XVI 



HOW CEOPS GEOW. 



Stomata 285 



Stool 265 



Straw, ash-analysee 152, 153, 167 



" pvox. " 386 



Structure of plant 220 



Suckers 266 



Sugar-beet, ash-analyses — 154, 156, 158 



" " detailed analyses 389 



Sugar, estimation of. 76 



" in cereals 77 



" " sap 338 



" of mill!: 78 



" Trommer's test for 75 



Sulphate of lime 133 



" " potash 132 



" " soda 133 



Sulphates 43, 117, 132 



" Punctiouof. 196 



" Inclover 194 



" reduced by plant 190 



Sulphides 43 



Sulphide of potassium 115 



Sulphites 115 



Sulphocyanide of allyle 114 



Sulphur 42, 114 



'* in oats 194 



Sulphureted hydrogen 43, 115 



Sulphureta 42 



Sulphuric acid 42, 116 



" " in oat 219 



Sulphurous acid 42, 115 



Sulphydric acid 43, 115 



Supercarbonate of soda 131 



Superphosphate of lime 135 



Symbols, Chemical 47 



Tabashir 183 



Tannin 77, 110 



Tao-foo 101 



Tapioca 64 



Tap-roots 237 



Tartaric acid 88, 89 



Tartrates 136 



Tassels of maize 2fl4 



Teakj Phosphate of lime in 191 



Tension in plant 372 



Tests for albiuninoids 96 



Textile plants, Ash of 378 



Theobromin Ill 



ThZasm^ var. calaminaris 196 



Tillering 265 



Titanic acid 123, 195 



Titanium 123 



Tobacco, ash-analyses 378 



" Silica in 185 



Touch-paper 136 



Tradescantia zebrina. Air-roots of. .257 

 Transformations of cell-contents. .,229 

 Translocation of substances in 



plant _, 218 



Transplanting ; , 255 



Ti'icalcic phosphate 134, 135 



Tubers 266 



Turnip, ash-analyses 155, 156, 877 



" prox. " 387 



Tuscan hat-wheat 144 



Ultimate Composition of Ycgetable 



Matters 45 



Uuibelliferous plants 2U7 



Unripe seed. Plants from 300 



Variation of ash-ingredients, limit- 

 ed 147,148 



Varieties 291 



'* Causes of 144 



Vascular bundle of maize stajk 270 



Vascnlar-Tissne 233 



Vegetable acids 85 



" albumin 97 



" casein 100 



" cell 222 



" fibrin 99 



" ivory 226 



" mucilage 71 



" parchment 58 



tissue 225,2.32 



Vegetative organs 223, 2.34 



Veins of the leaf 285 



Vine, Bleeding of 332 



Viola calarrdnaris 196 



Vitality of roots 260 



'^ "seeds 305 



Vital Principle 221 



WaterjComposition of. 53 



" Estimation of 55 



'' Formation of 41 



" imbibed by roots 248 



" " " seeds 360 



" in air-dry plants 55 



" " fresh plants 54 



" of plant affected by soil 369 



** " vegetation, Free 55 



" " " Hygroscopic. 55 



Water-bath 54 



Water-culture 1(37 



Water-glass 120 



Water Eoots 252, 253 



Wax 89, 90 



'* in oat-plant 211 



Well-water, used in water-culture, 



Composition of 171 



Wheat, ash-analyses 150, 153, 379 



" prox. " 387 



" " detailed 388 



*' ultimate analyses 45 



" gum 99 



" straw, proximate analysis. . . 386 

 *' " ultimate " ... 45 



" roots of. 340, 247 



White of egg 96 



Wiegmann <Ss PolstrofF, Exp. with 



cress 146 



Wilting^, 334 



Wolff, Exp. with buckwheat 164 



Wood 57 



" Amount of water in 838 



" Ash of 379 



" cells 271 



" " ofconifers 279 



'' paper 57 



Woody-fiber OO 



*' stems 282 



" tissue 2.S:! 



Yeast 323, 2:31 



Zamia spiralis, Eoot of. 252 



Zanthophyll nc 



Zinc 1 ju 131 



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