MATTHIOLA. NASItfETIinit. 25 



Suborder V. LOMENTAOE^. 



Siliole or silique dividing transversely into 1-seeded cells ; the 

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



Tr. XI. CAKILINEM. Silicle 2-jointed. 



30. Oaeilb. Silicle angular, of two 1-seeded iudehiscent 

 joints, upper joint deciduous with an erect seed, lower per- 

 sistent seedless or with a pendent seed. 



31. Cbambb. Silicle 2-jointed, upper joint globose with 1 

 seed pendent from a long curved seed-stalk springing fiom. 

 the bottom of the cell, lower joint barren stalHike. 



Tr. XEI. RAPHANEJE. Silique linear or oblong, terete or 

 moniliform. 



32. Raphanus. Silique linear or oblong, tapering upwards, 

 smooth and indehiscent, or moniliform and dividing trans- 

 versely into 1-seeded cells, lowermost cell barren imper- 

 fectly 2-valved staUdike. 



Suborder I. Siliquos(B. Tribe I. Arabidece. 

 1. Maithi'ola B. Br. Stock. 



tl. M. mcdna (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. Soary Stock. E. 



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

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

 —E. B. 462. R. ii. 45. — Fl. purple. — South and South-west 

 coasts. B. VI.— Vm. Sea Stock. E.I. 



2. CHEiEAif'THTrs Linn. WalMower. 



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

 bipartite adpressed hairs, pods tetragonal. — E. B. 1934. M. ii. 

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



E. S, I, 



3. Nastttb'tium B. Br. Water-Cress. 



1. N. offidndh (R. Br.) ; 1. pinnate, Its. ovate or oblong sub- 

 cordate sinuate-dentate, pet. twice as long as calyx {while), pods 

 linear. — E. B. 855. B. ii. 60. — Pods patent. When growing 

 out of water it is slender with small leaves and is iV. microphyl- 

 lum (R.) ; when remarkably luxuriant, many feet in length, the 

 stem often nearly an inch thick, and the leaves very large and 

 resembling those of a Sititn, it is If. siifolium (R.). — Running 

 water. P. VI. VII. Water-Cress. E. S. I. 



C 



