XXvi BSGISTER oi" ILLUSTRATIONS 



FIG. PAGE 



142 Ovary of tulip 142 



143 Flower of corn-cockle, Lychnis Gitliago 143 



144 Plum flowers 144 



145 Ovary of Podophyllum peltatum 144 



146 Flower of currant, Ribes rubrum 145 



147 Stamens of Nymphsea renif ormis 146 



148 Flower of Lilium Canadense 146 



149 Stamen of Azalea nudiflora 147 



150 Flower and stameiLS of barberry 147 



151 Flower of Salvia coccinea 148 



152 Carnation 148 



153 Flower of Hepatiea triloba 148 



154 Flowering dogwood, Cornus florida 154 



155 Paper birch, Betula papyrifera 155 



156 Catkin of Betula lutea 157 



157 Blue-beech, Carpinus Caroliniana 158 



158 Catkins of filbert, Corylus Avellana 158 



159 Flowers of hazel, Corylus rostrata 158 



160 Hicoria microcarpa 159 



161 162 Flowers of Hubbard squash 160 



163 Spray of cucumber 163 



164 Spray of gherkin, Cucumis Anguria 164 



165 Carex torta 165 



166 Carex tribuloides var. cristata 166 



167 Ear of maize 167 



168 Calla 168 



169 Head of dandelion 172 



170 Floret of dandelion 172 



171 Dandelion 173 



172 Leaves of dandelion I75 



173 Rudbeckia hirta 17g 



174 Fullers' teasel, Dipsacus Fullonum 180 



175 Floret of aster Igl 



176 Campanula rotundifolia Ig2 



177 Phlox glaberrima 182 



178 Flower of eggplant ^ . _ , I83 



179 Flowers of foxglove 183 



180 Flower of catnip, Nepeta Cataria 184 



181 Flower of Catalpa speciosa 184 



182 Flower of lily- of -the- valley 185 



183 Narcissus igg 



184 Raceme of lily-of-the-valley 187 



185 Raceme of currant, Ribes rubrum ^ Igg 



186 Plantain spike jgg 



187 Umbel of carrot 3^90 



188 Inflorescence of arrow-leaf, Sagittaria variabilis 191 



189 Panicle of june-grass, Poa pratensis 192 



190 Buckwheat. 



194 



