VI II aONl'ENTS. 



CHAPTER V. 



The Pboducts of the Cell. 



§ 1. Chlorophyll — § 2. Starch, t'omposition, Form, Molecular 

 Structure — Orauulose and Starch-Cellulose — Formation of 

 Starch Granules in the Chlorophyll-Bodies — Formation of 

 Ordinary Starch Granules — § 3. Aleurone and Crystalloids — 

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

 Gums, Acids and Alkaloids 50 



CHAPTER VI. 



, Tissues. 



§ 1. The Various Aggregations of Cells : {a) Single Cells ; (6) Fam- 

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

 § 3. The Principal Tissues — Parenchyma — Collenchyma — 

 Sclerenchyma — Fibrous Tissue — Laticiferous Tissue — Sieve 

 Tissue — Tracheary Tissue — g 3. The Primary Meristem 65 



CHAPTER VII. 



The Tissue Systems. 



g 1. The Differentiation of Tissues into Systems— § 2. The Epi- 

 dermal System of Tissues — Epidermis — Trichomes — Stomata 

 — g 3. The Fibro- Vascular System of Tissues — General 

 Structure — The Fibro- Vascular Bundlesof Pteris, Polypodium, 

 Adiantum, Equisetum, Selaginella, Lycopodium, Zea, Acorns, 

 Ricinus and Ranunculus — Of Xylem 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 Vin. 



iNTERCBLLTJLAR 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 — § 3. Stems — The Punctum Vegeta^ 

 tionis — Buds — Adventitious Stems — g 3. Of Leaves in General 

 — g 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 



