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68. Dead-arm on grape-canes (courtesy of Donald Reddick) , . 256 
69. Rot of grapes caused by the dead-arm fungus (after Gregory ) . 257 
70. Dead-arm ; fruiting bodies of the fungus (courtesy of Donald 
Reddick) . ‘ : 2 5 : : : : F . 268 
71. Peach brown-rot . : , ; . 271 
72. Brown-rot canker, orchard appearance (after Jehile) : : . 272 
73. Brown-rot canker on peach-limbs (courtesy of R. A. Jeble) . . 213 
74. Apothecia of the brown-rot fungus . ‘ ‘ ‘ 3 , . 274 
75. Peach leaf-curl . ; ‘ . : 3 : : : . 279 
76. Peach-yellows, affected fruit . ; : é . 284 
77. Peach-yellows, orchard appearance (atier Dongiass) A ; . 285 
78. Peach-scab : 3 . ‘ 3 ‘ ; : : . 295 
79. Frost-injured peach daminls ‘ : : ‘ z : ; . 299 
80. Frost-injured peach-limb : ; : 3 : : « 299 
81. Black-spot on peach-leaves (after Rolfs) ‘ = : . 808 
82. Coryneum-blight on fruit of peach (after ‘eckson: : 313 
83. Powdery-mildew on peach-leaves and shoots (after V. B. Stewart) 316 
84. Powdery-mildew on peach-fruits . : : ‘ : . 317 
85. Fire-blight of pear ; blossom-blight and sankier 3 - A . 325 
86. Twig-blight of pear . : - 5 é : ‘ : : . 3826 
87. Hold-over canker of pear : : : ; ‘ : - . 326 
88. Hold-over canker . : 5 3 . : : . : . 827 
89. Oozing blight-canker : : F . : : ‘ 3 - 328 
90. Fire-blight on apple-fruit 2 F 5 < x F : . 3829 
91. Fire-blight on pear-fruit . - 7 , - . é : . 3829 
92. Pear-scab . F ‘ . ‘ . ‘i : 3 ‘ . 3833 
‘93. Pear leaf-spot . : : é ‘ : . 3388 
94. Eastern pear-rust (after F. C. Stewart ) : 2 Z ‘ . 343 
95, Pacific Coast rust on pear-leaves (after Jackson) . 4 ; . 3845 
96. Pacific Coast rust on pear-fruit (after Jackson). 2 : . 846 
97. Pacific Coast rust on incense cedar (after Jackson) : : . 3846 
98. Leaf-blight on pear-fruit . P : : 2 : 3 3 . 849 
99. Plum brown-rot - . A , ‘ A . 855 
100. Black-knot; young deeliletaco on pads 5 é ‘ : . 858 
101. Black- nat: one-year-old knot : . 3 x : : . 8659 
102. Black-knot; two-year-old knot : : c , é . . 860 
103. Black-knot; cross-section of a knotted twig . : . . 361 
104. Black-knot ; cross-section of a diseased me . 5 . 2 . 361 
105. Plum leaf-blight : : 7 . . . 864 
106. Black-spot on oianeleaies (after Rolfs) . a : . . . 866 
ILLUSTRATIONS xX1X 
