3o8 



DISEASK IX I'LANTS. 



Tea/cl, 252. 



Tek-ulospore, 1S9, 191. 



Temperature, 99, 105. 



Tendencies lo ill -health, 91. 



Tendrils, 125. 



Teratology, 246, 253, 254, 257. 



Tclraneura, 218. 



Tetranychtcs, 187, 192. 



Thawing, 183. 



Tliclcphora, 206. 



Therapeutics, 85, 89, 159. 



Thermotropism, 126. 



The silt in, 112. 



Thick-skinned organs, i58, 171. 



Thinning, 96, 105. 



Thistle, 247. 



Thrips, 88, 191, 208. 



Thyloses, 125. 



Tilt a, 214. 



Timber diseases, 119, 120. 



TimiriazetT, 21. 



Tinea, 206. 



Tissue diseases, 119. 



Tobacco, 209. 



Tobacco powder, 161. 



Tomato, 171, 219, 230. 



Top-dry trees, 244. 



Topical remedies, 161. 



Tornicus, 205. ~^ 



Torsions, 246, 252. 



Tortrix, 254. 



Toxic agents, 130. 



Transformation of energy, 25, 



28. 

 Transformation of organs, 254, 



255- 



Transmission of acquired char- 

 acters, 264, 283, 290. 



Transplanting, 96. 



Transpiration, 181, 228. 

 Trees, 109. 

 Trichosphaerici , 135. 

 Tritictiin, 76. 

 Tumescence, 227, 228. 

 Tunnels, 206. 

 Turgescence, 47, 228, 230. 

 Turnip, 126, 162, 230. 

 Twitch, 113. 

 Tylcnchiis, 238, 248. 



Ulcer, 231. 

 Unger, 85. 



Unsuitable soils, loi. 

 Upheaval of seedUngs, 179, 183. 

 Uredineae, 114, 134, 136, 145, 



169, 188, 189. 

 Uredo, 88, 188, 19 1. 

 Uredospores, 191. 

 Uromyces, 1 16, 188, 19 1, 266. 

 Urocystis, 220. 

 Ustilagineae, 145, 190, 217, 



248. 

 Ustilago, 116, 117, 175, 190, 



219, 255. 



Vacciniiitn, 128, 288. 



Variability, 174. 



Variation, 67, 72, 91, 92, 168, 

 174, 176, 246, 262, 263, 264, 

 271, 282, 2S6, 288, 2S9. 



Variegation, 179, 182, 183, 192. 



\'arieties, 78, 247. 



Varieties of soil, 56. 



Vaucheria, 139, 140. 



Vegetable acids, 48. 



X'ertebrata, 108. 



Verticillitun, 145, 236. 



Viburnum, 214. 



