Darwin, Orchids Fertilized by Insects, D. Appleton and Company.
Lubbock, British Wild Flowers. The Macmillan Company.
Müller, The Fertilization of Flowers. The Macmillan Company.
IV. THE FUNCTIONS AND COMPOSITION OF LIVING THINGS
Problems.—To discover the functions of living matter.
(a) In a living plant.
(b) In a living animal.
Laboratory Suggestions
Laboratory study of a living plant.—Any whole plant may be used; a weed is preferable.