Nasttjbtium.] CRUCIFER^. 39 



Pods long or short, beaked ; coty- 

 ledone folded longitndinally. 



Flowers yellow, seeds in 1 row . 6. Beassioa. 



Flowers lilac or yellow veined 

 with purple, seeds in 2 rows . 7. Eeuca. 

 Pods short, compressed laterally (at rightt 

 angles to septum); cotyledons incum- 

 hent. 



Pods many-seeded, valves not winged 8. Capsella. 

 Pods few-seeded, valves winged . 10. Lepidium, 



Pods long or short, indehiscent. 



Pods broader than long, not beaked 9. Senebieea. 



Pods elongate, beaked . . .11. Eaphanus. 



1. NASTURTIUM, E. Br.; Fl. Brit. Ind. i. 133. 



Terrestrial or aquatic branching herbs, glabrous or hairy. Leaves 

 lobed or pinnatitid, rarely entire. Flowers in racemes, small, yellow 

 or white, sometimes bracteate. Sepals short, spreading, equal at the 

 base. Petals short, scarcely clawed, sometimes wanting. Stamens 

 6, sometimes fewer. Pods long or short, almost cylindrical ; valves 

 faintly l-nerved. Seeds many, in 2 rows, turgid ; cotyledons- 

 accumbent. 



An aquatic herb with creeping stem and white 

 flowers 1. N. officinale. 



Erect herbs with yellow flowers. 



Lobes of leaves toothed 2. ^. indicum. 



Lobes of leaves entire 3. JT. montanum. 



1. N. officinale. R. Br. in Ait. Hort. Keiv, ed,. II, tv, 111 ; Royle 111. 

 70 ; F. B. I. i. 183 ; Watt E. D. (Water-cress.) 



Aquatic. Stems creeping and floating, much-branched. Leaves pinna- 

 tifid. Floiuers white, in short racemes. Petals longer than the 

 sepals ; limb obovate, spreading. Pods |-1 in. long, stalked, spreading 

 or bent upwards. Seeds small, pitted. 



Found occasionally in clear streams : common in Dehra Dun and 

 Eohilkhand. Disteib.: Punjab, extending through Afghanistan to 

 Europe. On the Himalaya it occurs frequently in a semi-wild state 

 near hill-stations. 



2. N. indicum, DC. Syst. ii, 199 ; F. B. I. i. 134. N. madagascariense,- 

 W. <^' A. Prod. 19. Sinapis divaricata, Poxb.; Fl. Ind. Hi, 123. 



An erect "glabrous or more or less hairy annual. Stem 6-12 in., 

 branching from near the base. Eadical leaves deeply pinnatifid, lobes 



