892 



Cassia toineiitosa. Intumescence 436 



Castanea 1 1 



Casting of the fruit spurs 338 



Catalase 676 



Cattleya. Specking 261 



Celery. Over-fertilization 392 



Cell membrane. Processes of loosening 

 due to frost 581 



— passages 613 



Celosia crislata 33 



Fasciation 334 



Ceutaurca cyaiiiis 74 



Cephalosporium 240 



Cerasin 699 



Ceratonia Sil'ujua. Outgrowths on 



branches 339 



Ceratoptcris tlialictroides 288 



Cereus flagellifonnis. Cork disease 428 



— nycticalus. Classiness 453 



Chagrinization of the rose stem 434 



Chamaccyfaris Laii'soniaiia i59 



— sphaeroidia, var. .linlalyciisis 828 



— squarrosa 828 



Changelings in grapes 34^ 



Check of plants 9 



Chemico-physical processes. Effect on 



soil absorption 264-68 



Chemotropism 13 



Cherries, Sweet. Sensitiveness 209 



Cherry. Canker 594-96 



— Death 1 54, 555 



— Effect of drought 281 



— Frost boils 572 



— Gummosis 699-707 



— Susceptibility induced by frost . 154, 555 



— Tan disease 213-17 



— Varieties for dry soils 175 



Cherry trees along the Rhine. Death 



due to frost 555-58 



Chestnut, Edible. Black-leg 709-10 



Root disease 219-20 



Chici on Gingko Biloba 386 



Chile saltpeter 223, 311, 767 



Effect as top dressing 390 



Injurious effect 767 



Use with woody plants 391-92 



Sec also Nitrate of soda. 



Chilling. Disturbances due to 513-14 



Cbimnevs, Solid substances given off 



i>y ■■ 737-47 



Chioranthy 342 



Chlorin 724-29 



Chlorin. Lack, Changes due to 306-7 



Chlorophvllan S02 



Chlorosis 308, 881 



— Transmission by grafting 697 



Chlorosis due to calcium 881 



— of grapes 402 



— of tobacco 685 



Chorisis 376 



Chorizema 134 



Circumvallation. Phloem 867 



— Sec also Overgrowth. 



Cladosporium 14, 438, 545 



Cladosporiniii javanicuni. Wakker 227 



— penicillioides 204 



Clasterosporium carpopliiluin Lev. 



.^derh 706 



Clavus 50 



Clay soils. Cracking 189 



— — Disintegration 190 



Clefts due to frost 566-69 



Clefts due to Polyponis siilfureus 568 



Climate, Continental 131-34 



— Marine 13: -34 



Climatic relations 134 



Clivia nobilis. Sunburn 643 



Clostridiioii gclatinosum 2'/2, 273 



— Pasteuriamiiii 270, 273 



Clover. Pleophylly 376 



Clover, Four-leaved 376 



Club-root o'f beets 871 



Coalescence. Natural processes 847-50 



Coating substances. Injuries due to.. 756-65 



Cobalt in waste water 755 



Cobb's disease of sugar cane 696-97 



Coccus caricac. Fab 710 



Cocoa. Fhytophthora decay 462 



— Unfavoral)lc soil 231 



— Wind action 472 



Coffee. Black rust 230 



— Blorokziekte 230 



— Canker 230 



— Djamoer oepas 230 



— Root rot 23 1 



— Swarte roest 230 



— Unfavorable soil 230 



Coffee arabica 230 



— liberica 230 



Coffee plantations. Use of shade trees. 657 



Cold, Icturus from 309 



Colletotrichum 261 



Collitris quadrk'alz'is 828 



Coloration, .\utumnal 127, 500-4 



in trees 280-81 



— Red, due to excess of light 673 



in grain 281-82 



Coloring matter. Red 127 



Colors, Warming up 127 



Commensalism 11 



Common salt. Sec Sodium chlorid. 

 Compositae. Doubling of the blossoms. 375 



Cone disease of conifers 372 



Conifers. Blight of tops 487-89 



— Cone disease 372 



— Differences between lightning and 



frost wounds 489-93 



— Leaf blight from frost 883 



— Rcsirosis • 711-16 



— Ring barking 615 



Conservatories, Sunburn in 643-44 



Coixsitution of soil. Unfavorable. 



Chemical 264-407 



Physical 138-263 



Constriction, Spiral twisting of wood 



fibers due to 817 



Constriction of the axis. Effect 817-21 



Contagium vivum fluidum of the mosiac 



disease 688 



Control plants. Cultivation 744 



Convallaria iiiajalis 136 



Copper, Injuries due to 740, 761 



