893 



Copper nitrate in waste water 754-55 



— rust of hops 283 



— solutions, Injuries due to 761 



Sec also Bordeaux mixture. 



— sprays. Intumescences after use 



on grapes 4-|0, 762 



— sulfate in waste water 754-55 



Copulation 831, 838-39 



Cork disease of cacti 428-30 



— formation on fruits 432-34 



— holes 575-76 



— outgrowths 426-28 



— warts on grape stems 432 



Conins alba 105 



— inascula ■ 105 



— sanguinea 105 



— sibirica 105 



Correa 134 



Corylus 11, 105 



Coryiieum Beijeriiickii, Oud 556, 706 



— giimmiparmn, Oud 708 



Cotton. Effect of fog 458 



— Stem browning 228 



— Unfavorable soils 229 



— Wilt disease 229 



Cow bushes Ij6 



Cramp due to drought 281 



Crataegus 107, 127 



— • Twisting 177 



Crenates 240 



Crenic acid 240 



Creoline 760 



Crippling phenomena, due to frost 508 



Crops, Preceding. Influence 275 



Crotch blight 594 



— canker in fruit and forest trees. 593-94 



Crust formation on soils no 



Cryptogams. Sexual organs 289 



— Starvation condition 287-89 



— Tendency to dioecia 289 



Crystal-azurine Mylius 765 



Cucumbers. Splitting 462 



Cultivation. Alethods. Injurious 



effect 756-71 



Cultivation of moor soil. Changes due 



to 256-58 



Cultures, Feeding, for soil 142 



Cupressus 144 



Ciipressns Brcgeoni 828 



— Lawsoui 828 



— seiiipervirens 828 



Currant, Black. Gnarl formation 382 



Cuticula. Rupture 623-24 



Cuttings. Production of new varieties. 827 



— Utilization of various organs. .825-29 



Cuttings, Leaf 873-78 



Cyathus 54 



Cycadeae 11 



Cydonia lulgaris. Gnarl formation ... .385 



Cyiiibidium Loivi. Intumescence 444 



Cvstisus 105 



Cystospora Icncostoiua 706 



— nibesccns 556, 558 



Damping off of shoots 134 



Dasyscypha (Peziza) JVitlkoiiitiiii 83 



Decay 196, 205 



Decomposition 196, 205 



Decomposition of proteins due to lack 



of light 669 



— of soil 196, 205 



Decorative plants. Drying of the in- 

 florescences 296-97 



Excessive nitrogen fertiliza- 

 tion 393-95 



Dedoublement 376 



Defoliation, Autumnal 527 



— Summer 347, 411, 661 



Defoliation due to frost 347, 527-31 



— due to growth 347 



— due to heat 347, 411, 644-45 



— due to turgor 351 



Deforestration. Bad effects 89 



Degeneration 34-40 



Deiiiatopliora nccatrix 710 



T>endrin 760 



Dendrobium. Specking 261 



Denitrification 269 



Dew, Capacity of sandy soil for becom- 

 ing wet with 149 



Dew fall, Heavy 133 



Diaphysis 374 



Diaphysis of grain heads 466 



— of potatoes 163-64 



Dicotyledons. Resin formation 716-17 



Didyinosphaeria popidina 559 



Pidyiiiosporiuin saliciintin 559 



Die-back of the orange 392 



Digitellus 53 



I>ioecia. Tendency in crytogams ..289 



— Tendency in ferns 289 



Dioscorea 232 



Piospyros Kaki. Nanism 144 



Diptera larvae, producing brown chains. 614 

 Discoloration of Fagns sUz'atica 280 



— of trunks and branches 576-79 



— of woody plants 279-81 



Disease. Definition 9 



— Excitor 27 



— Inheritance 31-34 



— • Limitation of concept 5-7 



— Nature 5-40 



— Predisposition due to lack of 



light 666-70 



— Production 8-10 



— Special cases, due to elevation 



above sea-level 81-86 



Disease, Absolute 7 



— caused by smoke 49, 459 



— Eelty 179 



— Relative 7 



— Shrivelling, of the mulberry 690-92 



Diseases, Constitutional 10 



— Enzymatic 675, 717 



— General 10 



— Leaf -casting 349-5- 



— Local, of plants 10 



— Parasitic 13-19 



Diseases due to location of the soil.. 72, 137 



— due to unfavorable soil condi- 



tions 72-408 



I Djauwey oepas of coffee 230 



