220 88. CRUCIFERAE 



36. Fruit broadened or notched at the apex. — Species i. North Ahica 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 romulcd or pointed at the apex. (See 27.). Hutchinsia R. Br. 



37. (i.) 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 



;^8. 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 i. Island of Kerguelen. Used as a veget- 

 able and in medicine Pringlea Hook. hi. 



Fruit with a partition. Cotyledons folded or twisted ; radicle incum- 

 bent, 40 



40. Sepals connivent, the lateral saccate at the base. Petals white. Fruit 



oblong. Seeds flat. Cotyledons twice inflected lengthwise. Leaves 

 reniform-cordate, — Species i. South Africa (Cape Colon}-). 



Chamira Thunb, 

 Sepals erect, not saccate. Cotyledons rolled inwards or folded trans- 

 versely 41 



.41, Seeds turgid, separated by transverse partitions. Fruit linear. Petals 

 blue or red. Leaves linear. — Species i. South Africa (Cape Colony), 



Carponema Sond, 

 Seeds flat, not separated by transverse partitions, but the fruit often con- 

 stricted between the seeds. — Species 60. South Africa. Some are 

 used as ornamental plants. (Plate 54.) .... Heliophila L. 



42. Fruit i-seeded. Seed winged. Leaves thread-shaped. — Species i. 



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-seedcd. 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 N'cr}^ 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 



