Cardamine.] CRUCIFERAE. 37 



Pods flattened ; seeds compressed, 1-seriate ; flowers white 



2. Cardamine. 



Pods 4-sided ; seeds ovoid, 1-seriate ; flowers yellow Barbarea. 



Pods with a seedless indehiscent beak ; sepals pouched at the base ; 

 cotyledons incumbent : 



Beak of pod cylindric or conical ; seeds 1-seriate ; flowers yellow 



Brassica. 

 Beak flattened ; seeds 2-seriate ; flowers lilac, or yellow with lilac 



veins Eruca. 



Pods flat, short and broad, dehiscent : 



Pods with a rounded top ; style in a narrow cleft ; seeds 2...Lepidium. 

 Pods triangular ; style at the centre of the nearly flat top ; seeds many 



in each cell 3. Capsella. 



Pods of two globular indehiscent 1-seeded valves Senebiera. 



1. Nasturtium, Br. 



Terrestrial or aquatic branched glabrous or pubescent herbs. 

 Leaves entire, lobed or pinnatifid. Flowers small, racemose, 

 sometimes bracteate. Sepals spreading, not pouched at the base. 

 Petals cuneate, hardly clawed, yellow or rarely white or 0. Stamens 

 2, 4 or 6. Pod long or short, nearly cylindric ; valves faintly 

 1-nerved ; septum thin, transparent. Seeds small, turgid, 2- or 

 irregularly 1-seriate ; cotyledons accumbent. 



Flowers white ; leaves all pinnate ; plant glabrous, aquatic... 1. cfficinale. 

 Flowers yellow ; upper and middle leaves obovate, coarsely bluntly 



toothed 2. indicum. 



Flowers yellow ; all leaves bipinnatifid, teeth sharp... '6. madagascariense. 



1. NASTURTIUM OFFICINALE, Br. ; F. B. I. i. 133. 



Nilgiri Hills, probably introduced. The Watercress. 



2. NASTURTIUM INDICUM, DC. ; F. B. I. i. 134. N. madagas- 

 cariense, W. & A. 19 ; Wt. 111. t. 13 (not of DC.). 



Wet places in hilly Districts, Mysore, Coorg, Nilgiris, 

 Travancore. 



3. NASTURTIUM MADAGASCARIENSE, DC. Syst. ii. 192. 



Hills of the N. Circars in Ganjam and Godavari, at low 

 elevations. 



2. Cardamine, Linn. 



Herbs with entire lobed or pinnate leaves. Flowers white, pale 

 purple or violet or very rarely yellow. Sepals not pouched. Petals 



