678 422. Nasturtium. 80. CRUCIFERiE. Plex.thal 



V. 422. NASTURTIUM. Pliny. Cress. 



Siligucs nearly cylindrical, sometimes short; valves con- 

 cave, ribs 0; keel 0; cotyledons accumbent; culyx spread- 

 ing. — SiliqiKB declinate. 



1. Nasiurtium officinale. Shop cress. 

 Leaves pinnate; leaflets ovate, rather heartsliape, repand. 



Nasturtium nquaticum seii Sisymbriutn Cnrdamlne, Rail Syn. 300, 1. 

 Najfurlium aquaticiini, sive Cratcva; Slum, Ger.em. 251. 

 Nasturtium aqiiaticum vulgaie. Park. l4i39, 

 Sisynsbrium Nasturtium, Lin. S. P. 916. 

 Nasturtium officiuale, R. Brown in Ilort. Kew. 110. 

 Water cress. 



Damp places and brooks : perennial ; June and July. 



Stem declinate^ rooting at bottom; leaves shining; petals 

 white; siUguce spreading. — An excellent spring sallad, an- 

 tiscorbutic, less acrid than scurvygrass. 



0. prcEcox^ Leaves smaller; flowers earlier. 



Nastuviiiim aquaticum foliis minoribus jirfficocius, Rail Syn. SOI, 2. 



y. paucijugalum . Leaflets fewer paired. 



Nasturtium aquaticum pinnuiis paucioribus, Dilleii in Rati Syn.tiOl, 3. 



2. Nasturi'wjn sylvestre. JVild cress. 

 Leaves pinnate; leaflets lanceolate, serrate or deeply cut. 



Eruca (spuria) aquatica, Rail Syn. 297, 1 ; Qer. em. 248, 6; Park. 1242. 



Sisymbrium syUesire, Lin. S. P. 9i6, 



Nasturtium sylvestre, R. Brown in Ilort. Kew. 1 10. 



Water rnckf.t. 



Marshes and river banks; perennial; June to September. 



Root creeping; stem upright, angular, panicled; leaves 



bald; leaflets decurrent; petals go\d~ye\\ow, fruit racemose. 



3. Naslurthm terrestre. Land cress. 

 Leaves pinnatifld, toothed, bald; root fusiform; petals 



as long as the calyx. 



Raplianus nquaticus foliis in profundis lacinias divisis, Dillen in Raii 

 Syn. .S01,i'. 



Sisymbrium (errestre, Curtis Fl. Land. 

 Sisymbrium |)aliisire, Willd.S. P. 3, 49. 

 Sisymbrium ampliibium a, Iliuhon Fl. Anijl. 296. 

 Nasturtium terrestre, Tl. Brown in Hurt. Kck. 

 Water radish. 



Inundated places; annual; June to September. 

 Stem upright, branched; petals very small, yellow; sili- 

 qucB spreading horizontally, racemose. 



