MATTHIOLA. CHEIRANTHUS. 21 



30. SENEBIERA. Pouch broader than long, somewhat kidney- 

 shaped, entire at the end, or notched above and below and 

 almost 2-lobed, not bursting. Cells 1 -seeded. 



Suborder IV. NUCUMENTACE.E. 



Pouch (silicic) scarcely dehiscent, often 1 -celled, owing to the 

 absence of the dissepiment. 



Tr. XL ISATIDE^E. Cotyledons incumbent. 



31. ISATIS. Pouch laterally compressed, 1 -celled, 1 -seeded; 

 valves keeled, eventually separating. 



Suborder V. LOMENTACE^. 



Silicle or silique dividing transversely in single-seeded cells, 

 the true silique often barren, all the seeds being in the beak. 



Tr. XII. CAKILINE^. Cotyledons accumbent. 



32. CAKTLE. Silicle 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. RAPHANE^. Cotyledons conduplicate. 



33. CRAM BE. 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. 



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. Siliquoste. Tribe I. Arabidece. 



1. MATTHIOLA R. Br. Stock. 



1. M. incana (R. Br.) ; st. shrubby upright branched, 1. lan- 

 ceolate entire hoary, pods " cylindrical without glands." E. B. 

 1935. R. ii. 45. Fl. of a full purple. Cliffs in the Isle of 

 Wight. P. V. VI. Hoary Stock. E. 



2. M. sinuata (R. Br.) ; st. herbaceous diffuse, 1. oblong 

 downy, lower I. sinuate, pods compressed muricated with glands. 

 E. B. 462. R. ii. 45. Fl. purple. Sandy sea-coasts of Wales, 

 Cornwall, Wexford and Jersey. B. VI. VIII. Sea Stock. E.I. 



2. CHEIRANTHUS Linn. Wallflower. 



tl. C. Cheiri (L.) ; st. shrubby, 1. lanceolate acute entire with 

 bipartite adpressed hairs, pods tetragonal. E. B. 1934. JR. ii. 45. 

 Fl. yellow or tinged with red. Old walls. P. IV. V. 



