Petals white. Stigma entire or notched. Seeds not winged. 35 35. Valves of the fruit flat or slightly convex, with a faint middle-nerve; partition broad. Radicle accumbent. Leaves undivided. (See 33.) =Draba= L. Valves of the fruit boat-shaped; partition narrow. Radicle incumbent. 36 36. Fruit broadened or notched at the apex.--Species 1. North Africa and northern East Africa, also naturalized in South Africa and the islands of St. Helena and St. Thomas. Used medicinally. “Shepherds purse.” =Capsella= DC. Fruit rounded or pointed at the apex. (See 27.). =Hutchinsia= R. Br. 37. (1.) Stigma equally developed all round. Style-apex entire, rarely notched at right angles to the placentas. Cotyledons usually folded or twisted. [Tribe THELYPODIEAE.] 38 Stigma more developed above the placentas than between them. Style-apex entire or 2-lobed. [Tribe SINAPEAE.]. 45 38. Fruit at least 4 times as long as broad. 39 Fruit less than 4 times as long as broad. Cotyledons transversely folded or spirally twisted. 42 39. Fruit without a partition, oblong, with convex, angled valves. Seed-coat spongy. Cotyledons neither folded nor twisted; radicle accumbent. Leaves roundish.--Species 1. Island of Kerguelen. Used as a vegetable and in medicine. =Pringlea= Hook. fil. Fruit with a partition. Cotyledons folded or twisted; radicle incumbent. 40 40. Sepals connivent, the lateral saccate at the base. Petals white. Fruit oblong. Seeds flat. Cotyledons twice inflected lengthwise. Leaves reniform-cordate.--Species 1. South Africa (Cape Colony). =Chamira= Thunb. Sepals erect, not saccate. Cotyledons rolled inwards or folded transversely. 41 41. Seeds turgid, separated by transverse partitions. Fruit linear. Petals blue or red. Leaves linear.--Species 1. South Africa (Cape Colony). =Carponema= Sond. Seeds flat, not separated by transverse partitions, but the fruit often constricted between the seeds.--Species 60. South Africa. Some are used as ornamental plants. (Plate 54.) =Heliophila= L. 42. Fruit 1-seeded. Seed winged. Leaves thread-shaped.--Species 1. South Africa (Cape Colony). =Palmstruckia= Sond. Fruit 2-or more-seeded. 43 43. Fruit dehiscent, rather flat, with usually more than 2 seeds. (See 41.) =Heliophila= L. Fruit indehiscent, 2-seeded. Leaves linear or lanceolate. 44 44. Fruit compressed dorsally; valves with elevated ridges radiating from the centre. Style long. Seeds flat; cotyledons folded. Petals red.--Species 2. South Africa (Cape Colony). =Cycloptychis= E. Mey. Fruit compressed laterally; valves ventricose; dissepiment very narrow. Style short. Seeds subglobose; cotyledons involute. Petals yellow or red.--Species 2. South Africa (Cape Colony). =Brachycarpaea= DC. 45. (37.) Fruit at least 4 times as long as broad. 46 Fruit less than 4 times as long as broad, or broader than long. 77 46. Fruit transversely divided into two or more fertile cells. Cotyledons folded; radicle incumbent. [Subtribe BRASSICINAE.] 47