NASTtTRTIUM. — BAKBAKEA . 
27 
growing out of water it is slender with small leaves (iV. micro- 
phylhim R.) ; when remarkably luxuriant, many feet in length, 
the stem often nearly an inch thick, and the leaves very large 
and resembling thoseof a itis X. slifo/imn (R.). — I Junning 
water. P. VI. VII. Water-Cress. E. S. I. 
2. X. strives tre (R. Br.) : creeping, 1. deeply pinnatifid, Its. 
oblong or lanceolate cut, uppermost 1. often nearly entire, />et. 
Dello)!' tvnce as lon<i as m/j/j-, pods linear. — E. II. 2324.— 
Fr.-stalks patent : pods patent or ascending, variable in 
length, usually as long as their stalks, sometimes shorter. — 
River-banks and wet places. P. VT. — VIII. E. S. I. 
3. X. palustre (DC.) ; root fibrous, lower 1. lyrate, upper I. 
deeply pinnatifid, Its. oblong toothed, />e^ ijellov not longer than 
the calyx, pods oblong thick. — X. terrestre (R. Br.). E. Jl. 
1747.— Fl. smaU. Fr.-stalks patent or deflexed : pods ascend- 
ing, short, about as long as their stalks. — Wet places. P. VI. — 
IX. E. 8. I. 
4. Bakbake'a R. Br. Rocket. 
1. B. vtt/gm~is (R. Br.) ; lotoer I. lyrate, upper pair of lobes 
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)^ — In damp 
places. B. ? V.— VIII. Yellow Rocket. E. S. I. 
2. B. stric'ta (Andrz. ex. Bess.) ; lower I. lyi-ate, upper jxiir 
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. — Sy. E. B. 122. R. ii. 47. 
B. ^Kirmflora (Fries.). — Pet. haK as long again as the calyx. 
Flowering raceme close. Fl. much smaller than in B. vulgaris. 
Pods short. Lateral lobes of the lowermost 1. very small, 
often obsolete. — By Thames near Kew. Yorkshire [itc] 
B. ? v.— VIII. E. 
t3. B. interraedia (Bor.) : lower 1. lyrate, upper pair of loljes 
equalling the breadth of the cordate-ovate term, lobe, upper I. 
all jnnnatifid, pods erect with a short conical point. — Sy. E. B. 
123. — St. with 2 or 3 angles, li — 2 ft. high. Raceme close. 
Pet. exceeiling calyx. Pods thict, short, angular. — Near Man- 
chester. N. of Ireland. B. V.— VIII. E.I. 
' Syme distiuguished B. arcuata K. by the yellower-greeu colour, large- tl., 
more persistent pet., laxer raceme with longer spreading pods, longer styles and 
smaller darker and narrower seeds.— H. & J. G. 
