18 
6. CRUCIFER^E. 
25. IIuTCHiNSiA. Po7tch eWiiiticaX, entire: boatsliaped, 
keeled not ivint/ed at the back. Seeds 2 in each cell. Pet. 
equal. Pilaments simple. 
21). Teesdalia. Pouch roundish notched : jjatoes hoatshaped, 
their back keeled below narrowly winged above. Seeds 2 in 
each cell. Pet. equal or 2 outer ones larger. Filaments 
with a little scale at the base of each within. 
27 . Iberis. Pouch ovate or roundish, notched: valves boat- 
shajjcd, winged at the hack. Seeds 1 in each cell. Pet. 
unequal, 2 outer ones much larger. Filaments simple. 
Tr. VIII, LEPIDINEjF. Cotyledons incumbent. 
28. Lepidium. Pouch roundish or oblong, entire or notched : 
valves com])ressed, keeled or winged at the back. Seeds 1 
in each cell. Filaments sim])le. 
2!1. Capsella. Pouch triangular-ohcordate ; valves com- 
pressed, keeled but not winged. Seeds numerous. Fila- 
ments sim})le. 
Tr. IX. SUBULARIEyE. Cotyledons incumbent, long, linear, 
cuiwed back above their base. Cells many-seeded. 
30. SuBULARiA. Pouch oval-ohlong, laterally eompressed ; 
valves hoatshaped. 
Tr. X. SENEBIEREyE. Cotyledons incumbent, long, hnear, 
curved hack above their base. Cells one-seeded. 
31. Senebiera. Pouch somewhat kidney-shaped, entire at 
the end, or notched above and below and almost 2-lobed, 
not biu'sting. Cells 1 -seeded. 
Suborder IV. NUCUMENTACE7E. 
Pouch (silicic) scarcely dehiscent, often 1-celled owing to the 
absence of the (hssepiment. 
Tr. XI. ISATIDE.AS. Cotyledons incumbent. 
32. IsATis. Pouch laterally compressed, 1-celled, 1-seeded: 
valves keeled, eventually separating. Cotyl. shghtly chan- 
neled. 
Suborder V. LOMENTACEJE. 
Silicic or silique dividing transversely in single-seeded cells, the 
true silique often baiTen, all the seeds being in the beak. 
Tr. XII. CAKILINEJE. Cotyledons accumbent. 
33. Cakile. Silicic angular, of two 1-seeded indehiscent 
