LIST OF ILLUSTRATIONS 



Orb Spider . . . . . . . . . . 247 



Funnelweb Spider .......... 248 



Dewy Web of an Orb Spider ........ 249 



Spinneret ............ 250 



Crayfish ............ 252 



Land Snails 253 



Children's Farm School, New York City 259 



The Children's School Garden ........ 263 



Plan for Border Planting 264 



Plan for School Garden 268 



Plan of Individual Bed . 271 



Bulb-Planting Diagram ......... 280 



Plants Growing in a School-Room 285 



Grafting 289 



Budding ............ 291 



Germinators for Observing Seedlings ...... 300 



Oak Seedling ...'........ 301 



Experiment: Removal of Cotyledon of Bean . . . , . 302 



Germinating Corn .......... 303 



Fibro.vascular Strands in Plantain Leaf ...... 305 



Section of Corn Stalk, Showing Fibrovascular Bundles . . . 306 



Trunk of White Elm 307 



Trunk of White Birch . .308 



Cross-Section of Elm, Showing Annual Rings, Etc. .... 309 



Rootstalk of Solomon's Seal . . . . . . . . 310 



Development of Buds into Branches . . . . . . .312 



Cotton wood and Butternut Twigs with Buds . . . . -313 



Transpiration . . . . -315 



Diagram of Cross-Section of a Leaf . . . . . . .316 



Diagram of Longitudinal Section of a Plant Showing Flow of Sap, etc. 317 



Aquatic Plants Giving Off Oxygen . 319 



Wake Robin 322 



Pasque Flower . 323 



Staminate and Pistillate Flowers of Squash 325 



Sweet-Pea . - 326 



Pollination of Sweet-Pea . -327 



Development of Sweet-Pea into Fruit 328 



Pistillate and Staminate Flowers of Boxelder 329 



Jack-in-the-Pulpit 330 



Staminate Catkin of Cotton wood 331 



Pistillate Flowers of Cotton wood 332 



Pussy-Willows - 333 



Sunflower 334 



Section through Sunflower, Showing Composite Structure . . . 335 



Thistle 336 



Squash Seedling . . . . . 339 



Plants Turning Toward the Light 34 



Sensitive Plant Closing its Leaves 343 



Seed Dispersal in Neglected Corner ....... 344 



Pretty Seed Pods of " Butterprint " Weed 345 



