18 
crucifera;. 
Suborder V. LOMENTACEyE. 
Pouch or pod dividing transversely in single-seeded cells, the 
true silique often barren, all the seeds being in the beak. 
Tr. XII. CAKILWEJE. Cotyledons accumbent. 
33. Cakile. Pouch angular, of two 1 -seeded indehiscent 
joints, upper joint deciduous with an erect seed, lower per- 
sistent seedless or with a pendent seed. 
Tr. XIII. RAPHANEJE. Cotyledons conduplicate. 
34. Crambe. Pouch 2-jointed, upper joint globose with 1 
seed pendent from a long curved funiculus springing from 
the bottom of the cell, lower joint barren resembling a 
pedicel. 
35. Raphanus. Pod linear or oblong, tapering upwards, 
smooth and indehiscent, or moniliform and dividing trans- 
versely into 1-seeded cells, lowermost cell barren imperfectly 
2-valved resembling a pedicel. 
Suborder I. Siliquosce. Tribe I. Arabidecs. 
1. Matthiola R. Br. 
1. M. incana (R. Br.) ; st. shrubby upright branched, 1. lan- 
ceolate entire hoarv, pods " cylindrical without glands." — E. B. 
1935. R. 4354.— Fl. dull pale red.— Cliffs in the Isle of Wight. 
P. V. VI. Hoary Stock. E. 
2. M. sinnata (R. Br.) ; st. herbaceous diffuse, 1. oblong 
downy, lower I. sinuated, pods compressed mifncarerf with glands. 
— E. B. 462. R. 4350. — Fl. purple. — Sandy sea-coasts of Wales, 
Cornwall and Jersey. B. VI.— VIII. Sea Stock. E.I. 
2. Cheiranthus Linn. 
fl. C. Cheiri (L.) ; st. shrubby, 1. lanceolate acute entire with 
bipartite adpressed hairs, pods tetragonal. — E. B. 1934. R. 
4347. — Fl. yellow or tinged with red. A variety with very nar- 
row petals is found upon the walls of the Abbey of Bury St. Ed- 
monds. — Old walls. P. IV. V. Common Walljiower. 
3. Nasturtium R. Br. 
1. N. officinale (R. Br.) ; pods linear about as long as their 
pedicels, 1. pinnate, leaflets ovate or oblong subcordate sinuate- 
dentate.— E. B. S55. R. 4359— Fl. white. Pods patent. Very 
variable in size and in the form and size of its leaves. When 
growing out of water it is slender with small leaves and is 
N. microphylhnn (R. 4360) ; when remarkably luxuriant, many 
