SYNOPSIS OF THE GENERA. 



28. Cakdami'ne, [Page 922.] Siliqua linesLY lanceolate, valves 



fiat, rib- less, separating elastically. Seeds ovate, attached 

 by a slender cord. Cotyledons flat, accumlient. 0= 



29. Nastur'tium, [Page 926.] Siliqua nearly cylindrical, 



linear. Stigma sub-bilobate. Calyx equal at the base, 

 spreading. Seeds small. Cotyledons accumbent. 0= 

 2. Siliqua with the valves permanently closed. 



30. Rapha'nus, [Page 928.] Siliqua linear, oblong, or sub- 



conical, smooth, and inseparable, or beaded and separating 

 at the joints, many seeded. Seeds round, pendulous. 

 Cotyledons conduplicate. ^^ Calyx erect. 



