TETRADYNAMIA SILIQJJOSA. 157 
at the bafe, ere6l, parallel and deciduous. The flower 
is tetrapetalous and cruciform, the petals are fubovate, 
1 plain, patent, entire, and vifibly attenuated into ungues 
almoft the length of the cup. There are four ovate 
nedtariferous glands of which one is placed between the 
fhorter ftamen and the piftii, and the other betv/een the 
I longer (lamina and the cup. There are fix fubulated 
i ereS filaments, and two cf them are the length of the 
i cup, and four are longer; the antherai are eredt and a- 
cuminated. The germen is round and the length of the 
! ftamina, the (lyle is fhort and as thick as the germen, the 
; fliigma is headed and entire. The filiqua is long, round- 
I illi, depreffed on both fides ; the difiepim.entum is roujid- 
ifh, with a prominent apex, is bilocular and has two 
valves, the valvules are dorter than the dilfepi men turn. 
The feeds are numerous and globofe. 
Orientalis. Perfoliate Cahhage^ v/ith fmooth cordate 
leaves furrounding the dalk; thofe towards the root are 
fcabrous and entire, and the pods tetragonal. An. june. 
Olcracea. Sea Calbage with a round, flediy, daiky 
root. By Bolton Sand ftdes^ Lan. and at Arnjide- Point. 
IPeJi. Bien. 
Rapa., Pnrneps with a defhy, deprefied, orbicular 
daiky root. Bien. April. 
I Napus. Wild Navew with a fufiform daiky root. 
Among corn. May. 
Erucaftrum. Wild Rocket with dentato-pinnatifid 
leaves, a hifpid dalk and fmooth pods. On old v/alls,^ 
Per. May. 
SIN APIS. Mustard. 
The cup is tetraphyllous and patent, the leaves are 
linear, concavo-canaliculated, cruciform-patent and dc-' 
ciduous. The flower is tetrapetalous and cruciform, the 
petals are roundifh, plain, patent, and entire; the ungues 
are eredl, linear, and fcarcc the length of the cup. There 
are four nedariferous, ovate glands of which one is be- 
tween the fhort damen and thepidil, and one between the 
longer 
