

I I 



LIST OF ILLUSTRATIONS. 



Frontispiece : Medallion portrait of Henry Shaw. 



A shady resting place Facing p. 



Screen planting in the arboretum " " 



The parterre * " " 



Statice latifolia « u 



Ceropegia Woodii u " 



Hydrangea quercifolia u " 



Plates 1-12. Subgenera of Cereus Following p, 



Plates 13-19. Polyporus obtusus on black oaks ... u cc 



Plates 20-21. Glassy fir and frozen pine ..... u " 



Plates 22-24. Peronospora on cauliflower " * f 



Plates 25-31. Intumescences of cauliflower .... " " 



Plates 32-34. Sclerotinia of cauliflower " u 



Plates 35-37. Colletotrichum of agaves u " 



Plate 38. Mesogloia divaricata u " 



Plates 39-45. Mexican fig trees " " 



7 



13 



16 



22 



26 



30 



86 



116 



120 



124 



148 



152 



156 



160 



166 





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