Viii CONTENTS. 



CHAPTER V. 

 THE PKODUCTS OF THE CELL. 



PAGE 



1. Chlorophyll 2. Starch, Composition, Form, Molecular 

 Structure rGranulose and Starch-Cellulose Formation of 

 Starch Granules in the Chlorophyll-Bodies Formation of 

 Ordinary Starch Granules 3. Aleurone and Crystalloids 

 4. Crystals in Cells g 5. The Cell Sap 6. Oils, Resins, 

 G urns, Acids and Alkaloids 50 



CHAPTER VI. 

 TISSUES. 



1. The Various Aggregations of Cells : (a) Single Cells ; (b) Fam- 

 ilies ; (c) Fusions ; (d) Tissues ; The Cell- Wall in Tissues 

 2. The Principal Tissues Parenchyma Collenchyma 

 Sclerenchyma Fibrous Tissue Laticiferous Tissue Sieve 

 Tissue Tracheary Tissue 3. The Primary Meristeiu 65 



CHAPTER VII. 

 THE TISSUE SYSTEMS. 



1. The Differentiation of Tissues into Systems 2. The Epi- 

 dermal System of Tissues Epidermis Trichomea Stomata 

 3. The Fibro- Vascular System of Tissues General 

 Structure The Fibro- Vascular Bundles of Pteris, Polypodium, 

 Adiantum, Equisetuiu, Selaginella, Lycopodium, Zea, Acorus, 

 Ricinus and Ranunculus Of Xyleni and Phloem Collateral, 

 Concentric, and Radial Bundles Development of Fibro- 

 Vascular Bundles 4. The Fundamental System The Tis- 

 sues it Contains Cork Lenticels 89 



CHAPTER VIII. 

 INTERCELLULAR SPACES, AND SECRETION RESERVOIRS 128 



CHAPTER IX. 

 THE PLANT-BODY. 



1. Generalized Forms Thallome Caulome Trichome Root-^ 

 Particular Relations of Phyllome to Caulome General Modes 

 of Branching of Members 2. Stems The Punctum Vegeta- 

 tionis Buds Adventitious Stems 3. Of Leaves in General 

 4. The Arrangement of Leaves 5. The Internal Struc- 

 ture of Leaves 6. The Roots of Plants, Structure, Root-Cap, 

 Growth Formation of New Roots Arrangement of Roots. . . 133 



