Produced by Betsie Bush, Dave Morgan, Leonard Johnson and the Online Distributed Proofreading Team at https://www.pgdp.net BULLETIN 260 MARCH, 1910 MICHIGAN STATE AGRICULTURAL COLLEGE EXPERIMENT STATION DIVISION OF BOTANY SEEDS OF MICHIGAN WEEDS BY W. J. BEAL EAST LANSING, MICHIGAN 1910 _The Bulletins of this Station are sent free to all newspapers in the State and to such individuals interested in farming as may request them. Address all applications to the Director, East Lansing, Michigan._ MICHIGAN AGRICULTURAL EXPERIMENT STATION Postoffice and Telegraph address, East Lansing, Mich. Railroad and Express address, Lansing, Mich. A DEPARTMENT OF THE STATE AGRICULTURAL COLLEGE, AND, WITH IT, CONTROLLED BY THE INCORPORATED STATE BOARD OF AGRICULTURE HON. ROBERT D. GRAHAM, Grand Rapids, Chairman of the Board, Term expires 1914 HON. WM. J. OBERDORFFER, Stephenson, Term expires 1912 HON. Wm. L. CARPENTER, Detroit, Term expires 1912 HON. ALFRED J. DOHERTY, Clare, Term expires 1914 HON. I. R. WATERBURY, Detroit, Term expires 1916 HON. WILLIAM H. WALLACE, Bay Port, Term expires 1916 HON. FRED M. WARNER, Governor of the State, _Ex officio_ JONATHAN L. SNYDER, A. M., LL. D., President of the College, _Ex officio_ HON. L. L. WRIGHT, Ironwood, _Ex officio_ ADDISON M. BROWN, A. B., Secretary. STATION COUNCIL JONATHAN L. SNYDER, A. M., LL. D., Pres., _Ex officio_ ROBERT S. SHAW, B. S. A., Director CHARLES E. MARSHALL, Ph. D., Scientific and Vice Director and Bacteriologist R. H. PETTIT, B. S. A., Entomologist A. J. PATTEN, B. S., Chemist H. J. EUSTACE, B. S., Horticulturist J. A. JEFFERY, B. S. A., Soil Physicist W. J. BEAL, Ph. D., Botanist V. M. SHOESMITH, B. S., Farm Crops ADDISON M. BROWN, A. B., Secretary and Treasurer ADVISORY AND ASSISTANT STAFF.