LIST OF ILLUSTRATIONS 5 



PAOB 



CORN SELF - POLLINATED AND CROSSED 



WITH TEOSINTE 210 



SOME STEMS OF BLACKBERRY-RASPBERRY 



HYBRIDS 218 



A SHIRLEY POPPY SHOWING REPRODUC- 

 TIVE ORGANS 230 



POLLEN-BEARING PUMPKIN BLOSSOM . 236 



SEED-BEARING PUMPKIN BLOSSOM . . 240 



A POLLEN-BEARING GRAPEVINE . . . 244 



STRAWBERRY BLOSSOM (ENLARGED) . 250 



THE STIGMATIC SURFACE OF A POPPY 



MUCH ENLARGED 254 



CROSS SECTION OF THE CACTUS BLOSSOM 260 



RASPBERRY BUSH AFTER POLLINATION . 264 



"FLAT" WITH LAYER OF GRAVEL . . 270 



"FLAT" PARTLY FILLED WITH PREPARED 



COMPOST 274 



A COLD FRAME 282 



PROTECTING SEEDLINGS FROM THE BIRDS 290 



YOUNG PLANTS AWAITING SELECTION 294 



