REFERENCE BOOKS 45 



Atkinson, First Studies of Plant Life, Chaps. XXV-XXVI. Ginn and Company. 



Bailey, Crossing of Egg Plants, Bulletin 26, Cornell Experiment Station. 



Bailey, Effect of Pollination upon Tomatoes, Bulletin 28, Cornell Experiment Sta- 

 tion. 



Bailey, Philosophy of Crossing Plants, Considered in Reference to their Improvement 

 under Cultivation. Report of Massachusetts State Board of Agriculture, 1891. 



Bailey, New Ideals in the Improvement of Plants. Country Life in America, July, 

 1903. 



Bailey, Plant Breeding. The Macmillan Company. 



Bergen and Caldwell, Practical Botany, Chap. VIII. Ginn and Company. 



Campbell, Lectures on the Evolution of Plants. The Macmillan Company. 



Coulter, Plant Life and Plant Uses, pp. 301-322. American Book Company. 



Coulter, Plant Studies, Chap. VII. D. Appleton and Company. 



Coulter, Barnes, and Cowles, A Textbook of Botany, Part II. American Book 

 Company. 



Crosby, School Exercises in Plant Production, Farmers' Bulletin 408, U. S. Depart- 

 ment of Agriculture. 



Crosby and Howe, School Lessons on Corn, Farmers' Bulletin 409, U. S. Depart- 

 ment of Agriculture. 



Dana, How to Know the Wild Flowers. Scribner's Sons. 



Dana, Plants and Their Children, pp. 187-255. American Book Company. 



Darwin, Insectivorous Plants. D. Appleton and Company. 



Darwin, Different Forms of Flowers on Plants of the Same Species. D. Appleton 

 and Company. 



Darwin, Fertilization in the Vegetable Kingdom, Chaps. I and II. D. Appleton 

 and Company. 



Darwin, Orchids Fertilized by Insects. D. Appleton and Company. 



Darwin, Cross and Self Fertilization in the Vegetable Kingdom. D. Appleton and 

 Company. 



De Vries, Plant Breeding. Paul, Kegan, Trench, Triibner and Company, London. 



East, The Rdle of Selection in Plant Breeding. Popular Science Monthly, August, 

 1910. 



Ely, Color Arrangement of Flowers. Scribner's Magazine, March, 1910. 



Gibson, My Studio Neighbors, p. 227. Harper and Brothers. 



Henderson, Functions of an Environment. Science, April 10, 1914. 



Howe, How to Test Seed Corn in School. Circular 96, U. S. Department of Agri- 

 culture. 



lies, Teaching Farmers 1 Children on the Ground. World's Work, May, 1903. 



Lubbock, British Wild Flowers. The Macmillan Company. 



Lubbock, Flowers, Fruits, and Leaves, Part I. The Macmillan Company. 



Lyle, Plant Breeding in a Dutch Garden. Everybody's Magazine, June, 1902. 



Muller, The Fertilization of Flowers. The Macmillan Company. 



Needham, General Biology, pp. 1-50. The Comstock Publishing Company. 



Newell, A Reader in Botany, Part II, pp. 1-96. Ginn and Company. 



Osterhout, Experiments with Plants, Chap. VI. The Macmillan Company. 



Parsons, Children's Gardens for Pleasure, Health, and Education. Sturgis and 

 Walton. 



Sharpe, A Laboratory Manual in Biology. American Book Company. 



Stack, Wild Flowers Every Child Should Know. Doubleday, Page and Company. 



