SYNOPSIS OF THE GENEBA. 



28. CARDAMI-NE, [Page 922.] Siliqua linear lanceolate, valves 



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

 by a slender cord. Cotyledons flat, accumlient. O 



29. NASTUR'TIUM, [Page 926.] Siliqua nearly cylindrical, 



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

 spreading. Seeds small. Cotyledons accurabent. Q 

 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. Q^> Calyx erect. 



