226 



Vui. 208. Beckmanuia erucaeforniis il..,) Host {rimlaris iriicn'- 

 formis Linn.). Slouoh-crass. — A .stout, erect, subaqnatic peren- 

 nial 3 to 12 dm. liij^li, with narrow panicles composed of many, 

 densely Howered one-sided spikes. — In sloiijjhs and along the 

 banks of rivers and streams, western Ontario to Iowa, California, 

 British Columbia, and .Alaska. ( I'.uropc and Asia.] .lune-Sep- 

 tember. 



