54. CRUCIFERAE. 93- 



1. Fruit (silicula) not 3 times as long as broad. 2. 

 Fruit (siliqua) 3 or more times as long as broad. 4. 



2. Fruit indehiscent at maturity, seeds .solitary. 



5 SENEBIERA. 

 Fruit dehiscent at maturity. 3. 



3. Seeds solitary in each cell. Flowers minute. 



6 LEPIDIUM. 

 Seeds numerous in each cell. 7 CAPSELLA. 



4. Fruit with flat valves. 5» 

 Fruit with round backed, convex valves. 7. 



5. Stigma equally developed all round. Cotyledons twice folded. 



9 HELIOPHILA. 



Stigma more developed above the placentas than between 



them. Cotyledons not twice folded. 6. 



6. Fruit valves without distinct veins, opening elastically. 



3 CARDAMINE. 

 Fruit valves with distinct veins, not elastic. 2 ARABIS. 



7. Fruit transversely divided into two or more fertile cells. 



8 BRASSICA. 



Fruit not transversely septate, but sometimes produced into 



a seedless beak. 8. 



8. Radicle of embryo accumbent (0—). Water or marsh plants. 



1 NASTURTIUM. 

 Radicle of embryo incumbent (0 11). Weeds. 



4 SISYMBRIUM. 



1. NASTURTIUM R.Br. 



1. officinale R.Br. In pools along streams. 



2. fluviatiie E.M. In pools along streams. 



2. ARABIS L. 



perfoliata Lam. Banks of Mooi River, 4,000 ft. 



3. CARDAMINE L. 



africana L. Ravines. Inanda, 1,800 ft. 



4. SISYMBRIUM L. 



capense Thb. Near Verulam, 800 ft. 



5. SENEBIERA DC. 



pinnatifida DC. Introduced weed. 



6. LEPIDIUM L. "uMathoyisa." 



capense Thb. Very common weed. All over. 



7. CAPSELLA Vent. 



bursa-pastoris Moench. Weed, not very common. 



8. BRASSICA L 



strigosa DC. Coastbelt. 



9. HELIOPHILA L. 



1. woodii Conrath. Coast and Midlands. 



2. Bubulata Burch. Drakensberg. 



3. stricta Sond. Giants Castle, 10,000 ft. 



