2i 6. CETJCrFEK^. 



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

 smooth and indehiscent, or moniliform and dividing^ trans- 

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

 fectly 2-valved stalklike. 



Suborder I. Siliquosce. Tribe I. Arabidex. 

 1. Matthi'oia B. Br. Stock. 



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

 ceolate entire hoary, pods " cylindrical without glands."— ^j^, 

 M. B. 105. R. ii. 45.— Fl. of a full purple.— Cliffs in the Isle of 

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



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

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

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

 coasts. B. VI.— Vin. Sea Stock. E.I. 



2. Cheiean'thits Linn. Wallflower. 



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

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

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



E. S. I. 



■3. Nastur'tium B. Br. Water-Cress. 



1. N. officitidle (B. Br.) ; 1. pinnate, Its. ovate or oblong sub- 

 cordate sinuate-dentate, pet. twice as long as calyx (white), pods 

 linear. — E. B. 855. B. li. 50. — Pods patent. When growing 

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

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

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

 resembling those of a Sium, it is JV. siifoUum (E.). — Bunning 

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



2. N. sylves'tre (E. Br.); creeping, 1. deeply pinnatifid, Its. 

 oblong or lanceolate cut, uppermost 1. often nearly entire, pet. 

 tvnce as long as the calyx (yellow), pods linear. — E. B. 2324 — 

 Fr. -stalks patent ; pods patent or ascending, variable in length, 

 usually as long as their stalks, sometimes shorter. — Biver banks 

 and wet places. P. VI.— VIII. E. S. I. 



3. N. palus'tre (DC); root fibrous, lower 1. lyrate, upper 1. 

 deeply pinnatifid. Its. oblong toothed, ^el not longer than the 

 calyx, pods oblong thick. — N. terrestre Sm. E. B. 1747. — Fl. 

 small. Fr.-stalks patent or deflexed ; pods ascending, short, 

 about as long as their stalks. — Wet places. P. VI.— IX. 



E. S. I. 



