Fruit-valves without an appendage, but the style sometimes appendaged. 7 4. Fruit-valves with a basal appendage. Seeds margined. Style appendaged at the base. Petals violet. Lateral sepals gibbous at the base. Herbs covered with glandular tubercles.--Species 1. North Africa. =Lonchophora= Dur. Fruit-valves with an apical appendage. Seeds not margined. Petals white, yellow, or red. Plants without glandular tubercles. 5 5. Fruit-valves with a forked appendage. Petals pink. Leaves linear, entire. Undershrubs.--Species 1. Canary Islands. =Parolinia= Webb Fruit-valves with an entire appendage. 6 6. Fruit-valves with a blunt appendage below the apex. Petals red. Leaves oblong or ovate, sinuate or toothed. Undershrubs with star-shaped hairs.--Species 5. East Africa. =Diceratella= Boiss. Fruit-valves with a pointed appendage at the apex. Petals white or yellow. Leaves linear. Herbs with 2-cleft hairs.--Species 1. North Africa. =Notoceras= R. Br. 7. Lateral glands alone present, one on each side of the lateral stamens. Stigmatic lobes usually long and erect, but sometimes united. 8 Lateral and median (anterior and posterior) glands present, sometimes blended into a ring. Stigmatic lobes usually short and spreading or indistinctly developed. 14 8. Plants covered with glandular tubercles. Style with a dorsal gibbosity; stigma not sharply limited. Seeds flat; radicle accumbent.--Species 15. North, East, and South Africa. Some are used as ornamental plants or in medicine. “Stock.” =Matthiola= R. Br. Plants without glandular tubercles. Stigma more or less sharply limited at the base. 9. Longer filaments united to the top. Sepals connivent. Petals linear, white or pink. Seeds minute, in two rows. Bracts leaf-like. Leaves divided into narrow segments.--Species 1. North-east Africa (Egypt). =Leptaleum= DC. Longer filaments free or slightly cohering. 10 10. Seeds thick; radicle incumbent. Fruit-valves more or less convex. Petals white or pink.--Species 10. North Africa. Some are used as ornamental plants. (Including _Maresia_ Pomel). =Malcolmia= R. Br. Seeds flat; radicle accumbent. 11 11. Fruit-valves convex, with a faint middle-nerve, constricted between the seeds. Sepals saccate at the base. Petals pink. Hairs stellate.--Species 3. North Africa. (Under _Farsetia_ Desv. or _Malcolmia_ R. Br.). =Eremobium= Boiss. Fruit-valves flat, sometimes keeled. 12 12. Fruit-valves projecting inwards between the seeds, thick, obtusely angled. Stigma acutely 2-lobed. Sepals erect. Petals pink.--Species 3. North and East Africa. =Morettia= DC. Fruit-valves not projecting between the seeds. 13 13. Petals purple, narrow. Sepals erect, not saccate. Stigma acutely 2-lobed. Seeds winged. Leaves narrow. Hairs 2-cleft.--Species 13. East and North Africa. Some are used medicinally. =Farsetia= Desv.