436 TEXTBOOK OF BOTANY 



Fernow : Care of Trees in Street, Lawn, and Park. Henry Holt and 



Company. 

 Graves: Principles of Handling Wood Lots. Bulletin 42, Forest 



Service, U. S. Department of Agriculture. 

 Kellogg : The Timber Supply of the United States. Circular 166, 



Forest Service, U. S. Department of Agriculture. 

 Kellogg and Hale : Forest Products of the United States. Bulletin 74, 



Forest Service, U. S. Department of Agriculture. 

 Moon and Brown: Elements of Forestry. John Wiley and Sons. 

 Peck : Opportunity in Forest Planting for Farmers. Year Book, U. S. 



Department of Agriculture, 1909. 

 Pinchot : Forestry and Lumber Supply. Circular 25, Forest Service, 



U. S. Department of Agriculture. 

 Pinchot: Primer of Forestry. Farmers' Bulletins 173 and 358, U. S. 



Department of Agriculture. 

 Price, Kellogg, and Cox: Forests of the United States. Bulletin 171, 



Forest Service, U. S. Department of Agriculture. 

 Roth : A First Book of Forestry. Ginn and Company. 

 Stone: Shade Trees, Characteristics, Adaptation, Diseases, and Care. 



Bulletin 170, Massachusetts Agricultural Experiment Station. 

 Weiss: The Preservative Treatment of Fence Posts. Circular 117, 



Forest Service, U. S. Department of Agriculture. 

 Winkenwerder : Forestry in the Public Schools. Circular 130, Forest 



Service, U. S. Department of Agriculture. 



CHAPTER XXIII 



Bailey and Gilbert : Plant Breeding. The Macmillan Company. 



Cook: Wild Wheat in Palestine. Bulletin 274, Bureau of Plant In- 

 dustry, U. S. Department of Agriculture. 



Fraser : The Potato. Orange Judd Company. 



Harwood : New Creations in Plant Life. The Macmillan Company. 



Hunt : The Cereals in America. Orange Judd Company. 



Hunt: The Forage and Fiber Crops in America. Orange Judd Company. 



Montgomery : Experiments in Wheat Breeding. Bulletin 269, Bureau 

 of Plant Industry, U. S. Department of Agriculture. 



Sargent : Corn Plants. Hough ton, Mifflin and Company. 



Stuart : Group Classifications and Varietal Descriptions of Some A merican 

 Potatoes. Farmers' Bulletin 176, U. S. Department of Agricul- 

 ture. 



Wight: The Varieties of Plums Derived from Native American Species. 

 Farmers' Bulletin 172, U. S. Department of Agriculture. 



