_ 69 - NATURAL ORDERS. 



CRUCIFER/E. Herbs with racemose inflorescences, usually without bracts or 

 bracteoles. Flowers aotinomorphic. Floral formula K 2 -f 2, C 2 -f 2, A 2 + 4, G (2). 

 Corolla cruciform. Two outer stamens short, four inner ones long. Bilocular ovary with 

 false septum and parietal placentation. Fruit a siliqua or silicula. 



123. Flower.- -Draw the example provided, showing the calyx and cruciform corolla. 

 Then carefully remove the perianth and draw a side view of the andrcecium and gynoecium. 

 Notice the nectaries at the base of the stamens. Cut a transverse section through the ovary 

 and then make a floral diagram of the flower. 



124. Fruit. Draw the fruits provided, showing the dehiscent capsule with false 

 septum and contained seeds. 



