22 
6. CKTTCIFEE-B. 
Tr. XI. ISATIDE^. 
31. IsATis. Pouch laterally compressed, 1-celled, 1-seeded ; 
valves keeled, eventually separating. Cotyledons incum- 
bent. 
Suborder V. LOMENTACE^. ^ 
Silicle or silique dividing transversely into 1-seeded cells, the 
true silique often barren, aU the seeds being in. the beak. 
Tr. Xn. CAKILINEjE. Silicle 2-jointed. 
32. Cakile. Silicle angular, of two 1-seeded indehiscent 
joints, upper joint deciduous with an erect seed, lower per- 
sistent seedless or with a pendent seed. 
33. Cbasibk. Silicle 2-jointed, upper joint globose with 1 
seed pendent from a long curved seed-stalk springing from 
the bottom of the cell, lower joint barren stalklike. 
Tr. XIII. EAPHANEJi. Silique linear or oblong, terete or 
moniliform. 
34. Raphanus. Silique linear or oblong, tapering upwards, 
smooth and indehiscent, or moniliform and dividing trans- 
versely into 1-seeded cells, lowermost cell barren imperfectly 
2-valved stalklike. 
Suborder I. Siliquosce. Tribe I. Arabidea. 
1. Matthi'ola E. Br. Stock. 
fl. M. incdna (R. Br.) ; st. shrubby upright branched, 1. lan- 
ceolate entire hoary, pods " cylindrical without glands." — E. B. 
1935. H. ii. 45.— Fl. of a full pm-ple.— Clifls in the Isle of 
Wight. P. V. VI. Hoary Stock. E. 
2. M. sinudta. (R. Br.) ; st. herbaceous diffuse, 1. oblong 
downy, lower I. simiate, pods compressed muricated -with glands. 
— E. B. 4(52. jR. ii. 45. — Fl. purple. — South and South-west 
coasts. B. VI.— VIII. Sea Stock. E. I. 
2. Cheiran'thus Linn. Wallflower. 
*1. C. Cheiri (L.) ; st. shrubby, 1. lanceolate acute entire with 
bipartite adpressed hairs, pods tetragonal. — E. B. 1934. R. ii. 45. 
— Fl. yellow or tinged vdth red.— Old walls. P. IV. V. E. S. I. 
3. Nasttjr'tium B. Br. Water-Cress. 
1. N. officinale (R. Br.) ; 1. pinnate, Its. ovate or oblong sub- 
cordate sinuate-dentate, pet. twice as long as calyx (white), pods 
