Lubbock, Flowers, Fruits, and Leaves, Part I. The Macmillan Company.
Needham, General Biology, pages 1-50. The Comstalk Publishing Company.
Newell, A Reader in Botany, Part II, pages 1-96. Ginn and Company.
Sharpe, A Laboratory Manual in Biology, pages 43-48. American Book Company.
advanced
Bailey, Plant Breeding. The Macmillan Company.
Campbell, Lectures on the Evolution of Plants. The Macmillan Company.
Coulter, Barnes, and Cowles, A Textbook of Botany, Part II. American Book 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.