HOW CROPS GROW. 



Nobbe & Sicgert, 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 



Nat 900 



Nutrient matters i n plant, Motion of.340 



Nutrition of seedling 318 



** &quot; plant 327 



Oa!, ash-analysis 151, 153, 157, 160 



161, 102, 378 



&quot; prox. &quot; 378 



&quot; &quot; &quot; detailed 3SS 



&quot; crop, weight per acre 387 



&quot; plant, Composition and growth 



of 204, 207, 214, 217 



Oat, proportions of ash in its differ 

 ent parts 141 



Oats, weight per bushel 102 



Offices of organs of plant 220 



Oil in seeds, etc 89, 90, 394 



ik of mustard 114 



&quot; &quot; 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 



&quot; mechanical effects on plant.. 367 



Osmometer 355 



Ovaries 293 



Ovules 293 



Oxai.at.es 136 



Oxalate of ammonia 86 



&quot; &quot; lime ...85, 86 



&quot; &quot; &quot; in walnut 191 



Oxalic acid 85 



Oxide of iron 000 



&quot; k essential to plants 178 



** &quot; &quot; State of, in plant 193 



&quot; manganese in ash 179 



Oxides 37 



of iron, described 127 



&quot; &quot; manganese, described... 128 



Oxygen, Properties of 33 



occurrence in ash 113 



&quot; in Assimilation 326 



* * Germination 314 



Palmitic acid 93 



Palinitin 9ii. 92 



Parenchyma 232 



Papilionaceous plants 299 



Pappus :501 



Pea, ash-analysis . .152, ir&amp;gt;:], :!71 



&quot; prox. &quot; 387 



&quot; ultimate analysis 45 



P -ariash 130 



Pecticacid 82,84 



Pectin M 



Pectoaic aekl 82 



Pectose 81 



Pedigree wheat 144 



Permeability of cells 232 



Peroxide of iron 128 



Petals 294 



Phaenogams 29 . 



Phantom bouquets 57 



Phloridzin 77 



Phosphate of lime 134 



&quot; soda 134 



&quot; potash i:i4 



Phosphates .43, 44, 117, 133 



&quot; function in plants 197 



&quot; relation to albuminoids. 202 



Phosphoric acid 38,44, 117 



&quot; in oat-crop 218 



Phosphorite 135 



Phosphorized oils 45, 92 



Phosphorus 43,117 



in albuminoids 102 



&quot; fats of various plants. 92 



Physics J 



Physiology 27 



Finite. -!8 



Pistils . .2:13 



Pith 2C.9 



&quot; rays 276 



Plastic Elements of Nutrition 104 



Plaster of Paris 133 



Plumule 3-13 



Pod 301 



Pollarding 2fi I 



Pollen 292 



Polygonum convolvulus, Fertilization 



of, fig 295 



Pome . . . 301 



Porosity of vegetable tissues 34(5 



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



&quot; prox. analyses : &amp;gt;T 



&quot; &quot; detailed :W) 



4 ultimate &quot; 45 



leaf, Pores of, fig -2-&amp;gt;&amp;gt; 



Btem, Section of , fig 2^1 



sugar 74 



tuber, Structure and Section 



of, fig 274,277 



Potato tuber, why mealy 221; 



Potash 124, 130 



&quot; lye 124 



&quot; in strand and marine plants. .17fc 



Potassium 124 



Chloride of. 135 



Prosenchyma -j:;2 



Protagon 93 



Protoplasm . . 224 



Protein bodies 94, 103 



Protoxide of iron 127 



&quot; manganese 128 



Proximate Composition of Crops... 3s.&quot; ; 



Elements 155 



Prussic Acid 114 



Puff-balls 2.-J2 



Pulp of fruits 2-. J 3 



aek Lrra^s 



(^uantitaiive relations among ingre 

 dients of plant 201 



Quart/ 120 



Quercitannic acid L1Q 



