INDEX. 



Quercite 78 



Radicle 303 



Red clover hay, Ultimate analysis of. 45 



41 beet, Pigment of 367 



" pine. Pith rays of 276 



" snow 2-23 



Relations of Cellulose and Pectose 



Groups 84 



Relations of Fats to Amyloids 94 



" " Veg. Acids to Amy- 

 loids 89 



Reproductive Organs.. 222, 21)1 



Rice, ash-analysis 151, 152, 379 



' prox. " 387 



" " . detailed 389 



" roots of ..252 



Rind 275 



Ringing of stems 341 



Rock Crystal 120 



Root-action, imitated 361 



" in winter 333 



" Osmose in 360 



cap 2S5 



crops, ash-analyses 155, 377 



" prox. ' 387,389 



cuttings 237 



distinguished from stem 236 



excretions 258 



hairs 243 



office in Nutrition 327 



power of vine 248 



beat of absorptive force in. . . .249 



stock 265 



Rootlets 238 



Roots, Structure of. 234 



" Bursting of 369 



" contact with soil 245 



" going down for water 254 



" Search of food l>y 241 



" Quantity of 242 



Rubidium 125 



4i action on oat 196 



Runners 264 



Rye, ash-analysis 150, 153, 379 



" prox. " 387,388 



Saccharose 72 



Amount of, in plants 73 



Sago 64 



Salueratus 131 



Salicin 77 



Salicornia 117, 177 



Salm-Ilorstmar, Exp's in artificial 



soils 166 



Sal-soda / 131 



Salsola 177, 183 



Salts, Definition of 86 



" in ash of plants 129 



" Properties of. 87 



Saltwort 177 



Samphire 177 



Sap 330 



" Acid and alkaline 366 



" ascending .....340 



descending 341 



Composition of 337 



of sunflower , 338 



Spring llow of 334 



wood.... ...282 



Saponification 93 



Saussure, exp. on mint 187 



Saxifraga crustata 192 



Scotch fir, Wood-cells of, fig 279 



Scouring rush . . 184 



Screw pine, Root cap of, fig 2:36 



Sea-weeds, Potash in 198 



Seed 302 



" vessel HOO 



Seeds, constancy of composition. ..145 



Selecting power of plant 329, 362' 



Sepals.... 292 



Series 298 



Sesqui oxide of iron 128 



" mauganese 128 



Sieve-cells 280 



" in pith 343,345 



Silex 120 



Silica 120 



" does not prevent lodging of 



grain 198 



" Function of, in plant 197 



" in ash 183 



" "oat 198 



" " textile materials 185 



" 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 276 



Skeletonized plants 57 



Soaps 93 



Soda 125 



" can it replace potash ? 176 



' essential to ag. plants? 172 



" in strand and marine plants... 177 

 " Variations of, in lield-crops . . . 173 



Soda-ash 131 



Sodium 124 



Chloride of ..136 



Sorghum sugar 73 



Soil, Offices of 329 



Soil-roots 252 



Solution of starch in Germination.. 322 



" . for water-culture 168 



Soluble silica 121 



" starch 322 



Species 296 



Spirits of salt 119 



Spongioles 235 



Stamens 21-2 



Starch, amount in plants 66 



estimation 66 



in wood 337 



Properties of. 63 



sugar 74 



Test for 64 



unorganized T 64 



Stearic acid 93 



Stearin 90, 92 



Stem, Endogenous 269 



. " . Exogenous 273 



" Structure of. 267 



Stems 261 



Stigma 293 



