20 6. CRUCIFERZ. 
3. Nasturtium R. Br. 
1. N. officinale (R. Br.); 1. pinnate, Its. ovate or oblong sub- 
cordate smuate-dentate, pet. twice as long as calyx (white), pods 
linear.—E. B. 855. R. ii. 50.—Pods patent. Very variable. 
When growing out of water it is slender with small leaves and is 
N. microphyllum (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 Sium, it is N. siifolium (R.).— 
Brooks and ditches. P. VI. VII. Water Cress. 
2. N. sylvestre (R. Br.) ; root creeping, 1. deeply pmnatifid, Its. 
oblong or lanceolate cut, uppermost 1. often nearly entire, pet. 
twice 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.—N., patens 
(Bab.) is not the Sisym. anceps (Wahl.), see Fries Herb. Norm. 
vi. 18 !, and is not separable from this species.—River banks and 
wet places. P. VI—VIII. 
3. N. palustre (DC.); root fibrous, lower |. lyrate, upper 1. 
deeply pinnatifid, Its. oblong toothed, pet. as long as the calyz, 
pods oblong turgid.—N. terrestre Sm., £. B. 1747.—F. small. 
Fr.-stalks patent or even deflexed, pods ascending, short, about 
as long as their stalks.—Wet places. P. VI.—IX. 
4. Barsares R. Br. 
1. B. vulgaris (R. Br.); lower 1. lyrate, upper pair of lobes 
equalling the breadth of the large roundish subcordate terminal 
lobe, uppermost 1. undivided toothed, young pods obliquely erect. 
—E. B. 443. R.ii. 47.—Pet. twice as long as the calyx. Flower- 
ing raceme lax. Pods straight.—f. arcuata; young pods patent 
upon nearly horizontal pedicels—In damp places. B.? V.— VIII. 
Yellow Rocket. 
2. B. stricta (Fries); lower 1. lyrate, upper pair of lobes small 
much shorter than the breadth of the large oblong-ovate terminal 
Jobe, uppermost 1. undivided toothed, pods adpressed, style slender. 
—R. ii. 47. B. parviflora Fries.—Pet. half as long again as the 
calyx. Flowermg raceme close. Fl. much smaller than in B. 
vulgaris. Pods straight. Lateral lobes of the lowermost 1. very 
small, often obsolete ——Between Sheffield and Halifax and be- 
tween Weedon and Blisworth, plentifully. Jr. Borrer. York. 
B.? V.—VIIL. E. 
3. B. precor (R. Br.) ; lower 1. imparipmnate with large lobes, 
upper pair of lobes equalling the breadth of the subcordate ter- 
minal lobe, uppermost l. pinnatifid with linear-oblong entire lobes, 
style short and thick.—£. B. 1129. R. ii. 49. B. patula Fres.— 
