INDEX. 



173 



Ulmus pendulay 43. 



? Ulmus pinguis, 53. 



f Ulmus pubescens f, 53. 



Ulmus pumila, 51. 



Ulmus racemosa, 47. 



Ulmus rubra, 53. 



Ulmus saliva, 40. 



Ulmus scabra, 40, 41. 



Ulmus scabra, var. laciniata, 40. 



Ulmus suberosa, 40. 



Ulmus tetrandray 40. 



f Ulmus tomentosa, 43. 



Ulmus virgata, 41. 



Ulmus vulgaris, 40. 



Ulmus Wallichiana, 41. 



Umbellularia, 19. 



Umbellularia Californica, 21. 

 Umbellularia, fungal diseases of, 20. 

 Umbellularia, insect enemies of, 20. 

 Umbellularia, medical properties of, 20. 

 Umbellularia, oil of, 20, 

 Umbellulic acid, 20. 

 Uncinula genicnlata, 77. 

 Uncinula intermedia, 42. 



42 



Uncinula polychseta, 64. 

 Uredo Citri, 87. 

 Urostigma, 92. 

 Urostigma, 91. 

 Urostigma affine^ 94. 

 Urostigma populneum, 97. 

 Urostigma religiosum, 94. 



Valsa Maclurse, 87. 

 Varinga, 91. 

 Vedalia cardinalis, 20. 

 Vinatico, 2. 

 Visiania, 91. 



Wahoo, 51. 

 Wallia, 113. 

 Wallia cinerea, 118. 

 Wallia fraxinifolia, 121. 

 Wallia nigra, 121. 

 Wallia nigra macrocarpa, 121 

 Wallia nigra microcarpa, 121. 

 Wallia pyr if or mis, 115. 



Walnut, 125, 129. 



Walnut, Black, 121. 



Walnut Case-bearer, the, 116. 



Walnut, Japanese, 116. 



Walnuts, English, 115. 



Walnuts, hybrid, 114. 



Water Beech, 103. 



Water Elm, 43, 61. 



Water Hickory, 149. 



Watson, Sereno, 108. 



White Elm, 43, 48. 



Wliite Heart Hickory, 163. 



White Mulberry, 76. 



White-spotted Tussock Moth, 41 



White Wood, 25. 



Winged Elm, 51. 



Wych Elm, 40. 



Xylosma nitidum, 27. 



Zeuzera pyrina, 41. 

 Zizyphus commutata, 64. 

 Zizyphus iguanea, 64. 



