LIST OF USEFUL REFERENCES FOR STUDY OF WEEDS 



B. M. DAVIS, Miami University 



Weeds and How to Eradicate Them. By Thomas Shaw, 

 St. Paul, Minn.: Webb Pub. Co. (1911), 236. Price, cloth 50 

 cents; paper, 25 cents. 



Various common weeds are described, and methods of 

 eradication are discussed. The chapter headings are as follows : 

 The prevalence of weeds; The evils which arise from presence 

 of weeds; The possibility of destroying weeds; The agencies 

 concerned in distribution and propagation of weeds; Methods 

 and principles generally applicable in destruction of weeds ; Spe- 

 cific modes of eradicating weeds of the thistle family; Methods 

 of eradicating weeds of the mustard family; Eradication of 

 weedy grains; Specific modes of eradicating miscellaneous trou- 

 blesome weeds. 



Farm Weeds. By Geo. H. Clark and James Fletcher. Do- 

 minion of Canada, Department of Agriculture (1909), 192. 

 For sale by single copies only, Supt. of Stationery, Government 

 Printing Bureau, Ottawa, Can. Price $1.00. Following an in- 

 troductory discussion of weeds (including loss, spread, classifi- 

 cation, weed seeds in soil, control, general principles, etc.) the 

 various weeds are taken up in families beginning with the grass 

 family. The description of each weed includes synonyms, his- 

 tory, seeds, time of flowering, propagation, occurrence, injury, 

 and remedy. The book is illustrated with seventy-six excellent 

 full page colored plates. 



Seed Dispersal. By W. J. Beal, New York: Ginn and Co. 

 (1904), 90. Price 35 cents. 



The seeds described in this book are mostly of weeds. 



Descriptive and Geographical Study of the Grasses of Iowa. 

 By L. H. Pammel, C. R. Ball, and F. Lamson-Scribner. Des 

 Moines, Iowa: State Department of Geology, Iowa Geo 1 ogical 

 Survey, Supplementary Rpt. (1903), 436. Price $1.00. 



Since many of the grasses are weeds this report is valuable 

 for study of weeds. Each species is fully described and illus- 

 trated. 



The Weeds of the Miami Valley. By Grace M. Kalter, Ox- 

 ford, Ohio; Miami University, Miami Bulletin, Ser. IX, No. 2 

 (1910), 72. Price 20 cents. 



A good artificial key to families of weeds is given, followed 

 by description of various kinds of common weeds. 



A Second Ohio Weed Manual. By A. D. Selby, Wooster, 



