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Arabis. — Rock Cress. 



Arabis lyrata Rock cress. 



Arabis confinis Rock cress. 



Arabis hirsuv- Rock cress. 



Arabis laevigata Rock cress. 



Arabis Canadensis Sickle pod. 



Arabis perf oliata Tower mustard. 



Alyssum. 



Alyssum calycinum Yellow alyssum. 



LuNARiA. — Satin Flower. 



Lunaria biennis Honesty. 



Camelina. 



Camelina sativa False flax. 



Nasturtium. 



Nasturtium officinale True water cress. 



Nasturtium palustre Marsh cress. 



Nasturtium palustre var hispidum .... Marsh cress. 

 Nasturtium armoracia Horse radish. 



Barbarea. — Winter Cress. 



Barbarea vulgaris Common winter cress. 



Barbarea vulgaris var stricta Common winter cress. 



Hesperis. — Rocket. 



Hesperis matronalis Dame's Violet. 



Erysimum. — Treacle Mustard. 



Erysimum cheiranthoides Worm seed mustard. 



Sisymbrium. 

 Sisymbrium officinale Hedge mustard. 



BUASSICA. 



Brassica sinapistrum or sinapis arvensis ..English charlock. 



Brassica (or sinapis) nigra Black mustard. 



Brassica rapa Turnip. 



Capsella. 



Capsella Bursu-pastoris Shepherd's purse. 



