Contents 
PREFACE TO THE SIXTH EDITION. 
PREFACE TO: THE. FIFTH EDITION 6 ins vos des 
PREFACE TO THE FOURTH EDITION. ............ 
PREFACE TO THE THIRD EDITION. ......... 
CHAPTER I 
Tue Scope AND IMPORTANCE OF BOTANY 
EN TRODUCEION 250 = ae oe aan 
DEPARTMENTS OF BOTANICAL INQUIRY.—1. Plant parte 
ogy (Gross Anatomy, Histology, Cytology). 2. Plant Embry- 
ology. 3. Plant Physiology. 4. Taxonomy of Plants or 
Systematic Botany. 5. Plant Ecology. 6. Plant Genetics. 7. 
Phytopathology. 8. Phytogeography. 9. Phytopalzontology. 
10. Cryptogamic Botany. 11. Phanerogamic Botany. 12. 
Algology. 13. Mycology. 14. Saad 15. Economic Bot- 
any and its subdivisions. . . . reer dee ae ar a 
THE IMPORTANCE COP BOPEANY 2PM sks ee a! 
CHAPTER II 
Tue GENERAL CHARACTERISTICS OF PLANTS 
THE PLANT AS A LIVING ENTITY.—Organism, defined. Organ, 
defined. Vegetative and reproductive processes of plants. 
Parts of the plant body. Work of the root, stem, green leaves, 
flowers, fruits and seeds. Tissues. Cells. Protoplasm. 
GROUPS OF PLANTS.—The Thallophytes, Bryophytes, Pterido- 
phytes and Spermatophytes, their etymology, leading sub- 
groups and introduction to their habits. Cryptogams. — 
Phanerogams. Origin and development of a seed plant. 
Physiological division of labor. Differentiation. ..... . 
CHAPTER III — 
Tue Living CELL 
THE CELL AS THE FUNDAMENTAL UNIT.—History of the cell 
and protoplasm. (Hooke, Brown, Schleiden, Schwann, Von 
Mohl, Corti, Treviranus, Dujardin). The Protoplast. A 
typical colorless Plant Cell. Typical green cells. oe 
ee Oe We is a a ee ee ON 
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4-5 
6-12 
12-16 
