e- 
Ciass XIV.—TETRADYNAMIA. 
ec 
Orper I.—SILICULOSA. 
450. CAKILE. Gertner. (Sea Rocket.) 
Silicle sublanceolate, 4-angled, biarticulate, 
separating ati the articulation; articulations dis- 
similar, the dower emarginate, each 1-seeded 
and valveless, 
Succulent herbaceous maritime plants, with alternate 
leaves, afier the manner of the whole class; fruiting 
branches racemose; flowers pale purple. 
Srecies. 1.C.* americana. Leaves carnose, entire, 
cuneate-oblong, obtuse, margin toothed; both articula- 
tions often seminiferous, uppermost ovate, acute. Har. 
©ommon on the strand of the sea-coast, and also on the 
shores of the great North Western Lakes of the St. Lau- 
rence. Certainly distinct from C. maritima. Ons. Plant 
large, much branched and subdecumbent, of a deep green, 
no way glaticous, leaves smooth and carnose; flowers in- 
_ €onspicuous, small; petals oval, claws slender; lower arti- 
- eulation of the fruit subterete, often equal with the upper, 
 -emarginate, producing on either side a small setaccous 
tooth. _ In fruit this species approaches Bunias, and seems 
a the iety of again uniting these 2 genera. 
genus there are 2 other species in Lurope. 
a5. pes L. (Whitlow-grass. ) 
_ Silicle entire, oval-oblong, valves flattish, 
Hel with the dissepiment. Wiyle scarcely 
"Stem Jeafy or partly naked, with the leaves radically 
‘stellate or divided as in Alysium. 
Gracies ‘LD: verna. 2. caroliniana. Petals and style 
none. 3. nivalis. 4, plabella. Pu. 5.nemoralis. Ops. Siem 
sparingly branched; radical leaves spathulate-oblong, cau- 
“fine few, sessile, ovate, subdentate, raceme very longs flow- 
Been 
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