Mayne and Hatch, High School Agriculture. American Book Company.
Lubbock, Flowers, Fruits, and Leaves. The Macmillan Company.
Newell, Reader in Botany, pages 24-49. Ginn and Company.
Sharpe, A Laboratory Manual in Biology, pages 55-65. American Book Company.
advanced
Bailey, The Evolution of our Native Fruits. The Macmillan Company.
Bailey, Plant Breeding. The Macmillan Company.
Coulter, Barnes, and Cowles, A Textbook of Botany, Vol. I. American Book Company.
De Candolle, Origin of Cultivated Plants. D. Appleton and Company.
Duggar, Plant Physiology. The Macmillan Company.