REGISTER OF ILLUSTRATIONS XXxi 



FIO. PAGE 



435 Asa Gray 435 



436 Herbarium sheet 438 



437 Herbarium label < 439 



438 Portable press 440 



439 Corner in an herbarium , 444 



440 441 Diagrams to show poor and good planting 446, 450 



442 A verdurous border 451 



443-446 Planting of school-grounds 453-454 



