Class XV. Order II. 251 



shaped at base, closely sessile. Flowers small, white. Silicic 

 smooth, inversely heart shaped, crowned with the short style.* 

 Annual. 



267. BUNIAS. 



*BUNIAS EDENTULA. Flor.Bost. 1st edit. American Sea Rocket. 



Bunias foliis obovatis, sinuatis ; siliculis gla- 

 bris, articulis binis, monospermis, edentulis. 



Leaves obovate, sinuate ; silicles with two smooth, 

 one seeded, toothless joints. 



Syn. CAKILE AMERICANA. Nutt. 



A fleshy, maritime plant, found on various parts of the sea 

 coast. Stem glabrous, flexuous, deeply and irregularly furrowed, 

 very much branched. Leaves fleshy, smooth, obovate, toothed 

 and sinuated, caducous. Branches axillary, leafy. Spikes or 

 racemes terminal. Flowers on short, fleshy peduncles. Calyx 

 of four erect, fleshy segments. Petals spreading, rounded at the 

 end. Stamens nearly equal, longer than the calyx. Stigma con- 

 cave. Silicles smooth, roundish, consisting of two one seeded 

 joints, the lower one somewhat globular, without teeth or promi- 

 nences, marked on each side with a longitudinal, depressed line, 

 sometimes abortive. Upper joint ovate, round, marked on each 

 side with an elevated line, terminating in a flat, emarginate, or 

 three toothed beak. Seeds facing different ways. The silicle 

 is drupaceous, and in drying becomes quadrangular. The plant 

 is succulent and heavy. Grows abundantly at Cape Ann. Found 

 also at South Boston. July. Annual. 



SIL1QUOSA. 



268. ARABIS. 



ARABIS FALCATA. MX. Sickle Pod. 



Leaves lanceolate, remotely toothed, sessile ; si- 

 liques pendulous, two edged, ialcate. 



Stern two or three feet high, round, smooth. Leaves sessile, 

 mostly lanceolate with a few remote teeth ; the lower ones 

 sometimes sagittate and clasping. Raceme terminal. Flowers 

 very small, white. Pods long and curved, resembling a crooked 



