Blossom development promoted by root 



removal 888 



— formation induced by starvation 



condition 289 



— organs. Changes due to frost. .518-23 

 Blossoms. Apostasis 2,73 



— Doubling 375 



— Dropping 353 



— Faulty development 416-19 



— Sunburn 645-46 



Blossoms, Sterile. Production 289-92 



Boletus 53 



Eordeaux mixture 761, 884 



Injury due to 884 



Preparation , 885 



Boronia 134 



Borosma 134 



Bosses in ducts 570 



Eosuch of tobacco 685 



Botrytis 14. 27, 53 



Botryiis cinerea 14, 23, 394, 433, 706 



Bouillie Celeste 765 



Branch blight in forest trees 5S8-59 



— cuttings 821-24 



— rips, Freezing back of older 553-55 



Branches. Bending 810-15 



— Internal splitting 581-83 



— Twisting 815-16 



"Branderde" 243 



"Brausche" hops 344, 466 



Bread tree, St. John's. Swellings. . .339-40 



Breeding, Task of 665 



Brcmia Lactucae 24 



Brenz-catechin 503 



Brindle of tobacco 685 



Brizopyrum 195 



Bromin 735-36 



Bromus moUis. Nanism 145 



Broussin 863 



Brown-chains due to diptera larvae. .. .614 



Brusone disease of rice 315 



Bud cushions. Injury due to frost 577 



— cuttings in Vitis 828 



— disease 146 



— formation on leaves 378 



— variation 146-47 



Budding 831, 833-38 



Buds. Injury from sunburn 645 



— Injury from too dry air 408-11 



— Pressure 378 



Buds, Accessory 561 



— Dormant. Death 862 



Bulbs, Blossoming. Failure in forcing 



297. 651-52 



"Bunt" of tobacco 685 



Burning of seed 186 



Burning out of grass 285 



Cabbage plants. Behavior in frost. .531-32 

 Cacti. Cork disease 428-30 



— Classiness 453-57, 7'^7 



— Internal intumescences 430, 454 



Caeoma 59 



-Caeonia cerealium 59 



•Caladiums. Tuber cuttings 828 



"Calcipenuria 304 



Calcium. Excess 399-403 



Jaundice due to 310 



with grapes 402-3 



Calcium. Lack. Cause of silver leaf... 286 



Changes due to 301-5 



Cultural experiments 303 



Calcium arsenate, Injury from 761 



— • carbid 769 



— chlorid in waste water 751-52 



— chlorosis 881 



— fertilization with smoke poisoning. 772 



— nitrid 769 



— oxalate 792 



Contents of cells 792 



Production by solution of car- 

 bohydrates 792 



— sulfid 741 



Calda fredda 202 



Calico of tobacco 685 



Calluna 256 



CalUina vulgaris 146, 242 



Callus 790 



— Girdling roll 787-97, 808 



Callus formation in graft symbionts. . .887 



— on stems of Malopc graiidiflora .. .44^ 



Calycanthus 105 



Cambium. Browning due to frost 612 



CauicUna sativa, sown to prevent lodg- 

 ing 665 



Camellias. Yellow foliage due to ex- 

 cess of light 671 



Campanula 146 



Cancer 53 



Candying of seeds 226, 387, 389 



Canker 42, 47, 586-608 



Canker, Closed 587 



— - Crotch, in fruit and forest trees. 593 -94 



— Open 587 



Canker from frost 583-85 



— in apple trees 586-92 



— in blackberries 606-7 



— in cherry trees 594-96 



— in coffee 230 



— in grape vines 596-98, 601 



— in roses 602-6 



— in Spirea 598-600 



— wounds 776 



Cannabis 147 



Cannonading against hail 470 



Caragona 105 



Carbohydrates, Production of calcium 



oxalate in solution of 792 



Carbolic acid 225, 760 



Carbolineum 757 



Carbon-dioxid. Effect 740, 746 



— Effect on germination 109 



— Excess 109, 406-7 



— Lack, Changes due to 316-19 



Carbon-disulfid 269 



Carcinoma 586-608 



Carex 256 



Carex arciiaria L 150 



Caries Fabr 49, 56 



Carnations. Classiness 717 



Carotin 282 



Cassavas. Favorable soil 232 



