RADICULA. BARBAREA. 27 



growing out of water it is slender with small leaves (N. micro- 

 phi/llum R.) ; when remarkably luxuriant, many feet in length, 

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

 und resembling those of a Sium, it is N. siifolium (R.). Running 

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



*2. It. pinndta (Moench) ; creeping, 1. deeply pinnatifid, Its. 

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

 yellow twice, as lone/ as caly.r, pods linear. E. B. 2324. 

 N sylnestre (R. Br.) ed. viii. Fr.-stalks patent ; pods patent or 

 ascending, variable in length, usually as long as their stalks, 

 sometimes shorter. River-banks and wet places. P. VI. VIII. 



E. S. I. 



3. R. palus'tris (Moench) ; root fibrous, lower 1. lyrate, upper 1. 

 deeply pinnatitid, Its, oblong toothed, pet . yellow not longer than 

 the calyx, pods oblong thick. N. terrestre Sin. E. B. 1747. 

 Fl. small. Fr.-stalks patent or detiexed ; pods ascending, 

 short, about as long as their stalks, Wet places. P. VI. 



ix. E. s. r. 



4. BAEBARE'A R. Br. Rocket. 



1. B.vulgdris (R. Br.) ; lower 1. lyrate, upper pair of lole* 

 equalling the breadth of the large roundish subcordate. terminal 

 lobe, uppermost 1. undivided toothed, pods adpressed obliquely 

 erect or patent with a subulate point. E. B. 443. R. ii. 47. 

 Pet. twice as long as the calyx. Flowering- raceme lax. Pods 

 short. I cannot separate B. arcuata (Sy. E. B. 121) 1 . In damp 

 places. B. ? V. VIII. Yellow Rocket. E. S. I. 



2. B. stric'ta (Andrz.); lower 1. lyrate, upper pair of lobes small Q. 

 much shorter than the breadth of the large oblong-ovate terminal 

 lobe, uppermost 1. undivided toothed, pods adpressed with 

 subulate point. Sy. E. B. 122. R. ii. 47. B. parviflora Fries. . 



Pet. half as long again as the calyx. Flowering raceme close. j*o$ f 

 Fl. much smaller than in B. culyaris. Pods short. Lateral 

 lobes of the lowermost 1. very small, often obsolete. By 

 Thames near Kew. Yorkshire [&c.] B. ? V. VIII. E. 



t3. B. intermedia (Bor.) ; lower 1. lyrate, upper pair of lobes 

 equalling the breadth of the cordate-ovate term, lobe, upper 1. 

 all pinnatrfid, pods erect with a short conical point. Sy. E. B. 

 123. St. with 2 or 3 angles, 1 j 2 ft. high. Raceme close. 

 Pet. exceeding calyx. Pods thick, short, angular. Near Man- 

 chester. N. of Ireland. B. V. VIII. E.I. 



1 Syme distinguished B. arcuata K. by the yellower-green colour, 

 larger fi., more persistent pet., laxer raceme with longer spreading pods, 

 longer styles and smaller darker and narrower seeds. H. & J. G. 



c2 



