XVi LIST OF ILLUSTRATIONS 



Fig. Page 



104 Students in the Pennsylvania State College 



Greenhouse ...... 117 



105 Callusing Bed for Cuttings and Root Grafts 118 



106 Plan of Callusing Bed 119 



107 Stand for Making Graft and Cutting Bundles . 120 



108 Root and Bulb Storage Cellar on a Hill Side . 121 



109 Potting 122 



110 Field Planting of Potted Dahlias . . .123 



111 Green Wood for Cuttings . . . .124 



112 Budding Nursery Stock 126 



113 Various Styles of Watering Pots . . .127 



114 Bryophyllum Leaf . . . . . .128 



115 Rooted Gloxinia Leaf 129 



116 Sections of Grafts 131 



117 Side Graft 132 



118 Winter Course Students Making Root Grafts 134 



119 Precocious Cleft Grafts . . .' .135 



120 Tree Peddlers' Sheds at Nursery . . .136 



121 Diagrams of Graft and Bud Cross Sections . 137 



122 Section of Apple Grafts . . . . . .138 



123 Plum Grafts Showing Continuous Layers 



of New Wood 139 



124 Cherry Cion on Plum Stock . . . .140 



125 Defective Pear Bud Graft on Quince Stock . 140 



126 Propagation in Greenhouses .... 142 



127 Weeping Mulberry on Erect Stem . . . 143 



128 Digging Two- Year Nursery Trees by Horse 



Power . . . ... . 144 



129 Cuttings and Whip Graft . . . .145 



130 Two-Year Spy Budded Trees . . . .147 



131 Burlapped for Shipment . . .147 



132 Greatly Magnified Section Through Young 



Graft 148 



133 Steam Tree Digger in Big Nursery . . .150 



134 Uniform Block of One-Year Budded Bartlett 



Pears 152 



135 Stages of Cleft Grafting 154 



