. Fruit-valves distinctly convex. Seeds turgid. Style-apex truncate beneath the stigma. Petals white. Filaments curved.--Species 1. Naturalized in the Island of St. Helena. (Under _Cochlearia_ L.) =Kernera= Medik. Fruit-valves rather flat. Style-apex lobed or depressed beneath the stigma. Glands 4. Leaves undivided. (See 33.) =Draba= L.