INDEX. 



Quercite 78 



Radicle 3U3 



Red clover hay, Ultimate analysis uf . 45 



&quot; Ivet, Pigment of 367 



&quot; pine, Pith rays of 276 



&quot; snow 223 



Relations of Cellulose and Pec ,ose 



Groups 84 



Relations of Fats to Amyloids 94 



&quot; &quot; Veg. Acids to Amy 

 loids 89 



Reproductive Organs 223, 291 



liice, ash-analysis 151, 152, 379 



&quot; prox. &quot; 387 



&quot; &quot; &quot; detailed aS9 



&quot; roots of 25-2 



Rind 275 



Ringing of stems 341 



Rock Crystal 120 



Root-action, imitated 3(51 



&quot; &quot; in winter 333 



&quot; &quot; Osmose in 300 



&quot; cap 2S5 



&quot; crops, ash-analyses 155, 377 



&quot; prox. &quot; 367,389 



&quot; cuttings 237 



distinguished from stem 236 



* excretions 38 



&quot; hairs 243 



&quot; office in Nutrition 327 



44 power of vine. 248 



Seat of absorptive force in 249 



&quot; stock 265 



Rootlets 238 



Roots, Structure of. 234 



&quot; Bursting of 369 



1 contact with soil 245 



&quot; going down for water 254 



&quot; Search of food by 241 



&quot; Quantity of 242 



Rubidium 125 



41 action on oat 196 



Runners 264 



Rye. ash-analysis 150, 153, 379 



&quot; prox. &quot; 387,388 



Saccharose 72 



&quot; Amount of, in plants 73 



Sago 64 



Salueratus 131 



Salicin 77 



Salicornia 117, 177 



Salm-Horstmar, Exp s in artificial 



soils 166 



Sal-soda 131 



Salsola 177, 183 



Salts, Definition of 86 



&quot; in ash of plants 129 



&quot; Properties of. 87 



Saltwort 177 



Samphire 177 



Sap 330 



&quot; Acid and alkaline.. ..366 



&quot; ascending 310 



&quot;descending :m 



* Composition of 337 



** of sunflower 338 



M Spring flow of 334 



** wood.... ...282 



Saponificaiion ,W 



Saussure, exp. 01 mint 137 



Saxifraga crustat j, ..192 



Scotch fir, Wood-cells of, fig 279 



Scouring rush 184 



Screw pine, Root cap of, fig 236 



Sea- weeds, Potash in 198 



Seed 80:1 



&quot; vessel MOO 



Seeds, constancy of composition. ..145 



Selecting power of plant 32(1, 362 



Sepals 292 



Series .298 



Sesquioxidc of iron 128 



&quot; &quot;manganese 12$ 



Sieve-cells 280 



&quot; in pith 343,345 



Silex 120 



Silica 120 



&quot; does not prevent lodging of 



grain 198 



&quot; Function of, in plant 197 



&quot; in ash 183 



&quot; &quot;oat 198 



&quot; &quot; textile materials 185 



&quot; unessential to plants 183 



Silicates 120 



Silicate of potash 120 



Silicic acid 120 



Silicon 119 



Silk of maize 294 



Silver Fir. Roots of 245 



Silver-grain 27 



Skeletonized plants 57 



Soaps 93 



Soda 125 



&quot; can it replace potash ? 176 



&quot; essential to ag. plants? 172 



&quot; in strand and marine plants.. .177 



&quot; Variations of, in field-crops... 173 



Soda-ash... ...131 



Sodium 124 



Chloride of 136 



Sorghum sugar 73 



Soil, Ofiices of 329 



Soil-roots 252 



Solution of starch in Germination.. 322 



for water-culture 168 



Soluble silica 121 



&quot; starch 322 



Species 296 



Spirits of salt 119 



Spongiolea 235 



Stamens 292 



Starch, amount in plants 66 



estimation , 66 



in wood 337 



Properties of. 63 



sugar 74 



Testfjr 64 



unorgmized 64 



Stearic ucid 93 



Stearin 90, 92 



Stem, Endogenous 269 



&quot; Exogenous 273 



&quot; Structure of. 267 



Stems 261 



Stigma 296 



