LIST OF PLATES 



I. A well-developed pecan orchard Frontispiece 



PAGE 



II. Grave of Ex-Governor James Stephen Hogg, Austin, 

 Texas, showing pecan and walnut trees which were 

 planted to carry out his wish 22 



III. Above, native Texas pecan grove with underbrush cleared. 



Below, adjacent grove in virgin state 40 



TV. Pecan nursery trees ready to be dug for transplanting 



to the orchard as soon as frost comes 60 



V. Truck crops in young pecan orchard with cleanly culti- 

 vated strip on each side of tree rows 78 



VI. Cotton cultivated between pecan tree rows .... 94 



VII. Harvesting pecans 112 



VIII. A modern pecan-grader 130 



IX. Above, young pecan nuts attacked by the larvae of the nut 

 case-bearer. Below, left, leaf case-bearer. Below, 

 right, adult beetle of flat-head tree-borer .... 146 



X. Above, pecan nuts infected by scab. Below, the pecan 



weevil 164 



XI. Spraying pecan trees 184 



XII. Above, catkins or flower-clusters of pecans. Below, meats 



of pecans, showing kernel-spot 206 



xiii 



