CLXXXII. 

 NASTURTIUM OFFICINALE. 



Water -Cress. 



Class XIV. Tetradynamia. — Order II. Siliquosa. 



Nat. Ord. CrUciferjE. 



Gen. Char. Calyx patent, equal. Pod nearly cylin- 

 drical ; valves concave, neither nerved nor keeled. 

 Cotyledons accumbent. 



Spec. Char. Leaves pinnate ; leaflets ovate, sub-cordate, 

 repand, toothed. 



SYNONYMES. 



Greek . . . ~Ei<ru/u,IZpiov tnpov v> x,ufia.[juin. Dioscorides. 



'Nasturtium aquaticum supinum. Baufi. Pin. 104. 

 Nasturtium aquaticum. Ger. Em. 257. Park. Theatr. 1239. 



Dod. PempU 592. 

 Sisymbrium Cardamine, sive Nasturtium aquaticum. Rati 



Syn. 300. 

 Sisymbrium nasturtium. Lin. Sp. PI. 916. Eng. Fl. iii. p. 



192. Eng. Bot. t. 855. 

 Cardaminum Nasturtium. Mcench. Meth. 262. 

 L Nasturtium officinale. Brown H. Kew. ed. II. v. iv. p. 110. 

 French. . . Cresson ; Cresson de fontaine. 

 Italian . . . Crescione ; Nasturzio ; Agretto. 

 Spanish . . Berro. 



Port Agriao. 



German . . Brunnenkresse ; Wasserkresse. 



Dutch. . . . Waterkers. 



Danish . . . Wandkarse. 



Swedish .. Kioellkrasse. 



Polish . . . Rzezucha. 



Russ Wodanoia kress. 



Latin . . 



Description. — The root is biennial or perennial, long, creep- 

 ing, branched, and furnished with numerous tufts of long, 



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