TETRAD YNAMI A SILICULOSA. 
137 
class xv. 
TETRADYNAMIA 
SILICULOSJ- 
SILIQTJOSA. 
397 CAKILE, 
398 DRABA, 
399 CORONOPUS, 
400 LEPIDIUM, 
401 THLASP1. 
402 DENTARIA, 
403 CARDAMINE, 
404 SISYMBRIUM, 
405 ERYSIMUM, 
406 ARABIS, 
407 CLEOME. 
CAKILE. G^rt. 
Silicula lanceolata, 
subtetragona, medio 
utrinque dente in- 
structa, biarticulata, 
ad articulos secedens; 
articulis monosperm- 
is, evalvibus. 
1, Americana. Nutt. 
C. foliis carnosis, 
glaberrimis, spathulato 
ovatis, sinuatis; lobis 
obtusis, subdentatis ; 
articulo siliquae inferi- 
ore subtereti, superi- 
ore compresso. 
Nuttall 2. p. 62. 
€. Maritima. Pursh 2. p. 434. 
Pod lanceolate, 
somewhat 4-angled, 
toothed near the mid- 
dle on each side, 2- 
jointed, separating at 
the joints. Joints I - 
seeded, without valves, 
Leaves fleshy, gla- 
brous, spathulate-o- 
vate, sinuate ; lobes 
obtuse, toothed; low- 
er joint of the pod 
somewhat terete, the 
upper compressed. 
VOL. II. 
s 
