XIV 



HOW CKOPS GROW. 



Nobbo & Siegcrt, Exp. on buck- 

 wheat 188 



Nodes 262 



Nomenclature, Botanical 299 



Non-Metals 112 



Norton's analyses of oat-plant.. 141, 204 



Notation, Chemical 49 



Nucleus 422, 278 



Nucleolus 224 



Nut SOO 



Nutrient matters in plant, Motion of.34() 



Nutrition of seedling 318 



" " plant 327 



Oat, ash-analysis 151, 153, 157, 160 



161, 162, 378 



" prox. " 378 



" " detailed 388 



'' crop, weight per acre 387 



" plant, Composition and growth 



of 204, 207, 214, 217 



Oat. proportions of ash in its differ- 

 ent parts 141 



Oats, weight per bushel 162 



Offices of organs of plant 220 



Oil in seeds, etc 89, 90, 394 



" of mustard 114 



" " vitriol ...42, 116 



Oils, Properties of. 89 



Old seeds, Plants from 307 



Oleic acid 93 



Olein 90, 92 



Orders 298 



Organic matter 29 



Organism 221 



Organs 221 



Osmose 354 



" mechanical effects on plant.. 367 



Osmometer 355 



Ovaries 293 



Ovules 293 



Oxalates . 136 



Oxalate of ammonia 86 



" " lime 85, 86 



" " in walnut 191 



Oxalic acid. 85 



Oxide of iron 000 



*' " " essential to plants 178 



'* " " State of, in plant 193 



" '" manganese in ash 179 



Oxides... 37 



" of iron, described 127 



" " manganese, described... 128 



Oxygen, Properties of 33 



occurrence in ash 113 



" in Assimilation 326 



" " Germination 314 



Palmitic acid 93 



Palmitin ...90,92 



Parenchyma 232 



Papilionaceous plants 299 



Pappus 301 



Pea, ash-analysis 152, 153, :;79 



" prox. " 3S7 



" ultimate analysis 45 



Pearlash 130 



Pi-die acid 82, 84 



Pectin 81 



Peetosic acid... .. 82 



Pectose 81 



Pedigree wheat '. 144 



Permeability of cells 232 



Peroxide of iron 128 



Petals i><)-> 



Phtenogams 299 



Phantom bouquets 57 



Phloridzin .. 77 



Phosphate of lime 134 



" soda 13i 



" potash 1:34 



Phosphates. 43, 44, 117, 133 



" function in plants 197 



" relation to albuminoids. 202 



Phosphoric acid 38, 44, 117 



" in oat-crop 218 



Phosphorite. 1% 



Phosphurized oils 45, 92 



Phosphorus 43,117 



in albuminoids 102 



u fats of various plants. 92 



Physics 26 



Physiology 27 



Finite 78 



Pistils 293 



Pith 269 



" rays 276 



Plastic Elements of Nutrition 104 



Plaster of Paris 133 



Plumule 303 



Pod 301 



Pollarding 264 



Pollen 292 



Polygonum convolvulus, Fertilization 



of, fig 295 



Pome 301 



Porosity of vegetable tissues 346 



Potato, ash-analyses... 154, 162, 165, 377 



" prox. analyses 387 



detailed 389 



" ultimate" 45 



leaf, Pores of, fi 286 



stem, Section of, fig . 281 



" sugar ; 74 



" tuber. Structure and Section 



of, fig 274,277 



Potato tuber, why mealy 226 



Potash 124, 130 



" lye 124 



" in strand and marine plants.. 178 



Potassium 124 



" Chloride of. 135 



Prosenchyma -,>32 



Protagon t 93 



Protoplasm 224 



Protein bodies 94, 103 



Protoxide of iron 1 27 



u " manganese 128 



Proximate Composition of Crops... 3S5 



Elements 153 



Prussic Acid 114 



Pun-balls 232 



Pulp of fruits 223 



Quack grass 266 



Quantitative relations among ingre- 

 dients of plant ..201 



Quart/ 120 



Quercitaunic acid ..110 



