BARBABBA. 25 



cordate sinuate-dentate, pet. twice aa long as calyx (white),^ods 

 linear. — It. ii. 50. — Pools patent. Very variable. When grow- 

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

 phyUuni (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 Slum, it is N. siij'olium (K.). — Rmming 

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



2. N. selves' tr^ (R. Br.); root creeping, 1. deeply pinnatifid, 

 Its. oblong or lanceolate cut, iippermost 1. often nearly entire, 

 pet. twice as loug as the calyx (yellofv), pods linear. — Fr.-stalks 

 patent ; pods patent or ascending, variable in length, usually as 

 long as their stalks, sometimes shorter. — ^River banks and wet 

 places. P. VE.— VIII. ' E. S. I. 



3. -ZV. palus'tre (DO.) ; root jWrom, lower 1. lyrate, upper 1. 

 deeply pinnatifid, Its. oblong toothed, pet. not longer than the 

 calyx, pods oblong thick. — JV", terrestre Sm. — ^Fl. small. Fr.- 

 stalks patent or even deflexed ; pods ascending, short, about as 

 long AS their stalks.— Wet places. P. VI. — IX. E.S.I. 



4. Babbakb'a R. Br. Eocket. 



1, B. vulgdris (R. Br.) ; hwer I. lyrate, upper pair of lobes 

 equalling the ireadth of the large roundish suhcordate terminal 

 lobe, uppermost 1. undivided toothed, pods adpressed obliquely 

 erect or patent with a subulate point. — J2. ii. 47. — ^Pet. twice 

 aa long as the calyx.. Flowering raceme lax. Pods short. — 

 I cannot separate B. arcuata (Syme) from this species. — In 

 damp places. B. ? V.— VHI. TeUow Rocket. E. S. L 



2. B. stric'ta (Fries) ; lower I. lyrate, upper pair of lobes small 

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

 lobe, uppermost 1. undivided toothed, pods adpressed with a 

 subulate point. — R. ii. 47. B. parviflora Fries.— Pet. half as 

 long again as the calyx. Flowering raceme close. Fl. much 

 smaller than in B. vtilgaris. Pods short. Lateral lobes of the 

 lowermost 1. very small, often obsolete. — Between Sheffield and 

 Halifax and between Weedon and Blisworth, plentifully. Mr. 

 Borrer. York. B.? V.— VIH. B. 



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

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

 all pinnatifid, pods erect with a short conical point. — St. with 3 

 angles, Ij — 2 ft. high. Raceme close. Pet. exceeding calyx. 

 Pods thick, short, angular. -^Near Manchester and Armagh. — 

 B. v.— VIII. E.I. 



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