Bailey, L. H.
Cyclopedia of American Agriculture. Cyclopedia of American Horticulture. Farm and Garden Rule Book. Lessons with Plants. Manual of Gardening.
Beal, W. J.
Grasses of North America. Henry Holt & Co.
Seed Dispersal. Ginn & Co. Blatchley, W. S.
The Indiana Weed Book. Nature Publishing Co., Indianapolis. Britton, N. L., and Brown, A.
Illustrated Flora of the Northern United States and Canada.
Charles Scribner's Sons.
Chapman, A. W.
Flora of the Southern United States. American Book Co. Clark, G. H., and Fletcher, J.
Farm Weeds of Canada. Department of Agriculture, Canada. Coulter, John M., revised by Aven Nelson.
New Manual of Botany for the Rocky Mountains.
American Book Co. Crane, P. B.
Quack-grass Eradication. Webb Publishing Co. St. Paul, Minn.
Darling, Chester A.
Handbook of Wild and Cultivated Flowering Plants.
Mason-Henry Press, Syracuse, N.Y. Darlington, William.
American Weeds and Useful Plants. Orange Judd Co.
Weeds, Poison Plants, and Naturalized Aliens of Victoria.
Government Printing Press, Melbourne, Australia Flint, Martha.
The Garden of Simples. Charles Scribner's Sons.
Goodrich, Charles L.
The First Book of Farming. Doubleday, Page & Co. Gray, Asa.
New Manual of Botany, Seventh Edition.
Field, Forest, and Garden Botany. American Book Co.
Jepson, W. L.
Flora of Western Middle California. University of California.
Kerner & Oliver.
Natural History of Plants. Blackie & Son, London. Knight, Alfred E.
The Living Plant. Hutchinson & Co., London. Knobel, Edward.
Grasses, Sedges, and Rushes of the United States.
Bradlee Whidden, Boston.
Long, Harold C.
Plant Names, Scientific and Popular. Nelson Baker Co.j Detroit.
Needham, James G.
Natural History of the Farm. Comstock Publishing Co., Ithaca.
Pammel, L. H.
Manual of Poisonous Plants. Torch Press, Cedar Rapids, Iowa.
Weeds of Farm and Garden. Orange Judd Co. Parsons, M. E.
Wild Flowers of California. Cunningham, Curtis & Welch, San Francisco. Percival, John.
Agricultural Botany. Henry Holt & Co.
Sargent, Frederick L.
Plants and their Uses. Henry Holt & Co.