CATALOGUE OP PLANTS. 79 



Division St., Sec. 19, Paris (Le Grande Albee), June, 1900. 

 Adventive. 



623. E. cheiranthoides L. Worm-seed Mustard. 

 Along streams; occasional. Summer. 



Grand River at Grand Island, Ada Village; Rouge River at 

 Plainlield Village. 



LEPIDIUM L. Pepperavoet. Peppergkass. 



624. L. intermedium Gray. 

 X. apeldlnm Willd. 



Common along roads. June-Oct. 



625. L. Virginicum L. Wild Peppergrass. 

 A common roadside weed. June-Oct. 



NASTURTIUM R. Br. Water-Cress. 

 Raripa Scop. 



626. N, Armoracia Fries. Horseradish. 



Escaped from gardens; frequent in wet places. May-June. 



627. N. lacustre Gray. Lake Cress. 

 7?. Americana (Gray) Britton. 



Found growing near the Glue Factory; scarce. Summer. 

 The lower leaflets drop off and take root. 



628. N. OFFICINALE R. Br. True Water-Cress. 

 B. Nasturtium (L.) Rusby. 



Frequent in brooks. Summer. 



629. N. palustre DC. Marsh Cress. 

 Common in wet places. Summer. 



630. N. palustre hispidum Gray. 

 E. hispida (Desv.) Britton. 



Same location as the preceding species; frequent. Summer. 



631. N. STLVESTRE R. Br, Yellow Cress. 

 Untilled ground. Mid- June- July. 



Well established in 1899 in the "tree nursery" of John Ball 

 Park, City (Dr. Helen E. Brown). Probably recently introduced. 



