CONTENTS 



Page 

 INTRODUCTION .... . .... 1 



LABORATORY METHODS AND EQUIPMENT .... 4 



PART I — STRUCTURE AND PHYSIOLOGY OF SEED PLANTS 



Introductory Study of a Seed Plant and its Organs ... 15 



The Seed and its Germination 17 



Storage of Pood in the Seed 21 



Movements, Development, and Morphology of the Seedling . . 27 



Roots 29 



Some Properties of Cells and their Functions in the Root . . 36 



Stems 37 



Structure of the Stem 39 



Work of the Stem ... 45 



Buds ... ... . . .48 



Leaves ... 51 



Leaf Arrangement with Reference to Light 53 



Minute Structure and Functions of Leaves .... .55 



The Flower of the Higher Seed Plants 64 



Pollination and Fertilization 68 



The Fruit 69 



PART II — TYPE STUDIES PRECEDED BY THE STUDY 

 OF THE PLANT CELL 



The Plant Cell, its Structure and Reproduction . . 75 



The Flagellates, or Flagellata ... .... 83 



The Slime Molds, or Myxomycetes 83 



The Blue-Green Algae, or Cyanophyceae 84 



The Green Algae, or Chlorophycese . . . .87 



The Brown Algse, or Phseophyceae ... ... 97 



The Red Algse, or Rhodophyceae 100 



The Bacteria, or Schizomyeetes . . • 102 



The Yeasts, or Saccharomycetes ,. 105 



The Alga-like Fungi, or Phycomycetes' 107 



