264 TETRADYNAMIA SILICULOSA. [CL. XT. 



12. CRAM'BE. Pouch globose, stalked, leathery, one-celled, 



without valves, deciduous. Seed solitary. 



13. CAKI'LE. Pouch angular, of two one-seeded joints, the 



upper deciduous. 



** Pouch notched at the top. 

 9. IBE'RIS. Pouch cleft, inversely heart-shaped. One seed in 



each cell. Two outer petals largest. 

 8. TEESDA'LIA. Pouch cleft, inversely heart-shaped, with 



keeled valves. Seeds two in each cell. Filaments bearing 



a scale at the base. 

 7. THLAS'PI. Pouch cleft, inversely heart-shaped ; valves with 



a bordered keel. Seeds numerous. 

 6. LEPrDIUM. Pouch cleft, elliptical, two- celled ; valves 



keeled. One seed in each cell. 



Order II. SILIQUOSA. Seeds inclosed in a long Pod. 

 1-5. CARD AMI'NE. Pod linear; valves flat, without ribs, nar- 

 rower than the partition. Seeds in two rows, on hair-like 

 stalks. 



14. DENTA'EIA. Pod lance-shaped ; valves flat, without ribs, 



narrower than the partition. Seeds on flat dilated stalks. 



16. A'RABIS. Pod linear ; valves flat, veined or ribbed. Seeds 



in one row. 



17. TURRI'TIS. Pod linear; valves flat, keeled. Seeds in two rows. 



18. NASTUR'TIUM. Pod nearly cylindrical; valves concave, 



without keels. Stigma obtuse, notched. Calyx spreading. 



19. SISYM'BRIUM. Pod nearly cylindrical. Stigma knobbed, 



notched. Calyx spreading. 



20. MATTHI'OLA. Pod nearly cylindrical, straight. Stigma of 



two converging lobes. Calyx closed, two of its leaves pro- 

 minent at the base. 



21. BARBA'REA. Pod four-cornered, two-edged. Seeds in one 



row. Calyx erect. Glands at the inside of the shorter fila- 

 ments. 



22. ERY'SIMUM. Pod four-cornered. Stigma knobbed, notched. 



Calyx closed. 



23. HES'PERIS. Pod four-cornered. Stigma with two converging 



lobes. Calyx closed, with two protuberances at the base. 



24. CHEIRANTHUS. Pod compressed, or two-edged. Stigma, 



knobbed, or with two spreading lobes. Calyx closed ; two 

 of its leaves prominent at the base. 



25. BRAS'SICA. Pod nearly cylindrical, beaked, two-valved. 



Seeds nearly globular. Calyx closed. 



26. SINATIS. Pod nearly cylindrical, somewhat beaked, two- 



valved. Seeds nearly globular. Calyx spreading. 



27. RA'PHANUS. Pod with imperfect bulging joints, without 



valves, Seeds globular. 



TETRADYNAMIA. SILICULOSA. 



1. SUBULA'RIA. AWL-WORT. 



Calyx erect, deciduous, of four equal, oval leaves. Petals 

 four, inversely egg-shaped, entire, their claws shorter than the 

 calyx. Filaments simple ; anthers two-lobed. Germen egg- 



