Ji CONTENTS. 



SECT. III. OF THE KINDS OR TRANSFORMATIONS OF CELLU- 

 LAR TISSUE 42 



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Parenchyma ... 



Prosenchyma, Woody Tissue ...... 44 



Bast Tissue 



Vascular Tissue or Vessels 



Interlaced Fibrilliform Tissue 



Laticiferous Tissue ........ 52 



Intercellular System 



Epidermal System 55 



SECT. IV. OF THE CONTENTS OF THE TISSUES . 56 



Sap 56 



Proper Juices ........ 57 



Starch 57 



Vegetable Jelly 59 



Sugar, Wax, Chlorophyll 60 



Alkaloids . 61 



Vegetable Acids ........ 61 



Crystals or Raphides ....... 62 



Silex 63 



CHAPTER II. OF THE GENERAL MORPHOLOGY OF 



THE PLANT 64 



The Individual Plant 64 



Plants of a Single Cell 64 



Plants of a Single Row of Cells 68 



Spores, Conjugation ....... 69 



Plants of a Tissue of Cells 70 



Plants with a Distinct Axis and Foliage ... 71 



Thallophytes and Cormophytes ..... 73 



Cellular and Vascular Plants 73 



Cryptogamous or Flowerless Plants . . . . .74 



Phsenogamous or Flowering Plants .... 75 



Development of the Plant from the Embryo 77 



Organs of Vegetation 79 



CHAPTER III. OF THE ROOT OR DESCENDING AXIS 80 



The Primary Root ....... 80 



Annuals, Biennials, and Perennials 85 



Secondary Roots .... 87 



Aerial Roots ... 87 



Epiphytes 89 



Parasites .... 90 



