REPORT OP THE STATE BOTANIST 1902 101 



Barbarea barbarea (L.) MacM. 

 B. vulgaris var. a r c u a t a Gray 

 Yellow rocket 

 Fields. Common. May-June. Young plants are sometimes 



used for a pot herb. 



Barbarea stricta Andrz. 



B. vulgaris var. stricta Gray 



Erect-fruited winter cress 

 Fields and waste places. Frequent. May- June. 



Eoripa sylvestris (L.) Bess. 



Nasturtium sylvestre R. Br. 



Creeping yellow ivater cress 



Shores of the Susquehanna at Apalachin. Rare. Summer. 



Roripa palustris (L.) Bess. 

 Nasturtium palustre DO. 

 Marsh water cress 

 Wet places, sjjecially along the river. Common. Summer. 



Boripa bispida (Desv.) Britton 

 Nasturtium palustre var. hispidum Gray 

 With the last but less common. Summer. 



Roripa nasturtium (L.) Rusby 

 Nasturtium officinale R. Br. 

 Water cress 

 In brooks and small streams. Frequent. May-November. 



Roripa armoracia (L.) A. S. Hitchcock 

 Nasturtium armoracia Fries 

 Horse radish 

 Waste places and along streams. Common. Summer. 



Cardamine pennsylvanica Muhl. 

 Pennsijlvania Mtter cress 

 Swamps and wet places. Common. May-June. 



Cardamine bulbosa (Schreb.) B. S. P. 

 0. rhomboidea DC. 

 Bulbous cress 

 Damp fields and thickets. Common. May-June. 



