Reference Books
elementary
Hunter, Laboratory Problems in Civic Biology. American Book Company.
Andrews, A Practical Course in Botany, pages 1-21. American Book Company.
Atkinson, First Studies of Plant Life, Chap. XXX. Ginn and Company.
Bailey, Botany, Chaps. XX, XXX. The Macmillan Company.
Beal, Seed Dispersal. Ginn and Company.
Bergen and Davis, Principles of Botany, Chaps. XX, XXX. Ginn and Company.
Coulter, Plant Life and Plant Uses. American Book Company.
Dana, Plants and their Children. American Book Company.