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Elementary plant biology
One class embraces the functions relating to the life of the individual organism. These functions have to do with the processes of eating, digesting, assimilating, taking in of oxygen, producing of energy, and excreting of waste matters. These may be called the nutritive functions, if the term is used in its broadest sense. To the second group of activities belong the functions that have to do with the perpetuation of the animal or plant species, and these are known as the reproductive functions. Living organisms, whether plant, animal, or human, may, in the third place, be considered in their relations to one another and especially to the general welfare of mankind. Thus we may discuss the beneficial or injurious effects, so far as man is concerned, of different kinds of insects or of various types of bacteria; we may learn of the activities of individual men or of groups of individuals which promote or retard the advance of human society; or we might, if we were to carry the study still farther, even seek to learn the ways by which the higher thoughts of mankind, as expressed in poetry, music, and religion, affect the development of the human race.
Author(s): James Edward Peabody and Arthur Ellsworth Hunt
246 Pages 
This PDF covers the following topics related to Plant Biology : Cell Basics, Plant Cell Structures, Dicotyledon Stem Structure, Cell Types and Plant Tissues, Secondary Growth in a Dicotyledon Stem, Monocotyledon Stem Structure, Dicotyledon Root Structure, Monocotyledon Root Structure, Growth of the Shoot and Root, Dicotyledon Leaf Structure, Monocotyledon Leaf Structure, Plant Cell Glossary.
Author(s): Myerscough College
35 Pages
Plant physiology is the science which is connected to the material and energy exchange, growth and development, as well as movement of plant. Plant physiology is the science that studies plant function: what is going on in plants that accounts for their being alive. The contents of this notes are as follows : Water and nutrients in plant, Production of primary and secondary metabolites, Physiology of plant growth and development, Physiology of plant growth and development, etc.
Author(s): Vince Ordog
121 Pages
The Power of Movement in Plants
This book explains the following topics:The Circumnutating Movements Of Seedling Plants, General Considerations On The Movements And Growth Of Seedling Plants, Sensitiveness Of The Apex Of The Radicle To Contact And To Other Irritants, The Circumnutating Movements Of The Several Parts Of Mature Plants, Modified Circumnutation: Climbing Plants, Epinastic And Hyponastic Movements, Sleep Or Nyctitropic Movements, Their Use: Sleep Of Cotyledons, Nyctitropic Or Sleep Movements Of Leaves, Movements Excited By Light, Sensitiveness Of Plants To Light: Its Transmitted Effects, Localised Sensitiveness To Gravitation, And Its Transmitted Effects.
Author(s): Charles Darwin and Sir Francis Darwin
NA Pages
Plant Anatomy Laboratory Micrographs of plant cells and tissues, with explanatory text
Objective of this book is to provide light micrographs of the types of cells and tissues that students typically examine in a plant anatomy course. All micrographs are accompanied by figure legends to help the viewer interpret and understand the structures presented. Each chapter in this web site consists of numerous pages, each with a micrograph and an explanatory text.
Author(s): James D. Mauseth
NA Pages