CHAPTER IV. 



PAGE. 



Bacteria, hay infusion, mother-of -vinegar 36-38 



CHAPTER V. 

 Spirogyra, Hydrodictyon (Water-net) 39-41 



CHAPTER VI. 

 Reproduction 41-43 



CHAPTER VII. 



Moulds, Penicillium glaucum, Eurotium Aspergillus glaucus, Mu- 



cor stolonifer, Claviceps purpurea (Ergot of Rye) 43-47 



CHAPTER VIII. 

 Tissues of higher plants, typical cell 48-51 



CHAPTER IX. 



Tissues of variously modified cells as found in higher plants, 



Geranium stem 52-55 



CHAPTER X. 

 Parenchyma tissue, ordinary and pitted parenchyma 55-56 



CHAPTER XI. 

 Collenchyma, Burdock 57-58 



CHAPTER XII. ' 



Sclerotic cells, walnut shell, cocoanut shell, cinnamon, cascara 



and viburnum barks 59-61 



CHAPTER XIII. 

 Epidermal tissue, stomata 61-64 



CHAPTER XIV. 



Epidermal appendages, stem of Geranium and leaves of Mullein, 



Stramonium, Digitalis, Belladonna and Hyoscyamus 64-66 



(6) 



