CISTALS. 140 
1. N. officinale Brown.—(Watercress.) Fig. 201. 
Leaves pinnated ; leaflets repand, the lateral elliptical, the terminal ovate, 
rather cordate. 
Habitat. Running streams. 
Quality. Pungent, antiscorbutic. 
Uses, A favourite salad. 
Cocutgaria, Linnceus. 
Silicle globose, with very convex valves. Seeds numerous. Embryo 
1. C. officinalis Linneeus.—(Scurvy-erass.) Fig. 202. : 
Radical leaves broadly ovate, rather cordate ; the upper amplexicaul ; valves 
of the silicle one-ribbed. An annual. 
Habitat. Sea-coast of Europe. 
Quality. Stimulant, aperient, diuretic, antiscorbutic. 
Uses. Visceral obstructions ; salads. 
€ 
2. C. Armoracia Linneus.—(Horse-rapisu.) Fig. 203. ae 
Radical leaves cordate, or obovate-oblong, crenate ; valves of the silicle 
less. A tap-rooted perennial. 
5 eotinelnan linet 
embryo 
. Fig. 201.—Nasturtium officinale ; a, the silique in the act of dehiscing; b, a seed; ¢, a0 
Cochlearia officinalis; 6, its siliele in the act of dehiseing. Shoecae ag 
