LIST OF ILLUSTRATIONS. 



1 



Frontispiece, The Herbarium Building. 

 In the Arboretum ....... 



Agave Mexicana, by the Greenhouse 

 Cereus Peruvianus, in the Rockery . , 

 Lily Pond, in the Arboretum . . . , 



Chrysanthemum, Major Bonnaffou 

 Map of the Garden 



A Bed of Ornamental Grasses 



Ipomoea paniculata 



Plates 1- 3, Venation of Salix Following 



Facing page 7 



11 

 12 

 15 

 19 



22 



38 

 46 

 60 



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4-13, Sugar Maples, 

 14-16, Maples in Winter .... 

 17-22, Species of Gayophytum, 

 23-26, Species of Boisduvalia . . 



27, Pachira, sp., 



28, Crassula quadriflda, 



29, Cotyledon orbiculata, 



30, Dudaim and Preserving Melons, 



31, Tillandsia utriculata, 



32, Agave parviflora , 



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106 



122 



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166 



[6] 



