i ?02 TETRADYxNAM. SILICULOSA. Draba. 
BRASSICA. Siliqua tcretluscula. Sem. globosa, 
BRASSICA.' Glands, 2 within the shorter stamens \ 
2 on the outside the longer stamens. 
* * Calyx hlans, foliolis superne distantlbus. 
2. Cup open^ the leajils wide asunder upwards. 
CARDAMINE, Siliqua elastice dissiliens, valvu- 
lis revolutis. Stigma integrum. Cal. subiiians. 
CARDAMINE. Pod opening. WAvts rolling back. 
SISYMBRIUM. Siliqua dehisceiis valvulis recti- 
uscuiis Cal. patulus. 
SISYMBRIUM. Pod opening. Valves nearly 
straight Cup open. 
^SlNAPIS. Siliqua teretiuscula, dissepimento pro- 
mi netite, Cal. horizontaliter patens, 
SINAPIS. Pod opening. Cup expanding horizon* 
tally. 
TETRADYNAMIA. 
1 SILICULOSA.' 
DRABA. Smith. 677. With.' 565. 
' Silicula Integra, ovali-obionga : valvulis pla- 
riiusculis, dissepimento parallelis, Stylus 
■ vix ullus. 
Pouch entire, elliptical-ohlong, rather com* 
pressed. Valves Jlat, parallel t» the par* 
iition. Style none. 
