CRUCIFER^ 



347 



slightly curved, on pedicels 

 of equal length, and bear 

 a few seeds in two rows. 



Geographical. — Water cress is 

 a native of Europe and Northern 

 Asia, but has become naturalized 

 in both North and South Amer- 

 ica. It is widespread in North 

 America. 



References 



Carriere, E. a.. Une nouvelle 



plante fourragere et econom- 



ique. Journ. d'Agric. Prat. 



Annee, 33, tome 11 : 845-847, 



1869. 

 GoFF, E. S.: Vegetables: Turnip- 



6th Ann. Kept. N. Y. Agr. 



Exp. Sta., 168-190, 1887. 

 Henslow, G. : The History of 



the Cabbage Tribe. Jour. 



Roy. Hort. Soc. (London), 



34: 15-23, i9o8-i909- 

 Shaw, T.: The Rape Plant: Its 



History, Culture, and Uses. 



U. S. Dept. Agr. Farmers' 



Bull. 11: 1-20, 1893. 



Fig. 145. — Water cress (Radicula pas- 

 turtium-aquaticutn) . 



