CONl'ENTS. xv 



GLANDS AND WATER POKES 96 



GLANDS 96 



a. Lemon Skin 96 



b. Leaf of Eucalyptus 97 



c. Resin Ducts of Pinus 97 



WATER PORES 97 



Leaf Tooth of Fuchsia , 97 



D. Heristem Tissue 99 



PRIMARY MERISTEM 99 



a. Single Apical Cell 101 



Tip of Equisetum, or Fern Root ! 101 



b. Group of Initial Cells 99 



Tip of Hyacinth Root 99 



FIBRO- VASCULAR BUNDLES 102 



a. Collateral, Stem of Moon Seed Vine 102 



b. Bicollateral, Stem of Cucurbita 104 



c. Radial, Root of Corn 106 



d. Concentric, Stem of Pterte, Rhizome of Iris 107 



E. The System of Tissues 108 



l. EPIDERMAL 108 



Formation of Stomates, "Stone Crop," or Sedum ternatum 108 



Ti-ichomes, Shepherdia Candensis, Nettles, etc .....109 



Water Pore, Fuchsia 110 



2 and .'!. FIBRO- VASCULAR AND FUNDAMENTAL 110 



Exogenous Stem 110 



Herbaceous, Begonia 110 



Woody, Moon Seed Vine 110 



Endogenous Stem 110 



Herbaceous, Corn 110 



Woody, SmilMJC 110 



Com ferae, Pinus 110 



Vascular Cryptogams 110 



F. Secondary Thickening .112 



Stem of Dicots, Moon Seed Vine 112 



Stem of Monocot, Smilax Hispida 11 3 



Stem of Coniferae, Pinus 113 



Roots of Monocots, Orchidnceae or Cyperaceae 114 



VASCULAR SYSTEM OF LEAVES 114 



O.rxlix 114 



LENTICKLS AND CORK THICKENING 115 



Elder, or Moon Seed Vine ...116 



LIST OF ILLUSTRATIONS. 



Figure 1. Dehydrating Apparatus Page 13 



2. Paper Boat 19 



3. Ether Vapor Bottle 23 



" 4. Microscope 44 



" 'i. Ti -insert ion of Anther of Begonia 50 



6. Section of Drawer for Glass Slides 51 



" 7. Eye Shade 58 



8. Culture Slide 71 



