Ord. 2.] TETR ADYNAMIA SILIOUOSA. 131 



327. IBeRIS. Pouch cloven, inversely heart-shaped. Seeds soli- 



tary ; 2 outer petals largest. 

 323. TEESDA.LI A. Pouch cloven, inversely heart-shaped ; valves 

 keeled. Seeds 2 in each cell. Filam. each bearing a scale 

 at the base. 



** Cotyledons incumbent. 



317. SUBULA.RI A. Pouch entire, transversely compressed ; valves 

 tumid. Seeds numerous. Cotyledons linear. 



328. ISA.TIS. Pouch entire, deciduous, bordered, transversely com- 



pressed, of 2 valves, and 1 cell. Seed solitary. 



320. CAMELlNA. Pouch entire; valves tumid. Seeds numerous, 



not bordered. Filam. all simple. 

 325. SENEBIeRA. Pouch nearly entire, transversely compressed, 

 wrinkled, of 2 cells, without valves. Seeds solitary in each cell. 



321. LEPlDIUM. Pouch cloven, elliptical, of 2 cells, and 2 keeled 



valves. Seeds solitary in each cell. 



Order II. SILIQUOSA. Fruit a long many -seeded pod. 



* Cotyledons fiat, accumbent. 



337. CHEIRANTHUS. Pod rather compressed, straight. Stigma 



either of 2 spreading lobes, or capitate. Cal. closed ; 2 of its 

 leaves prominent at the base. 



338. MATTHlOLA. Pod nearly cylindrical, straight. Stigma of 2 



converging lobes, either thickened or protuberant at the back. 

 Cal. closed ; two of the leaves prominent at the base. 



333. NASTURTIUM. Pod nearly cylindrical, oblique ; valves con- 



cave, without keels. Stigma obtuse, notched. Cal. spreading, 

 equal at the base. 



335. BARB ARE A. Pod quadrangular, two-edged. Seeds in a single 



row. Cal. erect. Glands at the inside of the shorter filaments. 



340. ARABIS. Pod linear ; valves flat. Seeds in a single row. 



341. TURRlTIS. PodYmeaT; valves flat, keeled. Seeds in a double 



row. 



332. CARD AMlNE. Pod linear ; valves flat, without ribs, bursting 

 elastically from the base. Seeds on capillary stalks. 



331. DENTAR1 A. Pod lanceolate ; valves flat/without ribs, nar- 

 rower than the partition, bursting elastically from the base. 

 Seeds on flat, dilated stalks. 



** Cotyledons fiat, incumbent. 



334. SISYMBRIUM. Pod nearly cylindrical. Stigma capitate, 



notched. 



339. HeS PERIS. Pod inaccurately quadrangular. Stigma nearly 



sessile, of two converging lobes. Cal. closed ; with 2 protube- 

 rances at the base. Seeds not bordered. 



336. ERYSIMUM. Pod quadrangular. Stigma capitate, notched 



