GENERA. Ivii 



41. LEPIDIUM. Silicle elliptic, emarginate. Valves keeled. CcUs l-seeded. Eil. 

 >s'itliout teeth. Sep. equal. Vet. e(iusl, wkite. p. 16. 



42. BIVOWEA. Silicle oval, emarginate.. Valves winged. Seeds 2-6. L. undivided; 



tipper somewhat cordate. Fl. yellow, p. 17. 



43. -^jTHIONEMA. Silicle oval. Valves boat- shaped. Keel winged. Seeds 2 or 

 more ia each cell. Fil. without teeth. Two Sep. gibbous at base. Pet. nearly equal. Fl. in 

 a, corymb. Fr. in a raceme, p. 17. 



44. SUBULAIIIA. Silicle entire. Valves tumid. Seeds numerous. Cotyledons linear, 

 doubled in themselves. A humble plant, mostly under water, p. 17. 



45. SENEBIERA. Silicle wrinkled, not splitting. Cells l-seeded. Cotyledons linear, 

 doubled in themselves, p. 17. 



Tribe III. JLTSSINFM 

 A. Silicle nearly as thick as broad,, 



46. COCHLEAE.IA. Fil. toothless. Pouch nearly entire, turgid, wrinkled. Seeds nu- 

 merous. Scurvy-grass, p. 17. 



47. VESICARIA. Shorter Fil. with an obtuse tooth at base. Seeds numerous. Hairy, 

 and somewhat woody plants, p. 18. 



B. Silicle compressed. 

 i. Shorter Fil. v;ith a tooth or wing. 



48. PARSETIA. Silicle entii-e, flat. Cal. bisaccate. Seeds with a broad border ; more 

 than 4 ovules in a ceU. Stem erect. Cor. at first yellow, but becoming white, p. 18. 



. 49. AUBRIETIA. Silicle entire. Valves very convex. Seeds without a border, more 

 than 4 in a cell. Cal. bisaccate. Forms cushions. Fl. lilac, p. 18. 



50. BEBTEROA. Silicle entii-e. Seeds with a very narrow margin. Sepals alike. Pet. 

 cloven. Shorter Fil. toothed. Plants with stellate hairs. L. undivided, p. 18. 



51. ALYSSUM. Silicle entire. (Valves flat, or with a convex centre, DC.) Sepals alike. 

 Pet. entire. Seeds l-4s in each cell. L. undivided, p. 18. 



ii. Fil, all simple. 



52. KONIG-A. Silicle oval, compressed. Seeds margined, 1 or 2 in each cell, pendulous ; 

 stalk attached to dissepiment. Plant rather woody at base. L. lineari-lanceolate, quite entire. 

 p. 19. 



53. PETROCALLIS. Silicle entire. Seeds without a margin, 2 in each cell. Seed- 

 stalk attached to the dissepiment. Tufted. L. somewhat cuneiform, trifid. Fl. pink. p. 19. 



54. DE.ABA. Silicle entire. Seeds many, without a margin. Seed-stalks free. Sep. 

 equal. Pet. entii'e. L. tmdivided. p. 20. 



55. LUIf ARIA. Silicle stalked (within the calyx). Seeds many, bordered. Seed-stalk 

 attached to dissepiment. Cal. somewhat bisaccate. Tall, erect, branchedplants. Fl. purple. -^.21. 



C. Seed-vessel with only 1 cell !. 



56. PELTARIA. Seeds 1-4. Silicle not opening, surrounded by a filiform margin, flat. 

 Fil. toothless, smooth. L. sagittate. Fl. white, p. 21. 



57. CLYPEOLA. Silicle with a flat margin, not opening. Seed solitary. Fil. alato- 

 dentate. Sep. equal. Pet. entire. Small Annuals, loith stellate pubescence, and minute yellow 

 Fl. p. 21. 



