176 



INDEX 



Proteins, 2, 12, 16, 118 



crystalline, 125, 127, 134 



of cereals, 130 



of fat-containing seeds, 134 



of Leguminosae, 133 



tests for, 122 



Proteoses, 118, 128 

 Protocatechuic acid, 89, 90, 110 

 Protoplasm, 4, 8 

 Prulaurasin, 144, 146 

 Prunase, 145 



Prunasin, 144, 145 

 Prunus, 97, 148, 144, 145 



Aniygdalus, 61, 80, 126, 145 



Armeitiaca, 126 



Cerasns, 45, 61, 80, 102 



domestica, 61, 80, 126, 145 



Laurocerasus, 145, 146 



Padus, 45, 61 



Persica, 80, 126, 145 



Prussic acid, 24, 143, 144, 145 

 Puiiica Granatum, 162 

 Pimicaceae, 162 

 Pumpkin, 81, 166 



Purine, 159, 164 



bases, 127, 154, 164 



Purpui'ogallin, 110 

 Putrescine, 155 

 Pyridine, 159 

 Pyrimidine, 159, 164 

 Pyrogallol, 68, 109, 110 

 Pi/rola, 151 



Pyrrole, 159, 161 

 Pyrrolidine, 155, 161 

 Pyrus, 143 

 Ancaparia, 145, 155 



communis, 151 



Mains, 145 



Pyruvic acid, 86 



Quercetin, 96, 105, 106, 144 

 Quercitrin, 144 

 Quercus, 91, 96, 144 



Robitr, 93 



Quinine, 158, 162 

 Quinoline, 159, 162 



Radish, 127 



Raffinose, 41 



Eanunculaceae, 145, 150, 157, 164 



Ranunculus acris,, 108 



aquatilis, 136 



Rape, 80, 127 

 Raphanus sativum, 127 

 Raspberry, 65 

 Red Seaweeds, 49 

 Reductase, 20, 21, 23 

 Reed Poa, 146 

 Reeves, 141 

 Reseda hiteola, 94, 96 

 Reserve celluloses, 65 



materials, 9, 55, 58, 71, 80, 118 



Resorcinol, 68, 87 



Respiration, 5, 71, 114 



Respiration pigments, 114 

 Reversible reactions, 18 

 Reynolds Green, 84, 86 

 Rhamnaceae, 145, 150 

 Rhamnose, 96, 144 

 Rhamnus, 96 



Frangula, 146 



Rhizophora, 91 

 Rbodophyeeae, 13, 49 

 Rhubarb, 63 



Rhus, 91, 97 



Coriaria, 92 



Cotinus, 93 



vernicifera, 113 



Ribes Grossularin, 146 



nigrum, 146 



rubrum, 146 



sangnineum, 93 



Eibos'e, 43 



Ribwort Plantain, 95 



Rice, 127 



Ricin, 124, 135 

 Ricinoleic acid, 80 

 Rici7ius, 81, 83, 85, 136 



communis, 80, 84, 124, 125, 127, 



135, 139 



Robertson, 71, 76, 78 

 Robinia, 144 

 Robinin, 144 

 Rosa, 144 



gallica, 102, 104 



Rosaceae, 61, 80. 144, 145, 150 

 Rose, 93, 99 



Rosemary, 2 



Rubiaceae, 60, 81, 113, 145, 157, 162 



Rumex obtusifolius, 95 



Ruscxis, 59 



Russula nigricans, 113 



Rata, 144 



Rutaceae, 145, 150, 164 



Rutin, 144 



Rye, 124, 127, 132 



Saccharomyces, 20 

 St Ignatius' Bean, 163 

 Salicin, 48, 88, 143, 148, 152 

 Salicylic acid, 89 



— '- alcohol, 48, 88, 148, 152 



aldehyde, 88 



Saligenin, 88, 143, 148, 152 

 Salix, 88, 143, 152 

 Salkowski, 53, 78 

 Salvia pratensis, 156 

 Sambucus, 137, 144 



nigra, 68, 95, 146 



Sambunigrin, 144, 146 



Saponaria, 150 



Saponitication, 82 



Saponins, 11, 150 



Sawdust, 45, 54 



Sawyer, 42, 55, 70, 71, 72, 76, 77 



Saxifragaceae, 145, 150 



Scarlet Geranium, 93, 102, 103, 138 



Runner, 138, 139 



